On Mon, Oct 10, 2022 at 7:35 PM Mark Brown <broonie@xxxxxxxxxx> wrote: > > On Fri, Oct 07, 2022 at 11:35:25PM +0900, Masahiro Yamada wrote: > > > I suspect "+debug" in "multi_v7_defconfig+debug" > > because the failure log says "ftrace bug" multiple times. > > > Which config options does "+debug" enable? > > > Can you share the .config file? > > The baseline config and fragment are both in: > > https://storage.kernelci.org/next/master/next-20221004/arm/multi_v7_defconfig%2Bdebug/gcc-10/config/ Thanks for sharing the .config file. With it applied, I can reproduce the boot error. And, I see the same boot error on v6.0-rc7, which my branch is based on. So, arm is already broken in the mainline, and my kbuild patches are irrelevant. Also, please check the bisection logic of kernelci. I attached the boot log of v6.0-rc7 below. ("Linux version 6.0.0-rc7" in the kernel log) Thanks. + qemu-system-arm -cpu cortex-a15 -machine virt-2.11,gic-version=3 -m 1024 -kernel /home/masahiro/tools/qemu-arm_virt/kernel -initrd /home/masahiro/tools/qemu-arm_virt/initrd -drive file=fat:rw:/home/masahiro/tools/qemu-arm_virt/disk-shared,if=none,format=raw,id=drive0 -netdev bridge,id=netdev0,br=virbr0,helper=/usr/lib/qemu/qemu-bridge-helper -serial stdio -monitor vc:800x600 -device virtio-blk-pci,drive=drive0 -device virtio-net-pci,netdev=netdev0 -append console=ttyAMA0 [ 0.000000][ T0] Booting Linux on physical CPU 0x0 [ 0.000000][ T0] Linux version 6.0.0-rc7 (masahiro@zoe) (arm-linux-gnueabi-gcc (GCC) 12.1.0, GNU ld (GNU Binutils) 2.38) #5 SMP Mon Oct 10 22:10:35 JST 2022 [ 0.000000][ T0] CPU: ARMv7 Processor [412fc0f1] revision 1 (ARMv7), cr=10c5387d [ 0.000000][ T0] CPU: div instructions available: patching division code [ 0.000000][ T0] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000][ T0] OF: fdt: Machine model: linux,dummy-virt [ 0.000000][ T0] Memory policy: Data cache writealloc [ 0.000000][ T0] efi: UEFI not found. [ 0.000000][ T0] cma: Reserved 64 MiB at 0x7c000000 [ 0.000000][ T0] Zone ranges: [ 0.000000][ T0] DMA [mem 0x0000000040000000-0x000000006fffffff] [ 0.000000][ T0] Normal empty [ 0.000000][ T0] HighMem [mem 0x0000000070000000-0x000000007fffffff] [ 0.000000][ T0] Movable zone start for each node [ 0.000000][ T0] Early memory node ranges [ 0.000000][ T0] node 0: [mem 0x0000000040000000-0x000000007fffffff] [ 0.000000][ T0] Initmem setup node 0 [mem 0x0000000040000000-0x000000007fffffff] [ 0.000000][ T0] kasan: Truncating shadow for memory block at 0x40000000-0x80000000 to lowmem region at 0x70000000 [ 0.000000][ T0] kasan: Mapping kernel virtual memory block: c0000000-f0000000 at shadow: b7000000-bd000000 [ 0.000000][ T0] kasan: Mapping kernel virtual memory block: bf000000-c0000000 at shadow: b6e00000-b7000000 [ 0.000000][ T0] kasan: Kernel address sanitizer initialized [ 0.000000][ T0] psci: probing for conduit method from DT. [ 0.000000][ T0] psci: PSCIv0.2 detected in firmware. [ 0.000000][ T0] psci: Using standard PSCI v0.2 function IDs [ 0.000000][ T0] psci: Trusted OS migration not required [ 0.000000][ T0] percpu: Embedded 17 pages/cpu s37876 r8192 d23564 u69632 [ 0.000000][ T0] Built 1 zonelists, mobility grouping on. Total pages: 260608 [ 0.000000][ T0] Kernel command line: console=ttyAMA0 [ 0.000000][ T0] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) [ 0.000000][ T0] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000][ T0] mem auto-init: stack:all(zero), heap alloc:off, heap free:off [ 0.000000][ T0] stackdepot hash table entries: 1048576 (order: 10, 4194304 bytes, linear) [ 0.000000][ T0] Memory: 243724K/1048576K available (55296K kernel code, 11177K rwdata, 18244K rodata, 3072K init, 10742K bss, 739316K reserved, 65536K cma-reserved, 196608K highmem) [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000][ T0] ftrace: allocating 61066 entries in 180 pages [ 0.000000][ T0] ------------[ cut here ]------------ [ 0.000000][ T0] WARNING: CPU: 0 PID: 0 at arch/arm/kernel/insn.c:48 __arm_gen_branch+0x74/0x7c [ 0.000000][ T0] Modules linked in: [ 0.000000][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 6.0.0-rc7 #5 [ 0.000000][ T0] Hardware name: Generic DT based system [ 0.000000][ T0] unwind_backtrace from show_stack+0x18/0x1c [ 0.000000][ T0] show_stack from dump_stack_lvl+0x70/0xb0 [ 0.000000][ T0] dump_stack_lvl from __warn+0x1e0/0x48c [ 0.000000][ T0] __warn from warn_slowpath_fmt+0xcc/0x134 [ 0.000000][ T0] warn_slowpath_fmt from __arm_gen_branch+0x74/0x7c [ 0.000000][ T0] __arm_gen_branch from ftrace_make_nop+0x10c/0x240 [ 0.000000][ T0] ftrace_make_nop from ftrace_process_locs+0x4ac/0x8c8 [ 0.000000][ T0] ftrace_process_locs from ftrace_init+0xa8/0x180 [ 0.000000][ T0] ftrace_init from start_kernel+0x178/0x3a8 [ 0.000000][ T0] start_kernel from 0x0 [ 0.000000][ T0] irq event stamp: 0 [ 0.000000][ T0] hardirqs last enabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] hardirqs last disabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] softirqs last enabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] softirqs last disabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] ---[ end trace 0000000000000000 ]--- [ 0.000000][ T0] ------------[ ftrace bug ]------------ [ 0.000000][ T0] ftrace failed to modify [ 0.000000][ T0] [<c232b6c8>] check_cmd_set+0x8/0x244 [ 0.000000][ T0] actual: 1f:7e:0d:eb [ 0.000000][ T0] Initializing ftrace call sites [ 0.000000][ T0] ftrace record flags: 0 [ 0.000000][ T0] (0) [ 0.000000][ T0] expected tramp: c032b384 [ 0.000000][ T0] ------------[ cut here ]------------ [ 0.000000][ T0] WARNING: CPU: 0 PID: 0 at kernel/trace/ftrace.c:2120 ftrace_bug+0x320/0x38c [ 0.000000][ T0] Modules linked in: [ 0.000000][ T0] CPU: 0 PID: 0 Comm: swapper Tainted: G W 6.0.0-rc7 #5 [ 0.000000][ T0] Hardware name: Generic DT based system [ 0.000000][ T0] unwind_backtrace from show_stack+0x18/0x1c [ 0.000000][ T0] show_stack from dump_stack_lvl+0x70/0xb0 [ 0.000000][ T0] dump_stack_lvl from __warn+0x1e0/0x48c [ 0.000000][ T0] __warn from warn_slowpath_fmt+0xcc/0x134 [ 0.000000][ T0] warn_slowpath_fmt from ftrace_bug+0x320/0x38c [ 0.000000][ T0] ftrace_bug from ftrace_process_locs+0x8c0/0x8c8 [ 0.000000][ T0] ftrace_process_locs from ftrace_init+0xa8/0x180 [ 0.000000][ T0] ftrace_init from start_kernel+0x178/0x3a8 [ 0.000000][ T0] start_kernel from 0x0 [ 0.000000][ T0] irq event stamp: 0 [ 0.000000][ T0] hardirqs last enabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] hardirqs last disabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] softirqs last enabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] softirqs last disabled at (0): [<00000000>] 0x0 [ 0.000000][ T0] ---[ end trace 0000000000000000 ]--- [ 0.000000][ T0] ftrace: allocated 179 pages with 5 groups [ 0.000000][ T0] trace event string verifier disabled [ 0.000000][ T0] Running RCU self tests [ 0.000000][ T0] rcu: Hierarchical RCU implementation. [ 0.000000][ T0] rcu: RCU event tracing is enabled. [ 0.000000][ T0] rcu: RCU lockdep checking is enabled. [ 0.000000][ T0] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=1. [ 0.000000][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 0.000000][ T0] Rude variant of Tasks RCU enabled. [ 0.000000][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000][ T0] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000][ T0] GICv3: 224 SPIs implemented [ 0.000000][ T0] GICv3: 0 Extended SPIs implemented [ 0.000000][ T0] GICv3: GICv3 features: 16 PPIs [ 0.000000][ T0] GICv3: CPU0: found redistributor 0 region 0:0x080a0000 [ 0.000000][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 0.000000][ T0] arch_timer: cp15 timer(s) running at 62.50MHz (virt). [ 0.000000][ T0] clocksource: arch_sys_counter: mask: 0x1ffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns [ 0.000131][ T0] sched_clock: 57 bits