early console in setup code
early console in extract_kernel
input_data: 0x00000000041a62b6
input_len: 0x000000000080d51f
output: 0x0000000001000000
output_len: 0x0000000002829128
kernel_total_size: 0x00000000039e6000
trampoline_32bit: 0x000000000009d000
booted via startup_32()
Physical KASLR using RDTSC...
Virtual KASLR using RDTSC...

Decompressing Linux... Parsing ELF... Performing relocations... done.
Booting the kernel.
[    0.000000] Linux version 4.17.0-rc4-01248-g3416099 (kbuild@lkp-hsx02) (gcc version 6.4.0 20171026 (Debian 6.4.0-9)) #1 SMP Sat May 19 22:57:55 CST 2018
[    0.000000] Command line: ip=::::vm-lkp-nex04-openwrt-ia32-19::dhcp root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-nex04-openwrt-ia32-19/boot-1-openwrt-i386-2016-03-16.cgz-3416099d53d9593ab1d374180e9cd2a71fa2f4d5-20180519-65944-14mjjk6-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-s1-05191730 branch=linux-devel/devel-hourly-2018051913 commit=3416099d53d9593ab1d374180e9cd2a71fa2f4d5 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/vmlinuz-4.17.0-rc4-01248-g3416099 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-lkp-nex04-openwrt-ia32/openwrt-i386-2016-03-16.cgz/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/0 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 c
[    0.000000] x86/fpu: x87 FPU will use FXSAVE
[    0.000000] e820: BIOS-provided physical RAM map:
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[    0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001ffdffff] usable
[    0.000000] BIOS-e820: [mem 0x000000001ffe0000-0x000000001fffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    0.000000] debug: ignoring loglevel setting.
[    0.000000] bootconsole [earlyser0] enabled
[    0.000000] NX (Execute Disable) protection: active
[    0.000000] SMBIOS 2.8 present.
[    0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    0.000000] Hypervisor detected: KVM
[    0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.000000] e820: last_pfn = 0x1ffe0 max_arch_pfn = 0x400000000
[    0.000000] x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WB  WT  UC- UC  
Memory KASLR using RDTSC...
[    0.000000] Scan for SMP in [mem 0x00000000-0x000003ff]
[    0.000000] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[    0.000000] Scan for SMP in [mem 0x000f0000-0x000fffff]
[    0.000000] found SMP MP-table at [mem 0x000f6a80-0x000f6a8f] mapped at [        (ptrval)]
[    0.000000]   mpc: f6a90-f6b74
[    0.000000] Base memory trampoline at [        (ptrval)] 99000 size 24576
[    0.000000] BRK [0x151bb000, 0x151bbfff] PGTABLE
[    0.000000] BRK [0x151bc000, 0x151bcfff] PGTABLE
[    0.000000] BRK [0x151bd000, 0x151bdfff] PGTABLE
[    0.000000] BRK [0x151be000, 0x151befff] PGTABLE
[    0.000000] BRK [0x151bf000, 0x151bffff] PGTABLE
[    0.000000] RAMDISK: [mem 0x1fcbd000-0x1ffdffff]
[    0.000000] ACPI: Early table checksum verification disabled
[    0.000000] ACPI: RSDP 0x00000000000F6870 000014 (v00 BOCHS )
[    0.000000] ACPI: RSDT 0x000000001FFE1628 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACP 0x000000001FFE147C 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.000000] ACPI: DSDT 0x000000001FFE0040 00143C (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.000000] ACPI: FACS 0x000000001FFE0000 000040
[    0.000000] ACPI: APIC 0x000000001FFE1570 000080 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.000000] ACPI: HPET 0x000000001FFE15F0 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] mapped APIC to ffffffffff5fd000 (        fee00000)
[    0.000000] No NUMA configuration found
[    0.000000] Faking a node at [mem 0x0000000000000000-0x000000001ffdffff]
[    0.000000] NODE_DATA(0) allocated [mem 0x1fca3000-0x1fcbcfff]
[    0.000000] kvm-clock: cpu 0, msr 0:1fc22001, primary cpu clock
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: using sched offset of 2071662128 cycles
[    0.000000] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.000000] Zone ranges:
[    0.000000]   DMA32    [mem 0x0000000000001000-0x000000001ffdffff]
[    0.000000]   Normal   empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.000000]   node   0: [mem 0x0000000000100000-0x000000001ffdffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000001ffdffff]
[    0.000000] On node 0 totalpages: 130942
[    0.000000]   DMA32 zone: 1792 pages used for memmap
[    0.000000]   DMA32 zone: 21 pages reserved
[    0.000000]   DMA32 zone: 130942 pages, LIFO batch:31
[    0.000000] Reserved but unavailable: 98 pages
[    0.000000] ACPI: PM-Timer IO Port: 0x608
[    0.000000] ACPI: Local APIC address 0xfee00000
[    0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
[    0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.000000] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
[    0.000000] ACPI: IRQ0 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
[    0.000000] ACPI: IRQ5 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
[    0.000000] ACPI: IRQ9 used by override.
[    0.000000] ACPI: IRQ10 used by override.
[    0.000000] ACPI: IRQ11 used by override.
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
[    0.000000] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
[    0.000000] Using ACPI (MADT) for SMP configuration information
[    0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    0.000000] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[    0.000000] mapped IOAPIC to ffffffffff5fc000 (fec00000)
[    0.000000] e820: [mem 0x20000000-0xfeffbfff] available for PCI devices
[    0.000000] Booting paravirtualized kernel on KVM
[    0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.000000] random: get_random_bytes called from start_kernel+0xac/0x597 with crng_init=0
[    0.000000] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:1
[    0.000000] percpu: Embedded 42 pages/cpu @        (ptrval) s143360 r0 d28672 u1048576
[    0.000000] pcpu-alloc: s143360 r0 d28672 u1048576 alloc=1*2097152
[    0.000000] pcpu-alloc: [0] 0 1 
[    0.000000] KVM setup async PF for cpu 0
[    0.000000] kvm-stealtime: cpu 0, msr 1fa22040
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 129129
[    0.000000] Policy zone: DMA32
[    0.000000] Kernel command line: ip=::::vm-lkp-nex04-openwrt-ia32-19::dhcp root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-lkp-nex04-openwrt-ia32-19/boot-1-openwrt-i386-2016-03-16.cgz-3416099d53d9593ab1d374180e9cd2a71fa2f4d5-20180519-65944-14mjjk6-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-s1-05191730 branch=linux-devel/devel-hourly-2018051913 commit=3416099d53d9593ab1d374180e9cd2a71fa2f4d5 BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/vmlinuz-4.17.0-rc4-01248-g3416099 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-lkp-nex04-openwrt-ia32/openwrt-i386-2016-03-16.cgz/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/0 LKP_SERVER=inn debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,1
[    0.000000] sysrq: sysrq always enabled.
[    0.000000] Memory: 452084K/523768K available (16396K kernel code, 3866K rwdata, 5844K rodata, 2804K init, 23536K bss, 71684K reserved, 0K cma-reserved)
[    0.000000] ftrace: allocating 49847 entries in 195 pages
[    0.000000] 
[    0.000000] **********************************************************
[    0.000000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.000000] **                                                      **
[    0.000000] ** trace_printk() being used. Allocating extra memory.  **
[    0.000000] **                                                      **
[    0.000000] ** This means that this is a DEBUG kernel and it is     **
[    0.000000] ** unsafe for production use.                           **
[    0.000000] **                                                      **
[    0.000000] ** If you see this message and you are not debugging    **
[    0.000000] ** the kernel, report this immediately to your vendor!  **
[    0.000000] **                                                      **
[    0.000000] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.000000] **********************************************************
[    0.010000] Running RCU self tests
[    0.010000] Hierarchical RCU implementation.
[    0.010000] 	RCU lockdep checking is enabled.
[    0.010000] 	RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=2.
[    0.010000] 	RCU debug extended QS entry/exit.
[    0.010000] 	RCU CPU stall warnings timeout set to 100 (rcu_cpu_stall_timeout).
[    0.010000] 	Tasks RCU enabled.
[    0.010000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    0.010000] NR_IRQS: 4352, nr_irqs: 56, preallocated irqs: 16
[    0.010000] console [ttyS0] enabled
[    0.010000] console [ttyS0] enabled
[    0.010000] bootconsole [earlyser0] disabled
[    0.010000] bootconsole [earlyser0] disabled
[    0.010000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.010000] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.010000] ... MAX_LOCK_DEPTH:          48
[    0.010000] ... MAX_LOCKDEP_KEYS:        8191
[    0.010000] ... CLASSHASH_SIZE:          4096
[    0.010000] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.010000] ... MAX_LOCKDEP_CHAINS:      65536
[    0.010000] ... CHAINHASH_SIZE:          32768
[    0.010000]  memory used by lock dependency info: 7391 kB
[    0.010000]  per task-struct memory footprint: 1920 bytes
[    0.010000] ODEBUG: selftest passed
[    0.010000] ACPI: Core revision 20180313
[    0.010000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns
[    0.010000] hpet clockevent registered
[    0.010042] APIC: Switch to symmetric I/O mode setup
[    0.011342] x2apic enabled
[    0.012292] Switched APIC routing to physical x2apic.
