early console in setup code
early console in extract_kernel
input_data: 0x024ba079
input_len: 0x0067f687
output: 0x01000000
output_len: 0x012247c8
kernel_total_size: 0x01b51000
needed_size: 0x01b51000

Decompressing Linux... Parsing ELF... done.
Booting the kernel.
[    0.000000] Linux version 5.12.0-rc5-00001-g1a1c130ab757 (kbuild@a1e3a98951c5) (gcc-9 (Debian 9.3.0-22) 9.3.0, GNU ld (GNU Binutils for Debian) 2.35.2) #2 Mon Apr 5 22:01:44 CST 2021
[    0.000000] KERNEL supported cpus:
[    0.000000]   Intel GenuineIntel
[    0.000000]   AMD AuthenticAMD
[    0.000000]   Hygon HygonGenuine
[    0.000000]   NSC Geode by NSC
[    0.000000]   Cyrix CyrixInstead
[    0.000000]   Transmeta GenuineTMx86
[    0.000000]   Transmeta TransmetaCPU
[    0.000000]   UMC UMC UMC UMC
[    0.000000]   zhaoxin   Shanghai  
[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[    0.000000] 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 0x0000000000100000-0x00000000bffdffff] usable
[    0.000000] BIOS-e820: [mem 0x00000000bffe0000-0x00000000bfffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[    0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[    0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000043fffffff] usable
[    0.000000] printk: debug: ignoring loglevel setting.
[    0.000000] printk: bootconsole [earlyser0] enabled
[    0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
[    0.000000] Hypervisor detected: KVM
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000000] kvm-clock: cpu 0, msr 223c001, primary cpu clock
[    0.000000] kvm-clock: using sched offset of 1210461170 cycles
[    0.000460] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.001773] tsc: Detected 2394.374 MHz processor
[    0.003302] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.003874] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.004330] last_pfn = 0xbffe0 max_arch_pfn = 0x100000
[    0.004793] x86/PAT: PAT support disabled because CONFIG_X86_PAT is disabled in the kernel.
[    0.005478] x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WB  WT  UC- UC  
[    0.006005] Warning only 495MB will be used.
[    0.006328] Use a HIGHMEM enabled kernel.
[    0.006640] ACPI: Early table checksum verification disabled
[    0.007100] ACPI: RSDP 0x00000000000F5850 000014 (v00 BOCHS )
[    0.007580] ACPI: RSDT 0x00000000BFFE15C9 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.008281] ACPI: FACP 0x00000000BFFE149D 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.008976] ACPI: DSDT 0x00000000BFFE0040 00145D (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.009626] ACPI: FACS 0x00000000BFFE0000 000040
[    0.009988] ACPI: APIC 0x00000000BFFE1511 000080 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.010660] ACPI: HPET 0x00000000BFFE1591 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.011349] ACPI: Reserving FACP table memory at [mem 0xbffe149d-0xbffe1510]
[    0.011912] ACPI: Reserving DSDT table memory at [mem 0xbffe0040-0xbffe149c]
[    0.012487] ACPI: Reserving FACS table memory at [mem 0xbffe0000-0xbffe003f]
[    0.013068] ACPI: Reserving APIC table memory at [mem 0xbffe1511-0xbffe1590]
[    0.013636] ACPI: Reserving HPET table memory at [mem 0xbffe1591-0xbffe15c8]
[    0.014228] initial memory mapped: [mem 0x00000000-0x02ffffff]
[    0.014793] RAMDISK: [mem 0x765e7000-0x7fffffff]
[    0.015173] Allocated new RAMDISK: [mem 0x155e5000-0x1effdb57]
[    0.082555] Move RAMDISK from [mem 0x765e7000-0x7ffffb57] to [mem 0x155e5000-0x1effdb57]
[    0.083329] ACPI: Local APIC address 0xfee00000
[    0.083730] mapped APIC to         ffffc000 (        fee00000)
[    0.084229] 495MB LOWMEM available.
[    0.084561]   mapped low ram: 0 - 1effe000
[    0.084896]   low ram: 0 - 1effe000
[    0.085180] cma: dma_contiguous_reserve(limit 1effe000)
[    0.090529] Zone ranges:
[    0.090794]   DMA      [mem 0x0000000000001000-0x0000000000ffffff]
[    0.091332]   Normal   [mem 0x0000000001000000-0x000000001effdfff]
[    0.091880] Movable zone start for each node
[    0.092248] Early memory node ranges
[    0.092556]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.093098]   node   0: [mem 0x0000000000100000-0x00000000bffdffff]
[    0.093625] Initmem setup node 0 [mem 0x0000000000001000-0x00000000bffdffff]
[    0.094213] On node 0 totalpages: 126876
[    0.094537]   DMA zone: 32 pages used for memmap
[    0.094916]   DMA zone: 0 pages reserved
[    0.095238]   DMA zone: 3998 pages, LIFO batch:0
[    0.096098]   DMA zone: 12386 pages in unavailable ranges
[    0.096560]   Normal zone: 960 pages used for memmap
[    0.096977]   Normal zone: 122878 pages, LIFO batch:31
[    0.100646]   Normal zone: 4098 pages in unavailable ranges
[    0.101151] Using APIC driver default
[    0.101653] ACPI: PM-Timer IO Port: 0x608
[    0.101995] ACPI: Local APIC address 0xfee00000
[    0.102373] APIC: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored.
[    0.103007] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.103557] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.104204] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.104736] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
[    0.105338] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.105884] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
[    0.106467] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.107013] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
[    0.107614] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.108166] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
