[ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.15.0-rc7-next-20250521-00086-ga9fb18e56aad (klara@soda.int.kasm.eu) (armv6j-unknown-linux-gnueabihf-gcc (Gentoo 15.1.0 p55) 15.1.0, GNU ld (Gentoo 2.44 p1) 2.44.0) #263 Wed May 21 23:48:00 CEST 2025 [ 0.000000] CPU: ARMv6-compatible processor [410fb767] revision 7 (ARMv7), cr=00c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache [ 0.000000] OF: fdt: Machine model: Raspberry Pi Model B Rev 2 [ 0.000000] earlycon: pl11 at MMIO32 0x20201000 (options '') [ 0.000000] printk: legacy bootconsole [pl11] enabled [ 0.000000] Memory policy: Data cache writeback [ 0.000000] Reserved memory: created CMA memory pool at 0x1b000000, size 64 MiB [ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool [ 0.000000] OF: reserved mem: 0x1b000000..0x1effffff (65536 KiB) map reusable linux,cma [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000000000-0x000000001effffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x000000001effffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x000000001effffff] [ 0.000000] CPU: All CPU(s) started in SVC mode. [ 0.000000] Kernel command line: bootargs_pre=coherent_pool=6M smsc95xx.turbo_mode=N dwc_otg.lpm_enable=0 console=tty0 console=ttyAMA0,115200 kgdboc=ttyAMA0,115200 root=/dev/mmcblk0p2 rw rootfstype=nilfs2 rootflags=discard earlycon=pl011,mmio32,0x20201000 [ 0.000000] Unknown kernel command line parameters "bootargs_pre=coherent_pool=6M", will be passed to user space. [ 0.000000] printk: log buffer data + meta data: 16384 + 51200 = 67584 bytes [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear) [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 126976 [ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off [ 0.000000] SLUB: HWalign=32, Order=0-1, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] ftrace: allocating 33191 entries in 65 pages [ 0.000000] ftrace: allocated 65 pages with 2 groups [ 0.000000] RCU Tasks Rude: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 0.000000] RCU Tasks Trace: Setting shift to 0 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=1. [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000013] sched_clock: 32 bits at 1000kHz, resolution 1000ns, wraps every 2147483647500ns [ 0.008502] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns [ 0.017997] bcm2835: system timer (irq = 27) [ 0.023325] kfence: initialized - using 2097152 bytes for 255 objects at 0x(ptrval)-0x(ptrval) [ 0.032532] Console: colour dummy device 80x30 [ 0.037075] printk: legacy console [tty0] enabled [ 0.043066] Calibrating delay loop... 697.95 BogoMIPS (lpj=3489792) [ 0.108806] CPU: Testing write buffer coherency: ok [ 0.113907] pid_max: default: 4096 minimum: 301 [ 0.118984] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.126496] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.135751] ------------[ cut here ]------------ [ 0.140554] WARNING: CPU: 0 PID: 0 at mm/percpu.c:1766 pcpu_alloc_noprof (mm/percpu.c:1766 (discriminator 2)) [ 0.148469] illegal size (0) or align (4) for percpu allocation [ 0.154511] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.15.0-rc7-next-20250521-00086-ga9fb18e56aad #263 NONE [ 0.164999] Hardware name: BCM2835 [ 0.168456] Call trace: [ 0.168485] unwind_backtrace from show_stack (arch/arm/kernel/traps.c:259) [ 0.176410] show_stack from dump_stack_lvl (lib/dump_stack.c:122) [ 0.181574] dump_stack_lvl from __warn (kernel/panic.c:729 kernel/panic.c:784) [ 0.186379] __warn from warn_slowpath_fmt (kernel/panic.c:815) [ 0.191448] warn_slowpath_fmt from pcpu_alloc_noprof (mm/percpu.c:1766 (discriminator 2)) [ 0.197674] pcpu_alloc_noprof from ss_rstat_init (kernel/cgroup/rstat.c:515) [ 0.203393] ss_rstat_init from cgroup_init_subsys (kernel/cgroup/cgroup.c:6134 (discriminator 2)) [ 0.209267] cgroup_init_subsys from cgroup_init (kernel/cgroup/cgroup.c:6240) [ 0.215049] cgroup_init from start_kernel (init/main.c:1093) [ 0.220315] start_kernel from 0x0 [ 0.223837] ---[ end trace 0000000000000000 ]--- [ 0.228555] ------------[ cut here ]------------ [ 0.233239] kernel BUG at kernel/cgroup/cgroup.c:6134! [ 0.238450] Internal error: Oops - BUG: 0 [#1] ARM [ 0.243323] CPU: 0 UID: 0 PID: 0 Comm: swapper Tainted: G W 6.15.0-rc7-next-20250521-00086-ga9fb18e56aad #263 NONE [ 0.255389] Tainted: [W]=WARN [ 0.258403] Hardware name: BCM2835 [ 0.261856] PC is at cgroup_init_subsys (kernel/cgroup/cgroup.c:6134 (discriminator 3)) [ 0.266747] LR is at pcpu_alloc_noprof (mm/percpu.c:1766 (discriminator 2)) [ 0.271640] pc : lr : psr: a0000053 [ 0.277988] sp : c0d01f70 ip : 00000000 fp : c0d296fc [ 0.283283] r10: c0d29704 r9 : c0d2a2e8 r8 : c0d29788 [ 0.288579] r7 : 00000000 r6 : c0d2a2d8 r5 : c0ddc590 r4 : c0d6d894 [ 0.295189] r3 : c0d08c80 r2 : 00000000 r1 : 00000000 r0 : fffffff4 [ 0.301800] Flags: NzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none [ 0.309121] Control: 00c5387d Table: 00004008 DAC: 00000051 [ 0.314940] Register r0 information: non-paged memory [ 0.320077] Register r1 information: NULL pointer [ 0.324858] Register r2 information: NULL pointer [ 0.329637] Register r3 information: non-slab/vmalloc memory [ 0.335384] Register r4 information: non-slab/vmalloc memory [ 0.341130] Register r5 information: non-slab/vmalloc memory [ 0.346875] Register r6 information: non-slab/vmalloc memory [ 0.352620] Register r7 information: NULL pointer [ 0.357399] Register r8 information: non-slab/vmalloc memory [ 0.363141] Register r9 information: non-slab/vmalloc memory [ 0.368885] Register r10 information: non-slab/vmalloc memory [ 0.374716] Register r11 information: non-slab/vmalloc memory [ 0.380549] Register r12 information: NULL pointer [ 0.385416] Process swapper (pid: 0, stack limit = 0x(ptrval)) [ 0.391330] Stack: (0xc0d01f70 to 0xc0d02000) [ 0.395761] 1f60: c0d6d894 00000002 c0d296f4 c0dc2278 [ 0.404053] 1f80: c0d29788 c0c0ff40 dafff19e c0c1953c c0d2b618 c0d12e18 c0d088e0 c0dba048 [ 0.412344] 1fa0: dafff180 00000000 c0dba024 c0d088e0 c0d08960 c0dba010 dafff19e c0c016bc [ 0.420635] 1fc0: ffffffff ffffffff 00000000 c0c00694 00000000 00000000 c0c34f28 00000000 [ 0.428921] 1fe0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 0.437197] Call trace: [ 0.437219] cgroup_init_subsys from cgroup_init (kernel/cgroup/cgroup.c:6240) [ 0.445566] cgroup_init from start_kernel (init/main.c:1093) [ 0.450828] start_kernel from 0x0 [ 0.454326] Code: e1a00004 eb0001bb e3500000 0a000001 (e7f001f2) All code ======== 0: e1a00004 mov r0, r4 4: eb0001bb bl 0x6f8 8: e3500000 cmp r0, #0 c: 0a000001 beq 0x18 10:* e7f001f2 udf #18 <-- trapping instruction Code starting with the faulting instruction =========================================== 0: e7f001f2 udf #18 [ 0.460550] ---[ end trace 0000000000000000 ]--- [ 0.465252] Kernel panic - not syncing: Attempted to kill the idle task! [ 0.472066] Rebooting in 30 seconds..