Source: linux Version: 6.12.74-2 Severity: important Trying to boot the latest -armmp kernel on a Mele A1000G Quad results in no MMC or USB devices and hence the machine being unbootable due to the kernel waiting on PMIC regulators that never appear:
[ 14.331812] platform 1c0f000.mmc: deferred probe pending: platform: wait for supplier /soc/i2c@1f03400/pmic@68/regulators/dcdc1 [ 14.331851] platform 1c19400.phy: deferred probe pending: platform: wait for supplier /soc/i2c@1f03400/pmic@68/regulators/aldo1 [ 14.331865] platform 1c1a000.usb: deferred probe pending: platform: supplier 1c19400.phy not ready [ 14.331877] platform 1c1b000.usb: deferred probe pending: platform: supplier 1c19400.phy not ready [ 14.331888] platform 1c19000.usb: deferred probe pending: platform: supplier 1c19400.phy not ready Previous -armmp kernels in at least Bookworm have worked OK on this machine. I've tried both generating a custom debootstrapped image using vmdb2 and booting debian-installer from a USB stick and both behave the same way. Full kernel log (with glitches due to being pulled over a UART): [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.12.73+deb13-armmp ([email protected]) (arm-linux-gnueabihf-gcc-14 (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44) #1 SMP Debian 6.12.73-1 (2026-02-17) [ 0.000000] CPU: ARMv7 Processor [410fc073] revision 3 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Mele A1000G Quad top set box [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 16 MiB at 0xbf000000 on node -1 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000040000000-0x000000006fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000070000000-0x00000000bfffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] OF: reserved mem: Reserved memory: No reserved-memory node in the DT [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: Using PSCI v0.1 Function IDs from DT [ 0.000000] percpu: Embedded 20 pages/cpu s50508 r8192 d23220 u81920 [ 0.000000] pcpu-alloc: s50508 r8192 d23220 u81920 alloc=20*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [ 0.000000] Kernel command line: console=ttyS0,115200 [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 524288 [ 0.000000] allocated 2097152 bytes of page_ext [ 0.000000] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] ftrace: allocating 44018 entries in 130 pages [ 0.000000] ftrace: allocated 129 pages with 2 groups [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: [4CRCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4. [ 0.000000] Rude variant of Tasks RCU enabled. [ 0.000000] Tracing variant of Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] RCU Tasks Rude: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.000000] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] GIC: Using split EOI/Deactivate mode [ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns [ 0.000002] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns [ 0.000017] Switching to timer-based delay loop, resolution 41ns [ 0.001009] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns [ 0.003044] Console: colour dummy device 80x25 [ 0.003138] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=96000) [ 0.003157] CPU: Testing write buffer coherency: ok [ 0.003227] pid_max: default: 32768 minimum: 301 [ 0.011388] LSM: initializing lsm=lockdown,capability,landlock,yama,apparmor,tomoyo,bpf,ipe,ima,evm [ 0.014442] landlock: Up and running. [ 0.014448] Yama: disabled by default; enable with sysctl kernel.yama.* [ 0.014770] AppArmor: AppArmor initialized [ 0.014845] TOMOYO Linux initialized [ 0.015374] LSM support for eBPF active [ 0.017486] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.017506] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.023609] /cpus/cpu@0 missing clock-frequency property [ 0.023649] /cpus/cpu@1 missing clock-frequency property [ 0.023670] /cpus/cpu@2 missing clock-frequency property [ 0.023692] /cpus/cpu@3 missing clock-frequency property [ 0.023705] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.025836] Setting up static identity map for 0x40300000 - 0x403000ac [ 0.026786] rcu: Hierarchical SRCU implementation. [ 0.026794] rcu: [4CMax phase no-delay instances is 1000. [ 0.027211] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level [ 0.029172] EFI services will not be available. [ 0.029732] smp: Bringing up secondary CPUs ... [ 0.040904] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.052332] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.063518] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.063674] smp: Brought up 1 node, 4 CPUs [ 0.063685] SMP: Total of 4 processors activated (192.00 BogoMIPS). [ 0.063695] CPU: All CPU(s) started in HYP mode. [ 0.063699] CPU: Virtualization extensions available. [ 0.064722] Memory: 2015532K/2097152K available (12288K kernel code, 1801K rwdata, 4188K rodata, 2048K init, 427K bss, 61480K reserved, 16384K cma-reserved, 1294336K highmem) [ 0.066412] devtmpfs: initialized [ 0.075334] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 3 [ 0.075794] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.075852] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) [ 0.081697] pinctrl core: initialized pinctrl subsystem [ 0.082768] DMI not present or invalid. [ 0.084856] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.090820] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.091926] audit: initializing netlink subsys (disabled) [ 0.092305] audit: type=2000 audit(0.068:1): state=initialized audit_enabled=0 res=1 [ 0.093918] thermal_sys: Registered thermal governor 'fair_share' [ 0.093927] thermal_sys: Registered thermal governor 'bang_bang' [ 