[    0.108774] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.109339] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
[    0.109938] ACPI: IRQ0 used by override.
[    0.110258] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
[    0.110858] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
[    0.111457] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
[    0.112080] ACPI: IRQ5 used by override.
[    0.112400] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
[    0.112977] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
[    0.113548] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
[    0.114145] ACPI: IRQ9 used by override.
[    0.114469] ACPI: IRQ10 used by override.
[    0.114787] ACPI: IRQ11 used by override.
[    0.115107] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
[    0.115702] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
[    0.116290] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
[    0.116865] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
[    0.117452] Using ACPI (MADT) for SMP configuration information
[    0.117934] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    0.118354] TSC deadline timer available
[    0.118664] mapped IOAPIC to ffffb000 (fec00000)
[    0.119074] kvm-guest: stealtime: cpu 0, msr 1c58d00
[    0.119522] [mem 0xc0000000-0xfeffbfff] available for PCI devices
[    0.120026] Booting paravirtualized kernel on KVM
[    0.120447] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns
[    0.121360] pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
[    0.121834] pcpu-alloc: [0] 0 
[    0.122123] Built 1 zonelists, mobility grouping on.  Total pages: 125884
[    0.122705] Kernel command line: ip=::::vm-snb-i386-159::dhcp root=/dev/ram0 user=lkp job=/lkp/jobs/scheduled/vm-snb-i386-159/trinity-group-00-99999-debian-i386-20191205.cgz-1a1c130ab7575498eed5bcf7220037ae09cd1f8a-20210405-18837-x8f8ax-5.yaml ARCH=i386 kconfig=i386-randconfig-a005-20210405 branch=linus/master commit=1a1c130ab7575498eed5bcf7220037ae09cd1f8a BOOT_IMAGE=/pkg/linux/i386-randconfig-a005-20210405/gcc-9/1a1c130ab7575498eed5bcf7220037ae09cd1f8a/vmlinuz-5.12.0-rc5-00001-g1a1c130ab757 vmalloc=512M max_uptime=2100 RESULT_ROOT=/result/trinity/group-00-99999/vm-snb-i386/debian-i386-20191205.cgz/i386-randconfig-a005-20210405/gcc-9/1a1c130ab7575498eed5bcf7220037ae09cd1f8a/3 LKP_SERVER=internal-lkp-server selinux=0 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 earlyprin
[    0.123428] sysrq: sysrq always enabled.
[    0.131256] ignoring the deprecated load_ramdisk= option
[    0.132209] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.132864] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear)
[    0.133531] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.136065] BUG: kernel NULL pointer dereference, address: 00000004
[    0.136596] #PF: supervisor read access in kernel mode
[    0.137003] #PF: error_code(0x0000) - not-present page
[    0.137431] *pde = 00000000 
[    0.137671] Oops: 0000 [#1]
[    0.137908] CPU: 0 PID: 0 Comm: swapper Not tainted 5.12.0-rc5-00001-g1a1c130ab757 #2
[    0.138567] EIP: get_pfnblock_flags_mask+0x2f/0x40
[    0.138971] Code: 55 89 e5 83 ec 08 89 5d f8 89 cb 89 d1 89 75 fc c1 ea 0e c1 e2 04 8b 82 84 77 95 c2 c1 e9 08 83 e1 3c 89 ce 83 e1 1f c1 ee 05 <8b> 04 b0 8b 75 fc d3 e8 21 d8 8b 5d f8 89 ec 5d c3 e8 27 dc e4 ff
[    0.140504] EAX: 00000000 EBX: 00000007 ECX: 0000001c EDX: 003faaa0
[    0.141025] ESI: 00000001 EDI: ffffffff EBP: c1c29e18 ESP: c1c29e10
[    0.141544] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210003
[    0.142096] CR0: 80050033 CR2: 00000004 CR3: 02226000 CR4: 00040690
[    0.142620] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[    0.143146] DR6: fffe0ff0 DR7: 00000400
[    0.143473] Call Trace:
[    0.143698]  __dump_page+0x65/0x1a0
[    0.143984]  ? find_held_lock+0x29/0x90
[    0.144300]  ? _raw_spin_unlock+0x1d/0x30
[    0.144633]  ? console_unlock+0x116/0x580
[    0.144960]  ? __next_mem_range_rev+0x7c/0x174
[    0.145339]  ? memblock_insert_region+0x2a/0x45
[    0.145762]  ? memblock_add_range+0x12d/0x137
[    0.146242]  ? memblock_reserve+0x48/0x4d
[    0.146570]  ? should_skip_region+0x5/0x50
[    0.146905]  ? __next_mem_range+0x75/0x1c0
[    0.147245]  dump_page+0x13/0x30
[    0.147536]  reserve_bootmem_region+0x58/0x7f
[    0.147953]  memblock_free_all+0x5d/0x15d
[    0.148376]  ? memblock_alloc_try_nid+0x57/0x72
[    0.148857]  mem_init+0x14/0xdb
[    0.149119]  start_kernel+0x1b3/0x438
[    0.149421]  i386_start_kernel+0x47/0x49
[    0.149744]  startup_32_smp+0x164/0x168
[    0.150071] Modules linked in:
[    0.150330] CR2: 0000000000000004
[    0.150589] random: get_random_bytes called from print_oops_end_marker+0x2f/0x50 with crng_init=0
[    0.150596] ---[ end trace 0000000000000000 ]---
[    0.151694] EIP: get_pfnblock_flags_mask+0x2f/0x40
[    0.152069] Code: 55 89 e5 83 ec 08 89 5d f8 89 cb 89 d1 89 75 fc c1 ea 0e c1 e2 04 8b 82 84 77 95 c2 c1 e9 08 83 e1 3c 89 ce 83 e1 1f c1 ee 05 <8b> 04 b0 8b 75 fc d3 e8 21 d8 8b 5d f8 89 ec 5d c3 e8 27 dc e4 ff
[    0.153617] EAX: 00000000 EBX: 00000007 ECX: 0000001c EDX: 003faaa0
[    0.154121] ESI: 00000001 EDI: ffffffff EBP: c1c29e18 ESP: c1c29e10
[    0.154630] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210003
[    0.155180] CR0: 80050033 CR2: 00000004 CR3: 02226000 CR4: 00040690
[    0.155716] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[    0.156243] DR6: fffe0ff0 DR7: 00000400
[    0.156541] Kernel panic - not syncing: Fatal exception