[    0.013328] enabled ExtINT on CPU#0
[    0.015168] ENABLING IO-APIC IRQs
[    0.015794] init IO_APIC IRQs
[    0.016371]  apic 0 pin 0 not connected
[    0.017139] IOAPIC[0]: Set routing entry (0-1 -> 0xef -> IRQ 1 Mode:0 Active:0 Dest:0)
[    0.018598] IOAPIC[0]: Set routing entry (0-2 -> 0x30 -> IRQ 0 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-3 -> 0xef -> IRQ 3 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-4 -> 0xef -> IRQ 4 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-5 -> 0xef -> IRQ 5 Mode:1 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-6 -> 0xef -> IRQ 6 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-7 -> 0xef -> IRQ 7 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-8 -> 0xef -> IRQ 8 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-9 -> 0xef -> IRQ 9 Mode:1 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-10 -> 0xef -> IRQ 10 Mode:1 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-11 -> 0xef -> IRQ 11 Mode:1 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-12 -> 0xef -> IRQ 12 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-13 -> 0xef -> IRQ 13 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-14 -> 0xef -> IRQ 14 Mode:0 Active:0 Dest:0)
[    0.020000] IOAPIC[0]: Set routing entry (0-15 -> 0xef -> IRQ 15 Mode:0 Active:0 Dest:0)
[    0.020000]  apic 0 pin 16 not connected
[    0.020000]  apic 0 pin 17 not connected
[    0.020000]  apic 0 pin 18 not connected
[    0.020000]  apic 0 pin 19 not connected
[    0.020000]  apic 0 pin 20 not connected
[    0.020000]  apic 0 pin 21 not connected
[    0.020000]  apic 0 pin 22 not connected
[    0.020000]  apic 0 pin 23 not connected
[    0.020000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[    0.020000] tsc: Detected 2260.998 MHz processor
[    0.020000] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x20974986637, max_idle_ns: 440795286310 ns
[    0.020021] Calibrating delay loop (skipped) preset value.. 4521.99 BogoMIPS (lpj=22609980)
[    0.022351] pid_max: default: 4096 minimum: 301
[    0.024139] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[    0.026048] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
[    0.027687] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.030019] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[    0.032947] CPU: Physical Processor ID: 0
[    0.033969] numa_add_cpu cpu 0 node 0: mask now 0
[    0.034987] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    0.035824] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    0.036761] Spectre V2 : Vulnerable: Minimal generic ASM retpoline
[    0.037736] Spectre V2 : Spectre v2 mitigation: Filling RSB on context switch
[    0.039044] Freeing SMP alternatives memory: 28K
[    0.041504] Using local APIC timer interrupts.
[    0.041504] calibrating APIC timer ...
[    0.050000] ... lapic delta = 6253178
[    0.050000] ... PM-Timer delta = 358137
[    0.050000] ... PM-Timer result ok
[    0.050000] ..... delta 6253178
[    0.050000] ..... mult: 268571950
[    0.050000] ..... calibration result: 10005084
[    0.050000] ..... CPU clock speed is 2262.1419 MHz.
[    0.050000] ..... host bus clock speed is 1000.5084 MHz.
[    0.050000] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0x6, model: 0x6, stepping: 0x3)
[    0.050000] Performance Events: PMU not available due to virtualization, using software events only.
[    0.050000] Hierarchical SRCU implementation.
[    0.051229] NMI watchdog: Perf event create on CPU 0 failed with -2
[    0.052781] NMI watchdog: Perf NMI watchdog permanently disabled
[    0.054850] smp: Bringing up secondary CPUs ...
[    0.059460] x86: Booting SMP configuration:
[    0.060019] .... node  #0, CPUs:      #1
[    0.010000] kvm-clock: cpu 1, msr 0:1fc22041, secondary cpu clock
[    0.010000] masked ExtINT on CPU#1
[    0.010000] numa_add_cpu cpu 1 node 0: mask now 0-1
[    0.070320] KVM setup async PF for cpu 1
[    0.071995] kvm-stealtime: cpu 1, msr 1fb22040
[    0.080010] smp: Brought up 1 node, 2 CPUs
[    0.080577] smpboot: Max logical packages: 2
[    0.081203] ----------------
[    0.081588] | NMI testsuite:
[    0.081985] --------------------
[    0.082407]   remote IPI:  ok  |
[    0.082951]    local IPI:  ok  |
[    0.083420] --------------------
[    0.083866] Good, all   2 testcases passed! |
[    0.084427] ---------------------------------
[    0.085052] smpboot: Total of 2 processors activated (9043.99 BogoMIPS)
[    0.090017] devtmpfs: initialized
[    0.092414] workqueue: round-robin CPU selection forced, expect performance impact
[    0.092414] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.092414] futex hash table entries: 16 (order: -1, 2048 bytes)
[    0.092414] pinctrl core: initialized pinctrl subsystem
[    0.093700] regulator-dummy: no parameters
[    0.100269] NET: Registered protocol family 16
[    0.102489] cpuidle: using governor ladder
[    0.102489] cpuidle: using governor menu
[    0.102489] ACPI: bus type PCI registered
[    0.102881] PCI: Using configuration type 1 for base access
[    0.130403] cryptd: max_cpu_qlen set to 1000
[    0.130805] gpio-f7188x: Not a Fintek device at 0x0000002e
[    0.131573] gpio-f7188x: Not a Fintek device at 0x0000004e
[    0.132625] ACPI: Added _OSI(Module Device)
[    0.133194] ACPI: Added _OSI(Processor Device)
[    0.133768] ACPI: Added _OSI(3.0 _SCP Extensions)
[    0.134383] ACPI: Added _OSI(Processor Aggregator Device)
[    0.135091] ACPI: Added _OSI(Linux-Dell-Video)
[    0.140913] ACPI: 1 ACPI AML tables successfully acquired and loaded
[    0.146927] ACPI: Interpreter enabled
[    0.147445] ACPI: (supports S0 S5)
[    0.147923] ACPI: Using IOAPIC for interrupt routing
[    0.148630] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    0.150474] ACPI: Enabled 2 GPEs in block 00 to 0F
[    0.166851] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[    0.167730] acpi PNP0A03:00: _OSC: OS supports [Segments]
[    0.168491] acpi PNP0A03:00: _OSC failed (AE_NOT_FOUND); disabling ASPM
[    0.169451] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge.
[    0.170262] PCI host bridge to bus 0000:00
[    0.170830] pci_bus 0000:00: root bus resource [io  0x0000-0x0cf7 window]
[    0.171712] pci_bus 0000:00: root bus resource [io  0x0d00-0xffff window]
[    0.172591] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[    0.173568] pci_bus 0000:00: root bus resource [mem 0x20000000-0xfebfffff window]
[    0.174543] pci_bus 0000:00: root bus resource [bus 00-ff]
[    0.175365] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[    0.177246] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[    0.180312] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[    0.188021] pci 0000:00:01.1: reg 0x20: [io  0xc040-0xc04f]
[    0.191061] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io  0x01f0-0x01f7]
[    0.192456] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io  0x03f6]
[    0.193309] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io  0x0170-0x0177]
[    0.194228] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io  0x0376]
[    0.195726] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[    0.197047] pci 0000:00:01.3: quirk: [io  0x0600-0x063f] claimed by PIIX4 ACPI
[    0.197994] pci 0000:00:01.3: quirk: [io  0x0700-0x070f] claimed by PIIX4 SMB
[    0.200245] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000
[    0.203350] pci 0000:00:02.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref]
[    0.207848] pci 0000:00:02.0: reg 0x18: [mem 0xfebf0000-0xfebf0fff]
[    0.216373] pci 0000:00:02.0: reg 0x30: [mem 0xfebe0000-0xfebeffff pref]
[    0.217994] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[    0.220707] pci 0000:00:03.0: reg 0x10: [mem 0xfebc0000-0xfebdffff]
[    0.222873] pci 0000:00:03.0: reg 0x14: [io  0xc000-0xc03f]
[    0.232092] pci 0000:00:03.0: reg 0x30: [mem 0xfeb80000-0xfebbffff pref]
[    0.234626] pci 0000:00:04.0: [8086:25ab] type 00 class 0x088000
[    0.237567] pci 0000:00:04.0: reg 0x10: [mem 0xfebf1000-0xfebf100f]
[    0.250769] ACPI: PCI Interrupt Link [LNKA] (IRQs 5 *10 11)
[    0.252780] ACPI: PCI Interrupt Link [LNKB] (IRQs 5 *10 11)
[    0.254612] ACPI: PCI Interrupt Link [LNKC] (IRQs 5 10 *11)
[    0.256450] ACPI: PCI Interrupt Link [LNKD] (IRQs 5 10 *11)
[    0.257967] ACPI: PCI Interrupt Link [LNKS] (IRQs *9)
[    0.262033] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[    0.262033] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[    0.263255] pci 0000:00:02.0: vgaarb: bridge control possible
[    0.264476] vgaarb: loaded
[    0.266368] ACPI: bus type USB registered
[    0.267381] usbcore: registered new interface driver usbfs
[    0.270105] usbcore: registered new interface driver hub
[    0.271380] usbcore: registered new device driver usb
[    0.274194] FPGA manager framework
[    0.274194] Advanced Linux Sound Architecture Driver Initialized.