0.093933] thermal_sys: Registered thermal governor 'step_wise' [ 0.093939] thermal_sys: Registered thermal governor 'user_space' [ 0.093944] thermal_sys: Registered thermal governor 'power_allocator' [ 0.094092] No ATAGs? [ 0.094286] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 0.094298] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 0.096647] Serial: AMBA PL011 UART driver [ 0.103139] /soc/lcd-controller@1c0c000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.103309] /soc/lcd-controller@1c0c000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.103485] /soc/lcd-controller@1c0d000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.103669] /soc/lcd-controller@1c0d000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.103902] /soc/interrupt-controller@1c81000: Fixed dependency cycle(s) with /soc/interrupt-controller@1c81000 [ 0.104066] /soc/display-frontend@1e00000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.104227] /soc/display-frontend@1e00000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.104401] /soc/display-frontend@1e20000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.104562] /soc/display-frontend@1e20000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.104682] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.104768] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/display-frontend@1e20000 [ 0.104854] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/display-frontend@1e00000 [ 0.104954] /soc/drc@1e50000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0d000 [ 0.105041] /soc/drc@1e50000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0c000 [ 0.105148] /soc/drc@1e50000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.105268] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.105354] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/display-frontend@1e20000 [ 0.105441] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/display-frontend@1e00000 [ 0.105541] /soc/drc@1e70000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0d000 [ 0.105628] /soc/drc@1e70000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0c000 [ 0.105734] /soc/drc@1e70000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.106580] /soc/lcd-controller@1c0c000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.106766] /soc/lcd-controller@1c0c000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.107172] /soc/lcd-controller@1c0d000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.107355] /soc/lcd-controller@1c0d000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.112577] /soc/display-frontend@1e00000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.112647] /soc/display-frontend@1e00000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.113061] /soc/display-frontend@1e20000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.113127] /soc/display-frontend@1e20000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.113507] /soc/display-frontend@1e20000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.113642] /soc/display-frontend@1e00000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.113798] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.113839] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/display-frontend@1e20000 [ 0.113944] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/display-frontend@1e00000 [ 0.114369] /soc/display-backend@1e40000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.114498] /soc/lcd-controller@1c0d000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.114623] /soc/lcd-controller@1c0c000: Fixed dependency cycle(s) with /soc/drc@1e50000 [ 0.114778] /soc/drc@1e50000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0d000 [ 0.114881] /soc/drc@1e50000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0c000 [ 0.114991] /soc/drc@1e50000: Fixed dependency cycle(s) with /soc/display-backend@1e40000 [ 0.115425] /soc/display-frontend@1e20000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.115551] /soc/display-frontend@1e00000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.115680] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.115720] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/display-frontend@1e20000 [ 0.115850] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/display-frontend@1e00000 [ 0.116314] /soc/display-backend@1e60000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.116437] /soc/lcd-controller@1c0d000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.116556] /soc/lcd-controller@1c0c000: Fixed dependency cycle(s) with /soc/drc@1e70000 [ 0.116654] /soc/drc@1e70000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0d000 [ 0.116777] /soc/drc@1e70000: Fixed dependency cycle(s) with /soc/lcd-controller@1c0c000 [ 0.116911] /soc/drc@1e70000: Fixed dependency cycle(s) with /soc/display-backend@1e60000 [ 0.121082] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible. [ 0.134053] iommu: Default domain type: Translated [ 0.134073] iommu: DMA domain TLB invalidation policy: strict mode [ 0.135539] pps_core: LinuxPPS API ver. 1 registered [ 0.135548] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <[email protected]> [ 0.135569] PTP clock support registered [ 0.137589] NetLabel: Initializing [ 0.137599] NetLabel: domain hash size = 128 [ 0.137605] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.137746] NetLabel: unlabeled traffic allowed by default [ 0.138237] vgaarb: loaded [ 0.138708] clocksource: Switched to clocksource arch_sys_counter [ 0.145375] VFS: Disk quotas dquot_6.6.0 [ 0.145656] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.146885] AppArmor: AppArmor Filesystem Enabled [ 0.162171] NET: Registered PF_INET