Kboot worker: lkp-worker50
Elapsed time: 60

kvm=(
	qemu-system-i386
	-enable-kvm
	-cpu SandyBridge
	-kernel $kernel
	-initrd initrd-vm-snb-i386-159.cgz
	-m 16384
	-smp 2
	-device e1000,netdev=net0
	-netdev user,id=net0,hostfwd=tcp::32032-:22
	-boot order=nc
	-no-reboot
	-watchdog i6300esb
	-watchdog-action debug
	-rtc base=localtime
	-serial stdio
	-display none
	-monitor null
)

append=(
	ip=::::vm-snb-i386-159::dhcp
	root=/dev/ram0
	user=lkp
	job=/job-script
	ARCH=i386
	kconfig=i386-randconfig-a005-20210405
	branch=linus/master
	commit=1a1c130ab7575498eed5bcf7220037ae09cd1f8a
	BOOT_IMAGE=/pkg/linux/i386-randconfig-a005-20210405/gcc-9/1a1c130ab7575498eed5bcf7220037ae09cd1f8a/vmlinuz-5.12.0-rc5-00001-g1a1c130ab757
	vmalloc=512M
	max_uptime=2100
	RESULT_ROOT=/result/trinity/group-00-99999/vm-snb-i386/debian-i386-20191205.cgz/i386-randconfig-a005-20210405/gcc-9/1a1c130ab7575498eed5bcf7220037ae09cd1f8a/3
	result_service=tmpfs
	selinux=0
	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
	rcuperf.shutdown=0
	watchdog_thresh=240
)

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