[    0.274194] PCI: Using ACPI for IRQ routing
[    0.274194] PCI: pci_cache_line_size set to 64 bytes
[    0.274716] e820: reserve RAM buffer [mem 0x0009fc00-0x0009ffff]
[    0.280033] e820: reserve RAM buffer [mem 0x1ffe0000-0x1fffffff]
[    0.282413] NET: Registered protocol family 8
[    0.283087] NET: Registered protocol family 20
[    0.283801] nfc: nfc_init: NFC Core ver 0.1
[    0.283801] NET: Registered protocol family 39
[    0.283801] dcdbas dcdbas: Dell Systems Management Base Driver (version 5.6.0-3.2)
[    0.283801] clocksource: Switched to clocksource kvm-clock
[    0.369722] FS-Cache: Loaded
[    0.394345] pnp: PnP ACPI init
[    0.398594] pnp 00:00: Plug and Play ACPI device, IDs PNP0b00 (active)
[    0.399665] pnp 00:01: Plug and Play ACPI device, IDs PNP0303 (active)
[    0.400717] pnp 00:02: Plug and Play ACPI device, IDs PNP0f13 (active)
[    0.401720] pnp 00:03: [dma 2]
[    0.402217] pnp 00:03: Plug and Play ACPI device, IDs PNP0700 (active)
[    0.403289] pnp 00:04: Plug and Play ACPI device, IDs PNP0400 (active)
[    0.404338] pnp 00:05: Plug and Play ACPI device, IDs PNP0501 (active)
[    0.405398] pnp 00:06: Plug and Play ACPI device, IDs PNP0501 (active)
[    0.407067] pnp: PnP ACPI: found 7 devices
[    0.414449] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[    0.415755] pci_bus 0000:00: resource 4 [io  0x0000-0x0cf7 window]
[    0.416580] pci_bus 0000:00: resource 5 [io  0x0d00-0xffff window]
[    0.417385] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[    0.418277] pci_bus 0000:00: resource 7 [mem 0x20000000-0xfebfffff window]
[    0.419475] NET: Registered protocol family 2
[    0.434671] tcp_listen_portaddr_hash hash table entries: 256 (order: 2, 18432 bytes)
[    0.436262] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[    0.437646] TCP bind hash table entries: 4096 (order: 6, 262144 bytes)
[    0.439353] TCP: Hash tables configured (established 4096 bind 4096)
[    0.441165] UDP hash table entries: 256 (order: 3, 40960 bytes)
[    0.442757] UDP-Lite hash table entries: 256 (order: 3, 40960 bytes)
[    0.444739] NET: Registered protocol family 1
[    0.448528] RPC: Registered named UNIX socket transport module.
[    0.449501] RPC: Registered udp transport module.
[    0.450178] RPC: Registered tcp transport module.
[    0.450801] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.451647] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[    0.452440] pci 0000:00:01.0: PIIX3: Enabling Passive Release
[    0.453208] pci 0000:00:01.0: Activating ISA DMA hang workarounds
[    0.454103] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[    0.455211] PCI: CLS 0 bytes, default 64
[    0.456630] Unpacking initramfs...
[    1.020819] kwatchdog (36) used greatest stack depth: 14864 bytes left
[    1.424159] Freeing initrd memory: 3212K
[    1.439711] PCLMULQDQ-NI instructions are not detected.
[    1.441178] AVX or AES-NI instructions are not detected.
[    1.442287] CPU feature 'AVX registers' is not supported.
[    1.443386] CPU feature 'AVX registers' is not supported.
[    1.444477] CPU feature 'AVX registers' is not supported.
[    1.445573] CPU feature 'AVX registers' is not supported.
[    1.446666] AVX2 or AES-NI instructions are not detected.
[    1.447787] AVX2 instructions are not detected.
[    1.448943] spin_lock-torture:--- Start of test [debug]: nwriters_stress=4 nreaders_stress=0 stat_interval=60 verbose=1 shuffle_interval=3 stutter=5 shutdown_secs=0 onoff_interval=0 onoff_holdoff=0
[    1.452711] spin_lock-torture: Creating torture_shuffle task
[    1.454273] spin_lock-torture: torture_shuffle task started
[    1.454289] spin_lock-torture: Creating torture_stutter task
[    1.456933] spin_lock-torture: Creating lock_torture_writer task
[    1.456950] spin_lock-torture: torture_stutter task started
[    1.458311] spin_lock-torture: Creating lock_torture_writer task
[    1.460797] spin_lock-torture: lock_torture_writer task started
[    1.462091] spin_lock-torture: Creating lock_torture_writer task
[    1.462118] spin_lock-torture: lock_torture_writer task started
[    1.463490] spin_lock-torture: Creating lock_torture_writer task
[    1.465507] spin_lock-torture: lock_torture_writer task started
[    1.466760] spin_lock-torture: Creating lock_torture_stats task
[    1.466834] spin_lock-torture: lock_torture_writer task started
[    1.468579] spin_lock-torture: lock_torture_stats task started
[    2.476380] tsc: Refined TSC clocksource calibration: 2261.005 MHz
[    2.477945] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x20975002093, max_idle_ns: 440795222571 ns
[    8.182376] torture_init_begin: Refusing rcu init: spin_lock running.
[    8.188459] torture_init_begin: One torture test at a time!
[    8.211009] workingset: timestamp_bits=52 max_order=17 bucket_order=0
[    8.310560] NFS: Registering the id_resolver key type
[    8.311942] Key type id_resolver registered
[    8.312950] Key type id_legacy registered
[    8.316472] romfs: ROMFS MTD (C) 2007 Red Hat, Inc.
[    8.317612] fuse init (API version 7.26)
[    8.333581] NET: Registered protocol family 38
[    8.337575] test_hexdump: all 1184 tests passed
[    8.349608] test_hash: __hash_32() has no arch implementation to test.
[    8.351036] test_hash: hash_32() has no arch implementation to test.
[    8.352381] test_hash: hash_64() has no arch implementation to test.
[    8.353682] test_hash: 33152 tests passed.
[    8.354573] test_siphash: self-tests: pass
[    8.356458] Running rhashtable test nelem=8, max_size=0, shrinking=0
[    8.357765] Test 00:
[    8.358373]   Adding 50000 keys
[    8.518226] Info: encountered resize
[    8.533511]   Traversal complete: counted=53574, nelems=50000, entries=50000, table-jumps=1
[    8.537012] Test failed: Total count mismatch ^^^
[    8.619766]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[    8.622896]   Deleting 50000 keys
[    8.716567]   Duration of test: 357420300 ns
[    8.717951] Test 01:
[    8.718849]   Adding 50000 keys
[    8.980491] Info: encountered resize
[    8.993382]   Traversal complete: counted=54646, nelems=50000, entries=50000, table-jumps=1
[    8.995307] Test failed: Total count mismatch ^^^
[    9.055511]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[    9.058146]   Deleting 50000 keys
[    9.151593]   Duration of test: 432015617 ns
[    9.152445] Test 02:
[    9.153031]   Adding 50000 keys
[    9.315543]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[    9.388263]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[    9.391920]   Deleting 50000 keys
[    9.480714]   Duration of test: 327251314 ns
[    9.483018] Test 03:
[    9.484327]   Adding 50000 keys
[    9.640066] Info: encountered resize
[    9.654422]   Traversal complete: counted=55925, nelems=50000, entries=50000, table-jumps=1
[    9.656389] Test failed: Total count mismatch ^^^
[    9.725967]   Traversal complete: counted=50000, nelems=50000, entries=50000, table-jumps=0
[    9.727813]   Deleting 50000 keys
[    9.797956]   Duration of test: 312263192 ns
[    9.836192] test if its possible to exceed max_size 8192: no, ok
[    9.837182] Average test time: 357237605
[    9.837706] test inserting duplicates
[    9.838357] ODEBUG: object is on stack, but not annotated
[    9.839214] WARNING: CPU: 1 PID: 1 at lib/debugobjects.c:366 __debug_object_init+0x38d/0x580
[    9.840029] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.17.0-rc4-01248-g3416099 #1
[    9.840029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    9.840029] RIP: 0010:__debug_object_init+0x38d/0x580
[    9.840029] RSP: 0000:ffff9ae3400d3bb0 EFLAGS: 00010082
[    9.840029] RAX: 000000000000002d RBX: ffff9ae3400d3cd0 RCX: ffff93e099de9d88
[    9.840029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
[    9.840029] RBP: ffffffffa9cd01a8 R08: ffff93e0803eccc8 R09: 00000000425b018d
[    9.840029] R10: ffff93e0803eccc8 R11: 0000000000000000 R12: ffffffffa8466300
[    9.840029] R13: 0000000000000282 R14: 0000000000083cc0 R15: ffff93e099de9d88
[    9.840029] FS:  0000000000000000(0000) GS:ffff93e09fb00000(0000) knlGS:0000000000000000
[    9.840029] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.840029] CR2: ffff9ae340174000 CR3: 000000001301d000 CR4: 00000000000006a0
[    9.840029] Call Trace:
[    9.840029]  ? get_random_u32+0x8a/0xf0
[    9.840029]  rhashtable_init+0x1fd/0x250
[    9.840029]  rhltable_init+0x10/0x20
[    9.840029]  test_insert_dup+0x58/0x718
[    9.840029]  ? find_held_lock+0x2d/0x90
[    9.840029]  ? kstrtos8_from_user+0xa0/0xa0
[    9.840029]  ? jhash+0x130/0x130
[    9.840029]  ? my_hashfn+0x30/0x30
[    9.840029]  test_rht_init+0x2d9/0x5e1
[    9.840029]  ? test_rhashtable+0x86a/0x86a
[    9.840029]  ? do_early_param+0x8d/0x8d
[    9.840029]  do_one_initcall+0x131/0x334
[    9.840029]  ? do_early_param+0x8d/0x8d
[    9.840029]  kernel_init_freeable+0x324/0x3f4
[    9.840029]  ? rest_init+0x230/0x230
[    9.840029]  kernel_init+0xa/0x100
[    9.840029]  ret_from_fork+0x3a/0x50
[    9.840029] Code: 65 48 8b 14 25 00 4e 01 00 48 8b 52 18 48 39 d3 0f 82 7d 01 00 00 48 81 c2 00 40 00 00 48 39 d3 0f 82 9e 01 00 00 e9 68 01 00 00 <0f> 0b 49 89 cf eb 03 49 89 ff 41 8b 47 10 83 f8 03 74 13 72 07 
[    9.840029] irq event stamp: 3837682
[    9.840029] hardirqs last  enabled at (3837681): [<ffffffffa78920bf>] _raw_read_unlock_irqrestore+0x4f/0x70
[    9.840029] hardirqs last disabled at (3837682): [<ffffffffa7891918>] _raw_spin_lock_irqsave+0x38/0x70
[    9.840029] softirqs last  enabled at (3836474): [<ffffffffa7041ffb>] insert_retry+0x41b/0x550
[    9.840029] softirqs last disabled at (3836472): [<ffffffffa7041d6f>] insert_retry+0x18f/0x550
[    9.840029] ---[ end trace 088385ba34d14fe2 ]---
[    9.873011] 
[    9.873233] =============================
[    9.873762] WARNING: suspicious RCU usage
[    9.874340] 4.17.0-rc4-01248-g3416099 #1 Tainted: G        W        
[    9.875223] -----------------------------
[    9.875750] lib/test_rhashtable.c:502 suspicious rcu_dereference_protected() usage!