protocol family [ 0.162450] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.165338] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear) [ 0.165470] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.165602] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 0.165745] TCP bind hash table entries: 8192 (order: 5, 131072 bytes, linear) [ 0.166113] TCP: Hash tables configured (established 8192 bind 8192) [ 0.167068] MPTCP token hash table entries: 1024 (order: 2, 16384 bytes, linear) [ 0.167415] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) [ 0.167475] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) [ 0.168083] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.168150] NET: Registered PF_XDP protocol family [ 0.168170] PCI: CLS 0 bytes, default 64 [ 0.168919] Trying to unpack rootfs image as initramfs... [ 0.229788] Initialise system trusted keyrings [ 0.229905] Key type blacklist registered [ 0.230425] workingset: timestamp_bits=14 max_order=19 bucket_order=5 [ 0.230536] zbud: loaded [ 0.235731] fuse: init (API version 7.41) [ 0.237413] integrity: Platform Keyring initialized [ 0.237458] integrity: Machine keyring initialized [ 0.558261] Key type asymmetric registered [ 0.558299] Asymmetric key parser 'x509' registered [ 1.228581] Freeing initrd memory: 18064K [ 1.246889] bounce: pool size: 64 pages [ 1.247394] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 248) [ 1.247662] io scheduler mq-deadline registered [ 1.263217] ledtrig-cpu: registered to indicate activity on CPUs [ 1.274023] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled [ 1.277971] Serial: AMBA driver [ 1.278599] STM32 USART driver initialized [ 1.286530] mousedev: PS/2 mouse device common for all mice [ 1.289195] sun6i-rtc 1f00000.rtc: registered as rtc0 [ 1.289241] sun6i-rtc 1f00000.rtc: setting system clock to 1970-01-01T00:00:41 UTC (41) [ 1.292606] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 ns [ 1.294074] armv7-pmu pmu: hw perfevents: no interrupt-affinity property, guessing. [ 1.294677] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 (8000000f) counters available [ 1.296924] NET: Registered PF_INET6 protocol family [ 1.313584] Segment Routing with IPv6 [ 1.313736] In-situ OAM (IOAM) with IPv6 [ 1.313858] mip6: Mobile IPv6 [ 1.313891] NET: Registered PF_PACKET protocol family [ 1.314161] mpls_gso: MPLS GSO support [ 1.314337] ThumbEE CPU extension supported. [ 1.314353] Registering SWP/SWPB emulation handler [ 1.327523] registered taskstats version 1 [ 1.328091] Loading compiled-in X.509 certificates [ 1.612549] Loaded X.509 cert 'Build time autogenerated kernel key: a4ed3bc60327976dbaf0a86bdf402b473e0c636a' [ 1.626393] Key type .fscrypt registered [ 1.626404] Key type fscrypt-provisioning registered [ 1.683286] Key type encrypted registered [ 1.683320] AppArmor: AppArmor sha256 policy hashing enabled [ 1.683384] ima: No TPM chip found, activating TPM-bypass! [ 1.683394] ima: Allocated hash algorithm: sha256 [ 1.683471] ima: No architecture policies found [ 1.683569] evm: Initialising EVM extended attributes: [ 1.683575] evm: security.selinux [ 1.683580] evm: security.SMACK64 (disabled) [ 1.683585] evm: security.SMACK64EXEC (disabled) [ 1.683589] evm: security.SMACK64TRANSMUTE (disabled) [ 1.683594] evm: security.SMACK64MMAP (disabled) [ 1.683599] evm: security.apparmor [ 1.683603] evm: security.ima [ 1.683607] evm: security.capability [ 1.683611] evm: HMAC attrs: 0x1 [ 1.710250] gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 1.760381] sun6i-a31-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver [ 1.761516] gpio gpiochip1: Static allocation of GPIO base is deprecated, use dynamic allocation. [ 1.794364] sun6i-a31-r-pinctrl 1f02c00.pinctrl: initialized sunXi PIO driver [ 1.800549] sun6i-a31-pinctrl 1c20800.pinctrl: supply vcc-ph not found, using dummy regulator [ 1.808809] printk: legacy console [ttyS0] disabled [ 1.829832] 1c28000.serial: ttyS0 at MMIO 0x1c28000 (irq = 234, base_baud = 1500000) is a U6_16550A [ 1.830272] printk: legacy console [ttyS0] enabled [ 3.340242] sun6i-a31-pinctrl 1c20800.pinctrl: supply vcc-pc not found, using dummy regulator [ 3.343553] clk: Disabling unused clocks [ 3.352957] PM: genpd: Disabling unused power domains [ 3.374027] Freeing unused kernel image (initmem) memory: 2048K [ 3.380423] Run /init as init process [ 3.384120] with arguments: [ 3.384134] /init [ 3.384143] with environment: [ 3.384151] HOME=/ [ 3.384159] TERM=linux [ 3.852037] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0) [ 3.988881] usbcore: registered new interface driver usbfs [ 3.994634] usbcore: registered new interface driver hub [ 4.000160] usbcore: registered new device driver usb [ 7.879315] random: crng init done [ 14.331812] platform 1c0f000.mmc: deferred probe pending: platform: wait for supplier /soc/i2c@1f03400/pmic@68/regulators/dcdc1 [ 14.331851] platform 1c19400.phy: deferred probe pending: platform: wait for supplier /soc/i2c@1f03400/pmic@68/regulators/aldo1 [ 14.331865] platform 1c1a000.usb: deferred probe pending: platform: supplier 1c19400.phy not ready [ 14.331877] platform 1c1b000.usb: deferred probe pending: platform: supplier 1c19400.phy not ready [ 14.331888] platform 1c19000.usb: deferred probe pending: platform: supplier 1c19400.phy not ready [ 17.060970] SCSI subsystem initialized [ 17.139890] usbcore: registered new interface driver usb-storage [ 17.440499] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log. [ 17.440773] device-mapper: uevent: version 1.0.3 [ 17.441277] device-mapper: ioctl: 4.48.0-ioctl (2023-03-01) initialised: [email protected] [ 19.699581] loop: module loaded [ 33.782754] usb1-vbus: disabling