[    9.877109] 
[    9.877109] other info that might help us debug this:
[    9.877109] 
[    9.878189] 
[    9.878189] rcu_scheduler_active = 2, debug_locks = 1
[    9.879074] no locks held by swapper/0/1.
[    9.879597] 
[    9.879597] stack backtrace:
[    9.880228] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W         4.17.0-rc4-01248-g3416099 #1
[    9.881418] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    9.882545] Call Trace:
[    9.882889]  dump_stack+0xb0/0x10b
[    9.883386]  print_ht+0x79/0x2a2
[    9.883816]  test_insert_dup+0x669/0x718
[    9.884375]  ? my_hashfn+0x30/0x30
[    9.884846]  ? kstrtos8_from_user+0xa0/0xa0
[    9.885430]  ? jhash+0x130/0x130
[    9.885860]  ? my_hashfn+0x30/0x30
[    9.886373]  ? rhashtable_rehash_table+0x620/0x620
[    9.887047]  test_rht_init+0x2d9/0x5e1
[    9.887546]  ? test_rhashtable+0x86a/0x86a
[    9.888338]  ? do_early_param+0x8d/0x8d
[    9.888847]  do_one_initcall+0x131/0x334
[    9.889408]  ? do_early_param+0x8d/0x8d
[    9.890011]  kernel_init_freeable+0x324/0x3f4
[    9.890213]  ? rest_init+0x230/0x230
[    9.890213]  kernel_init+0xa/0x100
[    9.890213]  ret_from_fork+0x3a/0x50
[    9.892095] 
[    9.892315] =============================
[    9.892840] WARNING: suspicious RCU usage
[    9.893454] 4.17.0-rc4-01248-g3416099 #1 Tainted: G        W        
[    9.894531] -----------------------------
[    9.895392] lib/test_rhashtable.c:507 suspicious rcu_dereference_protected() usage!
[    9.897205] 
[    9.897205] other info that might help us debug this:
[    9.897205] 
[    9.898787] 
[    9.898787] rcu_scheduler_active = 2, debug_locks = 1
[    9.900153] no locks held by swapper/0/1.
[    9.901036] 
[    9.901036] stack backtrace:
[    9.901944] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W         4.17.0-rc4-01248-g3416099 #1
[    9.903819] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    9.905622] Call Trace:
[    9.906177]  dump_stack+0xb0/0x10b
[    9.907019]  print_ht+0xc9/0x2a2
[    9.907785]  test_insert_dup+0x669/0x718
[    9.908654]  ? my_hashfn+0x30/0x30
[    9.909408]  ? kstrtos8_from_user+0xa0/0xa0
[    9.910134]  ? jhash+0x130/0x130
[    9.910134]  ? my_hashfn+0x30/0x30
[    9.910134]  ? rhashtable_rehash_table+0x620/0x620
[    9.910134]  test_rht_init+0x2d9/0x5e1
[    9.910134]  ? test_rhashtable+0x86a/0x86a
[    9.910134]  ? do_early_param+0x8d/0x8d
[    9.910134]  do_one_initcall+0x131/0x334
[    9.910134]  ? do_early_param+0x8d/0x8d
[    9.910134]  kernel_init_freeable+0x324/0x3f4
[    9.910134]  ? rest_init+0x230/0x230
[    9.910134]  kernel_init+0xa/0x100
[    9.910134]  ret_from_fork+0x3a/0x50
[    9.920209] 
[    9.920553] =============================
[    9.921411] WARNING: suspicious RCU usage
[    9.922304] 4.17.0-rc4-01248-g3416099 #1 Tainted: G        W        
[    9.923583] -----------------------------
[    9.924527] lib/test_rhashtable.c:508 suspicious rcu_dereference_protected() usage!
[    9.926780] 
[    9.926780] other info that might help us debug this:
[    9.926780] 
[    9.928581] 
[    9.928581] rcu_scheduler_active = 2, debug_locks = 1
[    9.930002] no locks held by swapper/0/1.
[    9.930557] 
[    9.930557] stack backtrace:
[    9.931175] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W         4.17.0-rc4-01248-g3416099 #1
[    9.932366] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    9.933504] Call Trace:
[    9.933843]  dump_stack+0xb0/0x10b
[    9.934322]  print_ht+0x11e/0x2a2
[    9.934782]  test_insert_dup+0x669/0x718
[    9.935356]  ? my_hashfn+0x30/0x30
[    9.935822]  ? kstrtos8_from_user+0xa0/0xa0
[    9.936415]  ? jhash+0x130/0x130
[    9.936862]  ? my_hashfn+0x30/0x30
[    9.937361]  ? rhashtable_rehash_table+0x620/0x620
[    9.938045]  test_rht_init+0x2d9/0x5e1
[    9.938543]  ? test_rhashtable+0x86a/0x86a
[    9.939302]  ? do_early_param+0x8d/0x8d
[    9.939816]  do_one_initcall+0x131/0x334
[    9.940392]  ? do_early_param+0x8d/0x8d
[    9.940542]  kernel_init_freeable+0x324/0x3f4
[    9.940542]  ? rest_init+0x230/0x230
[    9.940542]  kernel_init+0xa/0x100
[    9.940542]  ret_from_fork+0x3a/0x50
[    9.943070] 
[    9.943286] =============================
[    9.943818] WARNING: suspicious RCU usage
[    9.944402] 4.17.0-rc4-01248-g3416099 #1 Tainted: G        W        
[    9.945272] -----------------------------
[    9.945815] lib/test_rhashtable.c:519 suspicious rcu_dereference_protected() usage!
[    9.947122] 
[    9.947122] other info that might help us debug this:
[    9.947122] 
[    9.948255] 
[    9.948255] rcu_scheduler_active = 2, debug_locks = 1
[    9.949186] no locks held by swapper/0/1.
[    9.949712] 
[    9.949712] stack backtrace:
[    9.950412] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W         4.17.0-rc4-01248-g3416099 #1
[    9.951655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    9.952794] Call Trace:
[    9.953182]  dump_stack+0xb0/0x10b
[    9.953637]  print_ht+0x191/0x2a2
[    9.954116]  test_insert_dup+0x669/0x718
[    9.954640]  ? my_hashfn+0x30/0x30
[    9.955146]  ? kstrtos8_from_user+0xa0/0xa0
[    9.955694]  ? jhash+0x130/0x130
[    9.956155]  ? my_hashfn+0x30/0x30
[    9.956614]  ? rhashtable_rehash_table+0x620/0x620
[    9.957278]  test_rht_init+0x2d9/0x5e1
[    9.957771]  ? test_rhashtable+0x86a/0x86a
[    9.958502]  ? do_early_param+0x8d/0x8d
[    9.959059]  do_one_initcall+0x131/0x334
[    9.959581]  ? do_early_param+0x8d/0x8d
[    9.960146]  kernel_init_freeable+0x324/0x3f4
[    9.960397]  ? rest_init+0x230/0x230
[    9.960397]  kernel_init+0xa/0x100
[    9.960397]  ret_from_fork+0x3a/0x50
[    9.962274] 
[    9.962488] =============================
[    9.963049] WARNING: suspicious RCU usage
[    9.963593] 4.17.0-rc4-01248-g3416099 #1 Tainted: G        W        
[    9.964436] -----------------------------
[    9.964989] lib/test_rhashtable.c:529 suspicious rcu_dereference_protected() usage!
[    9.966254] 
[    9.966254] other info that might help us debug this:
[    9.966254] 
[    9.967332] 
[    9.967332] rcu_scheduler_active = 2, debug_locks = 1
[    9.968228] no locks held by swapper/0/1.
[    9.968757] 
[    9.968757] stack backtrace:
[    9.969356] CPU: 1 PID: 1 Comm: swapper/0 Tainted: G        W         4.17.0-rc4-01248-g3416099 #1
[    9.970559] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[    9.971731] Call Trace:
[    9.972156]  dump_stack+0xb0/0x10b
[    9.972261]  print_ht+0x226/0x2a2
[    9.972261]  test_insert_dup+0x669/0x718
[    9.972261]  ? my_hashfn+0x30/0x30
[    9.972261]  ? kstrtos8_from_user+0xa0/0xa0
[    9.972261]  ? jhash+0x130/0x130
[    9.972261]  ? my_hashfn+0x30/0x30
[    9.972261]  ? rhashtable_rehash_table+0x620/0x620
[    9.972261]  test_rht_init+0x2d9/0x5e1
[    9.972261]  ? test_rhashtable+0x86a/0x86a
[    9.972261]  ? do_early_param+0x8d/0x8d
[    9.972261]  do_one_initcall+0x131/0x334
[    9.972261]  ? do_early_param+0x8d/0x8d
[    9.972261]  kernel_init_freeable+0x324/0x3f4
[    9.972261]  ? rest_init+0x230/0x230
[    9.972261]  kernel_init+0xa/0x100
[    9.972261]  ret_from_fork+0x3a/0x50
[    9.982672] 
[    9.982672] ---- ht: ----
[    9.982672] bucket[1] -> [[ val 1 (tid=0) ]] -> [[ val 21 (tid=1) ]]
[    9.982672] -------------
[   10.000177] 
[   10.000177] ---- ht: ----
[   10.000177] bucket[1] -> [[ val 1 (tid=2),  val 1 (tid=0) ]] -> [[ val 21 (tid=1) ]]
[   10.000177] -------------
[   10.003484] 
[   10.003484] ---- ht: ----
[   10.003484] bucket[1] -> [[ val 21 (tid=1) ]] -> [[ val 1 (tid=0) ]]
[   10.003484] -------------
[   10.006542] 
[   10.006542] ---- ht: ----
[   10.006542] bucket[1] -> [[ val 21 (tid=1) ]] -> [[ val 1 (tid=2),  val 1 (tid=0) ]]
[   10.006542] -------------
[   10.009830] Testing concurrent rhashtable access from 10 threads
[   16.980113] rhashtable_thra (151) used greatest stack depth: 14608 bytes left
[   17.612368] rhashtable_thra (156) used greatest stack depth: 13984 bytes left
[   18.192936] test 3125 add/delete pairs into rhlist
[   18.542927] test 3125 random rhlist add/delete operations
[   18.978432] Started 10 threads, 0 failed, rhltable test returns 0
[   18.980078] test passed
[   18.980578] test_printf: hashing plain 'p' has unexpected format
[   18.981528] test_printf: failed 1 out of 240 tests
[   18.982163] test_uuid: all 18 tests passed
[   18.983171] crc32: CRC_LE_BITS = 64, CRC_BE BITS = 64
[   18.983829] crc32: self tests passed, processed 225944 bytes in 200560 nsec
[   18.984944] crc32c: CRC_LE_BITS = 64
[   18.985417] crc32c: self tests passed, processed 225944 bytes in 118153 nsec
[   19.003675] crc32_combine: 8373 self tests passed
[   19.023380] crc32c_combine: 8373 self tests passed
[   19.024690] glob: 64 self-tests passed, 0 failed
[   19.025704] interval tree insert/remove
[   19.041597]  -> 35901 cycles
[   19.043088] interval tree search
[   19.114604]  -> 161647 cycles (2692 results)
[   19.123172] gpio_winbond: chip ID at 2e is ffff
[   19.124205] gpio_winbond: not an our chip
[   19.125157] gpio_winbond: chip ID at 4e is ffff
[   19.126163] gpio_winbond: not an our chip
[   19.128509] hgafb: HGA card not detected.
[   19.129384] hgafb: probe of hgafb.0 failed with error -22
[   19.130883] usbcore: registered new interface driver smscufx
[   19.133027] uvesafb: failed to execute /sbin/v86d
[   19.134040] uvesafb: make sure that the v86d helper is installed and executable
[   19.135541] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2)
[   19.136920] uvesafb: vbe_init() failed with -22
[   19.137885] uvesafb: probe of uvesafb.0 failed with error -22
[   19.139207] ipmi message handler version 39.2
[   19.140163] ipmi device interface
[   19.140968] IPMI System Interface driver.
[   19.142086] ipmi_si: Unable to find any System Interface(s)
[   19.143256] IPMI SSIF Interface driver
[   19.144200] IPMI Watchdog: driver initialized
[   19.145647] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[   19.147258] ACPI: Power Button [PWRF]
[   19.247067] r3964: Philips r3964 Driver $Revision: 1.10 $
[   19.248281] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[   19.276935] 00:05: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[   19.307290] 00:06: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[   19.311523] lp: driver loaded but no devices found
[   19.312857] Non-volatile memory driver v1.3
[   19.314258] ppdev: user-space parallel port driver
[   19.317325] [drm] Initialized vgem 1.0.0 20120112 for virtual device on minor 0
[   19.319179] usbcore: registered new interface driver udl
[   19.320828] parport_pc 00:04: reported by Plug and Play ACPI
[   19.322457] parport0: PC-style at 0x378, irq 7 [PCSPP(,...)]
[   19.324545] lp0: using parport0 (interrupt-driven).
[   19.326319] parport_pc parport_pc.956: Unable to set coherent dma mask: disabling DMA
[   19.328789] parport_pc parport_pc.888: Unable to set coherent dma mask: disabling DMA
[   19.331181] parport_pc parport_pc.632: Unable to set coherent dma mask: disabling DMA
[   19.353125] Silicon Labs C2 port support v. 0.51.0 - (C) 2007 Rodolfo Giometti
[   19.356215] usbcore: registered new interface driver viperboard
[   19.357844] usbcore: registered new interface driver pn533_usb
[   19.359751] SBC-GXx flash: IO:0x258-0x259 MEM:0xdc000-0xdffff
[   19.361523] slram: not enough parameters.
[   19.365862] HSI/SSI char device loaded
[   19.366792] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
[   19.369590] MACsec IEEE 802.1AE
[   19.373193] mdio_bus fixed-0: GPIO lookup for consumer reset
[   19.374475] mdio_bus fixed-0: using lookup tables for GPIO lookup
[   19.375941] mdio_bus fixed-0: No GPIO consumer reset found
[   19.377271] libphy: Fixed MDIO Bus: probed
[   19.379074] vcan: Virtual CAN interface driver
[   19.380238] CAN device driver interface
[   19.381214] usbcore: registered new interface driver esd_usb2
[   19.382560] usbcore: registered new interface driver gs_usb
[   19.383945] usbcore: registered new interface driver kvaser_usb
[   19.385381] usbcore: registered new interface driver peak_usb
[   19.386734] usbcore: registered new interface driver usb_8dev
[   19.388079] cc770: CAN netdevice driver
[   19.388969] cc770_isa: insufficient parameters supplied
[   19.390497] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
[   19.392097] e1000: Copyright (c) 1999-2006 Intel Corporation.
[   19.762914] PCI Interrupt Link [LNKC] enabled at IRQ 11
[   20.246375] e1000 0000:00:03.0 eth0: (PCI:33MHz:32-bit) 52:54:00:12:34:56
[   20.257967] e1000 0000:00:03.0 eth0: Intel(R) PRO/1000 Network Connection
[   20.259375] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[   20.260501] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[   20.261680] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k
[   20.262990] igb: Copyright (c) 2007-2014 Intel Corporation.
[   20.264082] ixgbe: Intel(R) 10 Gigabit PCI Express Network Driver - version 5.1.0-k
[   20.265492] ixgbe: Copyright (c) 1999-2016 Intel Corporation.
[   20.267141] mkiss: AX.25 Multikiss, Hans Albas PE1AYX
[   20.268230] AX.25: 6pack driver, Revision: 0.3.0
[   20.269224] baycom_ser_fdx: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
[   20.269224] baycom_ser_fdx: version 0.10
[   20.273943] hdlcdrv: (C) 1996-2000 Thomas Sailer HB9JNX/AE4WA
[   20.275165] hdlcdrv: version 0.8
[   20.275841] baycom_ser_hdx: (C) 1996-2000 Thomas Sailer, HB9JNX/AE4WA
[   20.275841] baycom_ser_hdx: version 0.10
[   20.281796] NET3 PLIP version 2.4-parport gniibe@mri.co.jp
[   20.283002] plip0: Parallel port at 0x378, using IRQ 7.
[   20.284137] PPP generic driver version 2.4.2
[   20.285394] PPP BSD Compression module registered
[   20.286438] PPP MPPE Compression module registered
[   20.287473] NET: Registered protocol family 24
[   20.288457] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256).
[   20.290053] SLIP linefill/keepalive option.
[   20.291026] hdlc: HDLC support module revision 1.22
[   20.292144] usbcore: registered new interface driver catc
[   20.293314] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver
[   20.294935] usbcore: registered new interface driver pegasus
[   20.296200] usbcore: registered new interface driver rtl8150
[   20.297470] usbcore: registered new interface driver r8152
[   20.298706] usbcore: registered new interface driver lan78xx
[   20.300074] usbcore: registered new interface driver ax88179_178a
[   20.301488] usbcore: registered new interface driver cdc_ether
[   20.302790] usbcore: registered new interface driver cdc_eem
[   20.304075] usbcore: registered new interface driver sr9700
[   20.305325] usbcore: registered new interface driver CoreChips
[   20.306619] usbcore: registered new interface driver smsc75xx
[   20.307915] usbcore: registered new interface driver smsc95xx
[   20.309205] usbcore: registered new interface driver net1080
[   20.310651] usbcore: registered new interface driver plusb
[   20.311891] usbcore: registered new interface driver rndis_host
[   20.313299] usbcore: registered new interface driver MOSCHIP usb-ethernet driver
[   20.314975] usbcore: registered new interface driver int51x1
[   20.316230] usbcore: registered new interface driver kalmia
[   20.317453] usbcore: registered new interface driver ipheth
[   20.318705] usbcore: registered new interface driver cx82310_eth
[   20.320096] usbcore: registered new interface driver cdc_ncm
[   20.321387] usbcore: registered new interface driver huawei_cdc_ncm
[   20.322819] usbcore: registered new interface driver lg-vl600
[   20.324157] usbcore: registered new interface driver qmi_wwan
[   20.325478] usbcore: registered new interface driver cdc_mbim
[   20.326822] usbcore: registered new interface driver ch9200
[   20.585585] panel: panel driver registered on parport0 (io=0x378).
[   20.586631] usbcore: registered new interface driver hwa-rc
[   20.588551] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[   20.589948] ehci-pci: EHCI PCI platform driver
[   20.591015] ehci-platform: EHCI generic platform driver
[   20.592069] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[   20.593309] ohci-pci: OHCI PCI platform driver
[   20.594225] ohci-platform: OHCI generic platform driver
[   20.595570] usbcore: registered new interface driver hwa-hc
[   20.596723] fotg210_hcd: FOTG210 Host Controller (EHCI) Driver
[   20.597844] Warning! fotg210_hcd should always be loaded before uhci_hcd and ohci_hcd, not after
[   20.600111] usbcore: registered new interface driver wusb-cbaf
[   20.601325] usbcore: registered new interface driver cdc_acm
[   20.602409] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[   20.604150] usbcore: registered new interface driver usblp
[   20.605371] usbcore: registered new interface driver cdc_wdm
[   20.606750] usbcore: registered new interface driver aircable
[   20.608151] usbserial: USB Serial support registered for aircable
[   20.609542] usbcore: registered new interface driver belkin_sa
[   20.611013] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter
[   20.613019] usbcore: registered new interface driver ch341
[   20.614237] usbserial: USB Serial support registered for ch341-uart
[   20.615646] usbcore: registered new interface driver cp210x
[   20.616890] usbserial: USB Serial support registered for cp210x
[   20.618218] usbcore: registered new interface driver cyberjack
[   20.619548] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader
[   20.630079] usbcore: registered new interface driver digi_acceleport
[   20.632266] usbserial: USB Serial support registered for Digi 2 port USB adapter
[   20.635105] usbserial: USB Serial support registered for Digi 4 port USB adapter
[   20.638213] usbcore: registered new interface driver io_ti
[   20.640078] usbserial: USB Serial support registered for Edgeport TI 1 port adapter
[   20.642000] usbserial: USB Serial support registered for Edgeport TI 2 port adapter
[   20.643961] usbcore: registered new interface driver empeg
[   20.646290] usbserial: USB Serial support registered for empeg
[   20.648786] usbcore: registered new interface driver f81232
[   20.660160] usbserial: USB Serial support registered for f81232
[   20.661760] usbcore: registered new interface driver f81534
[   20.663163] usbserial: USB Serial support registered for Fintek F81532/F81534
[   20.664970] usbcore: registered new interface driver ftdi_sio
[   20.666384] usbserial: USB Serial support registered for FTDI USB Serial Device
[   20.668176] usbcore: registered new interface driver ipw
[   20.669512] usbserial: USB Serial support registered for IPWireless converter
[   20.671350] usbcore: registered new interface driver iuu_phoenix
[   20.672892] usbserial: USB Serial support registered for iuu_phoenix
[   20.674435] usbcore: registered new interface driver keyspan
[   20.675883] usbserial: USB Serial support registered for Keyspan - (without firmware)
[   20.677807] usbserial: USB Serial support registered for Keyspan 1 port adapter
[   20.679305] usbserial: USB Serial support registered for Keyspan 2 port adapter
[   20.680388] usbserial: USB Serial support registered for Keyspan 4 port adapter
[   20.681493] usbcore: registered new interface driver keyspan_pda
[   20.682384] usbserial: USB Serial support registered for Keyspan PDA
[   20.683567] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration)
[   20.685203] usbserial: USB Serial support registered for Xircom / Entrega PGS - (prerenumeration)
[   20.686838] usbcore: registered new interface driver kl5kusb105
[   20.687951] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect
[   20.689467] usbcore: registered new interface driver kobil_sct
[   20.690628] usbserial: USB Serial support registered for KOBIL USB smart card terminal
[   20.692186] usbcore: registered new interface driver mct_u232
[   20.693078] usbserial: USB Serial support registered for MCT U232
[   20.693946] usbcore: registered new interface driver mxuport
[   20.694802] usbserial: USB Serial support registered for MOXA UPort
[   20.696141] usbcore: registered new interface driver navman
[   20.697380] usbserial: USB Serial support registered for navman
[   20.698676] usbcore: registered new interface driver omninet
[   20.699877] usbserial: USB Serial support registered for ZyXEL - omni.net lcd plus usb
[   20.701588] usbcore: registered new interface driver option
[   20.702775] usbserial: USB Serial support registered for GSM modem (1-port)
[   20.704204] usbcore: registered new interface driver pl2303
[   20.705392] usbserial: USB Serial support registered for pl2303
[   20.706617] usbcore: registered new interface driver qcaux
[   20.707859] usbserial: USB Serial support registered for qcaux
[   20.709175] usbcore: registered new interface driver quatech2
[   20.720150] usbserial: USB Serial support registered for Quatech 2nd gen USB to Serial Driver
[   20.722028] usbcore: registered new interface driver safe_serial
[   20.723382] usbserial: USB Serial support registered for safe_serial
[   20.724802] usbcore: registered new interface driver usb_serial_simple
[   20.726260] usbserial: USB Serial support registered for carelink
[   20.727624] usbserial: USB Serial support registered for zio
[   20.728899] usbserial: USB Serial support registered for funsoft
[   20.730284] usbserial: USB Serial support registered for flashloader
[   20.731428] usbserial: USB Serial support registered for google
[   20.732237] usbserial: USB Serial support registered for libtransistor
[   20.733158] usbserial: USB Serial support registered for vivopay
[   20.733971] usbserial: USB Serial support registered for moto_modem
[   20.734948] usbserial: USB Serial support registered for motorola_tetra
[   20.735825] usbserial: USB Serial support registered for novatel_gps
[   20.736733] usbserial: USB Serial support registered for hp4x
[   20.737515] usbserial: USB Serial support registered for suunto
[   20.738339] usbserial: USB Serial support registered for siemens_mpi
[   20.739322] usbcore: registered new interface driver spcp8x5
[   20.740123] usbserial: USB Serial support registered for SPCP8x5
[   20.740971] usbcore: registered new interface driver ssu100
[   20.741717] usbserial: USB Serial support registered for Quatech SSU-100 USB to Serial Driver
[   20.742933] usbcore: registered new interface driver whiteheat
[   20.743714] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT - (prerenumeration)
[   20.744979] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT
[   20.745988] usbcore: registered new interface driver xsens_mt
[   20.746883] usbserial: USB Serial support registered for xsens_mt
[   20.747707] usbcore: registered new interface driver adutux
[   20.748468] usbcore: registered new interface driver appledisplay
[   20.749333] usbcore: registered new interface driver cypress_cy7c63
[   20.750228] usbcore: registered new interface driver cytherm
[   20.751196] usbcore: registered new interface driver emi62 - firmware loader
[   20.752138] usbcore: registered new interface driver idmouse
[   20.752945] usbcore: registered new interface driver iowarrior
[   20.753722] usbcore: registered new interface driver usblcd
[   20.754483] usbcore: registered new interface driver ldusb
[   20.755415] usbcore: registered new interface driver legousbtower
[   20.756250] usbcore: registered new interface driver rio500
[   20.757048] usbcore: registered new interface driver usbtest
[   20.757806] usbcore: registered new interface driver uss720
[   20.758530] uss720: USB Parport Cable driver for Cables using the Lucent Technologies USS720 Chip
[   20.759729] uss720: NOTE: this is a special purpose driver to allow nonstandard
[   20.760733] uss720: protocols (eg. bitbang) over USS720 usb to parallel cables
[   20.761667] uss720: If you just want to connect to a printer, use usblp instead
[   20.762651] usbcore: registered new interface driver usbsevseg
[   20.763493] usbcore: registered new interface driver yurex
[   20.764335] usbcore: registered new interface driver chaoskey
[   20.765164] usbcore: registered new interface driver sisusb
[   20.765938] usbcore: registered new interface driver speedtch
[   20.766724] xusbatm: malformed module parameters
[   20.768313] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[   20.771830] serio: i8042 KBD port at 0x60,0x64 irq 1
[   20.773050] serio: i8042 AUX port at 0x60,0x64 irq 12
[   20.774315] parport0: cannot grant exclusive access for device parkbd
[   20.780155] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input1
[   20.789444] rtc-test rtc-test.0: rtc core: registered test as rtc0
[   20.791483] rtc-test rtc-test.1: rtc core: registered test as rtc1
[   20.793208] i2c /dev entries driver
[   20.794418] usbcore: registered new interface driver i2c-diolan-u2c
[   20.795817] i2c-parport: adapter type unspecified
[   20.797056] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF
[   20.799156] Driver for 1-wire Dallas network protocol.
[   20.800615] DS1WM w1 busmaster driver - (c) 2004 Szabolcs Gyurko
[   20.802216] w1_f0d_init()
[   20.807742] pc87360: PC8736x not detected, module not inserted
[   20.809191] sch56xx_common: Unsupported device id: 0xff
[   20.810385] sch56xx_common: Unsupported device id: 0xff
[   20.813046] intel_powerclamp: CPU does not support MWAIT
[   20.814363] acquirewdt: WDT driver for Acquire single board computer initialising
[   20.816284] acquirewdt: I/O address 0x0043 already in use
[   20.817538] acquirewdt: probe of acquirewdt failed with error -5
[   20.819016] advantechwdt: WDT driver for Advantech single board computer initialising
[   20.821384] advantechwdt: initialized. timeout=60 sec (nowayout=0)
[   20.822888] wafer5823wdt: WDT driver for Wafer 5823 single board computer initialising
[   20.824630] wafer5823wdt: I/O address 0x0443 already in use
[   20.825912] it87_wdt: no device
[   20.826593] pc87413_wdt: Version 1.1 at io 0x2E
[   20.827576] pc87413_wdt: cannot register miscdev on minor=130 (err=-16)
[   20.829062] cpu5wdt: misc_register failed
[   20.830089] smsc37b787_wdt: SMsC 37B787 watchdog component driver 1.1 initialising...
[   20.832942] smsc37b787_wdt: Unable to register miscdev on minor 130
[   20.834435] w83877f_wdt: I/O address 0x0443 already in use
[   20.835626] w83977f_wdt: driver v1.00
[   20.836431] w83977f_wdt: cannot register miscdev on minor=130 (err=-16)
[   20.837973] machzwd: MachZ ZF-Logic Watchdog driver initializing
[   20.839285] machzwd: no ZF-Logic found
[   20.840271] sbc_epx_c3: cannot register miscdev on minor=130 (err=-16)
[   20.842106] watchdog: Software Watchdog: cannot register miscdev on minor=130 (err=-16).
[   20.843942] watchdog: Software Watchdog: a legacy watchdog module is probably present.
[   20.846040] softdog: initialized. soft_noboot=0 soft_margin=60 sec soft_panic=0 (nowayout=0)
[   20.848038] sdhci: Secure Digital Host Controller Interface driver
[   20.849387] sdhci: Copyright(c) Pierre Ossman
[   20.850350] VUB300 Driver rom wait states = 1C irqpoll timeout = 0400
[   20.860628] usbcore: registered new interface driver vub300
[   20.863219] sdhci-pltfm: SDHCI platform and OF driver helper
[   20.864862] No PC Engines board detected
[   20.867484] usbcore: registered new interface driver usbhid
[   20.868708] usbhid: USB HID core driver
[   20.869655] NET: Registered protocol family 4
[   20.870781] comedi: version 0.7.76 - http://www.comedi.org
[   20.871933] FPGA DOWNLOAD --->
[   20.872349] FPGA image file name: xlinx_fpga_firmware.bit
[   20.873220] GPIO INIT FAIL!!
[   20.880959] usbcore: registered new interface driver es2_ap_driver
[   20.882346] greybus: registered new driver log
[   20.883386] greybus: registered new driver loopback
[   20.884451] greybus: registered new driver power_supply
[   20.885707] greybus: registered new driver raw
[   20.886730] greybus: registered new driver vibrator
[   20.911010] NET: Registered protocol family 26
[   20.915826] NET: Registered protocol family 10
[   20.918600] Segment Routing with IPv6
[   20.920406] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[   20.922705] NET: Registered protocol family 17
[   20.923857] NET: Registered protocol family 9
[   20.924941] X25: Linux Version 0.2
[   20.928061] NET: Registered protocol family 6
[   20.935408] NET: Registered protocol family 11
[   20.936494] NET: Registered protocol family 3
[   20.937536] can: controller area network core (rev 20170425 abi 9)
[   20.938954] NET: Registered protocol family 29
[   20.939831] can: raw protocol (rev 20170425)
[   20.940836] can: broadcast manager protocol (rev 20170425 t)
[   20.942397] NET4: DECnet for Linux: V.2.5.68s (C) 1995-2003 Linux DECnet Project Team
[   20.944069] DECnet: Routing cache hash table of 512 buckets, 32Kbytes
[   20.945474] NET: Registered protocol family 12
[   20.946496] NET: Registered protocol family 35
[   20.947525] 8021q: 802.1Q VLAN Support v1.8
[   20.948494] 9pnet: Installing 9P2000 support
[   20.949686] NET: Registered protocol family 37
[   20.950787] NET: Registered protocol family 36
[   20.951765] Key type dns_resolver registered
[   20.966431] batman_adv: B.A.T.M.A.N. advanced 2018.1 (compatibility version 15) loaded
[   20.969010] ... APIC ID:      00000000 (0)
[   20.969843] ... APIC VERSION: 01050014
[   20.970039] 0000000000000000000000000000000000000000000000000000000000000000
[   20.970039] 0000000000000000000000000000000000000000000000000000000000000000
[   20.970039] 0000000000000000000000000000000000000000000000000000000020001000
[   20.974835] number of MP IRQ sources: 15.
[   20.975746] number of IO-APIC #0 registers: 24.
[   20.976825] testing the IO APIC.......................
[   20.978964] IO APIC #0......
[   20.979629] .... register #00: 00000000
[   20.980635] .......    : physical APIC id: 00
[   20.981746] .......    : Delivery Type: 0
[   20.982700] .......    : LTS          : 0
[   20.983603] .... register #01: 00170011
[   20.984510] .......     : max redirection entries: 17
[   20.985702] .......     : PRQ implemented: 0
[   20.986703] .......     : IO APIC version: 11
[   20.987720] .... register #02: 00000000
[   20.992686] .......     : arbitration: 00
[   20.993487] .... IRQ redirection table:
[   20.994292] IOAPIC 0:
[   20.995053]  pin00, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   20.996607]  pin01, enabled , edge , high, V(22), IRR(0), S(0), physical, D(00), M(0)
[   20.998225]  pin02, enabled , edge , high, V(30), IRR(0), S(0), physical, D(00), M(0)
[   21.000108]  pin03, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.001732]  pin04, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.003324]  pin05, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.004859]  pin06, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.006485]  pin07, enabled , edge , high, V(21), IRR(0), S(0), physical, D(00), M(0)
[   21.008022]  pin08, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.009535]  pin09, enabled , level, high, V(21), IRR(0), S(0), physical, D(01), M(0)
[   21.011151]  pin0a, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.012680]  pin0b, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.014227]  pin0c, enabled , edge , high, V(22), IRR(0), S(0), physical, D(01), M(0)
[   21.016071]  pin0d, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.017623]  pin0e, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.019196]  pin0f, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.020756]  pin10, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.022293]  pin11, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.023801]  pin12, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.025335]  pin13, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.026861]  pin14, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.028399]  pin15, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.029944]  pin16, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.031502]  pin17, disabled, edge , high, V(00), IRR(0), S(0), physical, D(00), M(0)
[   21.033042] IRQ to pin mappings:
[   21.033676] IRQ0 -> 0:2
[   21.034177] IRQ1 -> 0:1
[   21.034668] IRQ3 -> 0:3
[   21.035173] IRQ4 -> 0:4
[   21.035663] IRQ5 -> 0:5
[   21.036175] IRQ6 -> 0:6
[   21.036677] IRQ7 -> 0:7
[   21.037179] IRQ8 -> 0:8
[   21.037669] IRQ9 -> 0:9
[   21.038180] IRQ10 -> 0:10
[   21.038703] IRQ11 -> 0:11
[   21.039253] IRQ12 -> 0:12
[   21.039775] IRQ13 -> 0:13
[   21.040455] IRQ14 -> 0:14
[   21.041002] IRQ15 -> 0:15
[   21.041531] .................................... done.
[   21.042813] sched_clock: Marking stable (21042580966, 0)->(21725347680, -682766714)
[   21.046040] page_owner is disabled
[   21.048846] Key type trusted registered
[   21.050350] Key type encrypted registered
[   21.051820] console [netcon0] enabled
[   21.052596] netconsole: network logging started
[   21.059220] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   21.061003] 8021q: adding VLAN 0 to HW filter on device eth0
[   21.061932] IP-Config: Failed to open plip0
[   21.070690] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[   21.072259] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   21.090311] Sending DHCP requests ., OK
[   21.091972] IP-Config: Got DHCP answer from 10.0.2.2, my address is 10.0.2.15
[   21.093640] IP-Config: Complete:
[   21.094402]      device=eth0, hwaddr=52:54:00:12:34:56, ipaddr=10.0.2.15, mask=255.255.255.0, gw=10.0.2.2
[   21.096604]      host=vm-lkp-nex04-openwrt-ia32-19, domain=, nis-domain=(none)
[   21.098251]      bootserver=10.0.2.2, rootserver=10.0.2.2, rootpath=
[   21.098255]      nameserver0=10.0.2.3
[   21.103924] ALSA device list:
[   21.104587]   No soundcards found.
[   21.131382] Freeing unused kernel memory: 2804K
[   21.132454] Write protecting the kernel read-only data: 24576k
[   21.136726] Freeing unused kernel memory: 2028K
[   21.139966] Freeing unused kernel memory: 300K
[   21.203473] init: Console is alive
[   21.204308] init: - watchdog -
[   21.207672] kmodloader (182) used greatest stack depth: 13888 bytes left
[   21.470765] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input3
[   22.210552] init: - preinit -
[   22.237381] procd: - early -
[   22.238270] procd: - watchdog -
[   22.537747] udevtrigger (186) used greatest stack depth: 13656 bytes left
[   22.575955] hotplug-call (209) used greatest stack depth: 13632 bytes left
[   23.043708] procd: - ubus -
[   24.044092] random: ubusd: uninitialized urandom read (4 bytes read)
[   24.050209] random: ubusd: uninitialized urandom read (4 bytes read)
[   24.051665] random: ubusd: uninitialized urandom read (4 bytes read)
[   24.053808] procd: - init -
Please press Enter to activate this console.
[   24.161103] exe (631) used greatest stack depth: 13408 bytes left
[   25.407858] urandom_read: 4 callbacks suppressed
[   25.407861] random: uci: uninitialized urandom read (6 bytes read)
[   25.448316] random: uci: uninitialized urandom read (6 bytes read)
[   25.467444] random: uci: uninitialized urandom read (6 bytes read)
[   26.137679] 
[   26.137994] =============================
[   26.138522] WARNING: suspicious RCU usage
[   26.139128] 4.17.0-rc4-01248-g3416099 #1 Tainted: G        W        
[   26.140140] -----------------------------
[   26.140727] net/core/dev.c:2260 suspicious rcu_dereference_protected() usage!
[   26.142028] 
[   26.142028] other info that might help us debug this:
[   26.142028] 
[   26.143388] 
[   26.143388] rcu_scheduler_active = 2, debug_locks = 1
[   26.144263] 3 locks held by netifd/973:
[   26.144830]  #0:         (ptrval) (sb_writers#4){.+.+}, at: vfs_write+0xcd/0x1b0
[   26.145825]  #1:         (ptrval) (&of->mutex){+.+.}, at: kernfs_fop_write+0xb1/0x170
[   26.146930]  #2:         (ptrval) (kn->count#17){.+.+}, at: kernfs_fop_write+0xba/0x170
[   26.148084] 
[   26.148084] stack backtrace:
[   26.148655] CPU: 1 PID: 973 Comm: netifd Tainted: G        W         4.17.0-rc4-01248-g3416099 #1
[   26.149799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014
[   26.150951] Call Trace:
[   26.151288]  dump_stack+0xb0/0x10b
[   26.151741]  __netif_set_xps_queue+0x1cb/0xc00
[   26.152350]  ? __bitmap_parse+0x14d/0x1c0
[   26.152938]  xps_cpus_store+0x9f/0xe0
[   26.153421]  kernfs_fop_write+0xf0/0x170
[   26.153947]  __vfs_write+0x33/0x140
[   26.154410]  ? rcu_read_lock_sched_held+0x5f/0x90
[   26.155123]  ? rcu_sync_lockdep_assert+0x28/0x50
[   26.155744]  ? __sb_start_write+0x14e/0x1c0
[   26.156310]  ? vfs_write+0xcd/0x1b0
[   26.156783]  vfs_write+0xdf/0x1b0
[   26.157247]  ksys_write+0x55/0xc0
[   26.157699]  do_int80_syscall_32+0x73/0x220
[   26.158264]  entry_INT80_compat+0x71/0x80
[   26.165010] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   26.167173] 8021q: adding VLAN 0 to HW filter on device eth0
LKP: HOSTNAME vm-lkp-nex04-openwrt-ia32-19, MAC , kernel 4.17.0-rc4-01248-g3416099 1, serial console /dev/ttyS0
[   27.410153] Kernel tests: Boot OK!
[   27.410153] LKP: waiting for network...
[   28.230718] e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX
[   28.233430] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   29.430135] /lkp/lkp/src/bin/run-lkp
[   29.430135] RESULT_ROOT=/result/boot/1/vm-lkp-nex04-openwrt-ia32/openwrt-i386-2016-03-16.cgz/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/0
[   29.430135] job=/lkp/scheduled/vm-lkp-nex04-openwrt-ia32-19/boot-1-openwrt-i386-2016-03-16.cgz-3416099d53d9593ab1d374180e9cd2a71fa2f4d5-20180519-65944-14mjjk6-0.yaml
[   29.430135] run-job /lkp/scheduled/vm-lkp-nex04-openwrt-ia32-19/boot-1-openwrt-i386-2016-03-16.cgz-3416099d53d9593ab1d374180e9cd2a71fa2f4d5-20180519-65944-14mjjk6-0.yaml
[   29.430135] /bin/busybox wget -q http://inn:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/scheduled/vm-lkp-nex04-openwrt-ia32-19/boot-1-openwrt-i386-2016-03-16.cgz-3416099d53d9593ab1d374180e9cd2a71fa2f4d5-20180519-65944-14mjjk6-0.yaml&job_state=running -O /dev/null
[   29.430135] skip microcode check for virtual machine
[   31.470090] /bin/busybox wget -q http://inn:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/scheduled/vm-lkp-nex04-openwrt-ia32-19/boot-1-openwrt-i386-2016-03-16.cgz-3416099d53d9593ab1d374180e9cd2a71fa2f4d5-20180519-65944-14mjjk6-0.yaml&job_state=post_run -O /dev/null
[   32.679099] cat (1334) used greatest stack depth: 13344 bytes left
[   33.490117] kill 1334 cat /proc/kmsg 
[   33.490117] wait for background monitors: 1344 oom-killer
[   35.264972] sysrq: SysRq : Emergency Sync
[   35.266203] sysrq: SysRq : Resetting
[   35
Elapsed time: 40

#!/bin/bash

# To reproduce,
# 1) save job-script and this script (both are attached in 0day report email)
# 2) run this script with your compiled kernel and optional env $INSTALL_MOD_PATH

kernel=$1

initrds=(
	/osimage/openwrt/openwrt-i386-2016-03-16.cgz
	/lkp/lkp/lkp-i386.cgz
)

HTTP_PREFIX=https://github.com/0day-ci/lkp-qemu/raw/master
wget --timestamping "${initrds[@]/#/$HTTP_PREFIX}"

{
	cat "${initrds[@]//*\//}"
	[[ $INSTALL_MOD_PATH ]] && (
		cd "$INSTALL_MOD_PATH"
		find lib | cpio -o -H newc --quiet | gzip
	)
	echo  job-script | cpio -o -H newc --quiet | gzip
} > initrd.img

kvm=(
	qemu-system-x86_64
	-enable-kvm
	-kernel $kernel
	-initrd initrd.img
	-m 512
	-smp 2
	-device e1000,netdev=net0
	-netdev user,id=net0,hostfwd=tcp::23288-:22
	-boot order=nc
	-no-reboot
	-watchdog i6300esb
	-watchdog-action debug
	-rtc base=localtime
	-serial stdio
	-display none
	-monitor null
)

append=(
	ip=::::vm-lkp-nex04-openwrt-ia32-19::dhcp
	root=/dev/ram0
	user=lkp
	job=/job-script
	ARCH=x86_64
	kconfig=x86_64-randconfig-s1-05191730
	branch=linux-devel/devel-hourly-2018051913
	commit=3416099d53d9593ab1d374180e9cd2a71fa2f4d5
	BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/vmlinuz-4.17.0-rc4-01248-g3416099
	max_uptime=600
	RESULT_ROOT=/result/boot/1/vm-lkp-nex04-openwrt-ia32/openwrt-i386-2016-03-16.cgz/x86_64-randconfig-s1-05191730/gcc-6/3416099d53d9593ab1d374180e9cd2a71fa2f4d5/0
	result_service=tmpfs
	debug
	apic=debug
	sysrq_always_enabled
	rcupdate.rcu_cpu_stall_timeout=100
	net.ifnames=0
	printk.devkmsg=on
	panic=-1
	softlockup_panic=1
	nmi_watchdog=panic
	oops=panic
	load_ramdisk=2
	prompt_ramdisk=0
	drbd.minor_count=8
	systemd.log_level=err
	ignore_loglevel
	console=tty0
	earlyprintk=ttyS0,115200
	console=ttyS0,115200
	vga=normal
	rw
	drbd.minor_count=8
	rcuperf.shutdown=0
)

"${kvm[@]}" -append "${append[*]}"