at 63MHz, resolution 16ns, wraps every 4398046511096ns [ 0.000345][ T0] Switching to timer-based delay loop, resolution 16ns [ 0.022661][ T0] Console: colour dummy device 80x30 [ 0.023663][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.023698][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.023724][ T0] ... MAX_LOCK_DEPTH: 48 [ 0.023744][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 0.023763][ T0] ... CLASSHASH_SIZE: 4096 [ 0.023780][ T0] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.023796][ T0] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.023812][ T0] ... CHAINHASH_SIZE: 32768 [ 0.023828][ T0] memory used by lock dependency info: 4061 kB [ 0.023846][ T0] memory used for stack traces: 2112 kB [ 0.023864][ T0] per task-struct memory footprint: 1536 bytes [ 0.026140][ T0] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) [ 0.026342][ T0] pid_max: default: 32768 minimum: 301 [ 0.037995][ T0] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.038163][ T0] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) [ 0.090792][ T0] CPU: Testing write buffer coherency: ok [ 0.094569][ T0] CPU0: Spectre v2: firmware did not set auxiliary control register IBE bit, system vulnerable [ 0.094718][ T0] CPU0: Spectre BHB: enabling loop workaround for all CPUs [ 0.118342][ T1] /cpus/cpu@0 missing clock-frequency property [ 0.118989][ T1] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.148451][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 0.149021][ T1] cblist_init_generic: Setting shift to 0 and lim to 1. [ 0.152188][ T1] Running RCU-tasks wait API self tests [ 0.153928][ T1] Setting up static identity map for 0x40300000 - 0x403000ac [ 0.159343][ T10] Callback from call_rcu_tasks_rude() invoked. [ 0.161023][ T1] rcu: Hierarchical SRCU implementation. [ 0.161074][ T1] rcu: Max phase no-delay instances is 1000. [ 0.252842][ T1] EFI services will not be available. [ 0.271339][ T1] smp: Bringing up secondary CPUs ... [ 0.271508][ T1] smp: Brought up 1 node, 1 CPU [ 0.271655][ T1] SMP: Total of 1 processors activated (125.00 BogoMIPS). [ 0.271736][ T1] CPU: All CPU(s) started in SVC mode. [ 0.309434][ T1] devtmpfs: initialized [ 0.541181][ T1] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 [ 0.594425][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.595491][ T1] futex hash table entries: 256 (order: 2, 16384 bytes, linear) [ 0.616188][ T1] pinctrl core: initialized pinctrl subsystem [ 0.714541][ T1] DMI not present or invalid. [ 0.744673][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.784366][ T1] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.898919][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 0.900853][ T1] cpuidle: using governor menu [ 0.909869][ T1] No ATAGs? [ 0.911758][ T15] hw-breakpoint: CPU 0 debug is powered down! [ 0.987167][ T1] Serial: AMBA PL011 UART driver [ 1.291555][ T1] 9000000.pl011: ttyAMA0 at MMIO 0x9000000 (irq = 28, base_baud = 0) is a PL011 rev1 [ 1.318988][ T1] printk: console [ttyAMA0] enabled [ 3.249051][ T1] iommu: Default domain type: Translated [ 3.249309][ T1] iommu: DMA domain TLB invalidation policy: strict mode [ 3.299995][ T1] SCSI subsystem initialized [ 3.370300][ T1] usbcore: registered new interface driver usbfs [ 3.373579][ T1] usbcore: registered new interface driver hub [ 3.375785][ T1] usbcore: registered new device driver usb [ 3.431672][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.431947][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx> [ 3.433518][ T1] PTP clock support registered [ 3.438143][ T1] EDAC MC: Ver: 3.0.0 [ 3.581025][ T1] vgaarb: loaded [ 3.603786][ T1] clocksource: Switched to clocksource arch_sys_counter [ 7.305343][ T1] NET: Registered PF_INET protocol family [ 7.310851][ T1] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 7.339760][ T1] tcp_listen_portaddr_hash hash table entries: 512 (order: 2, 20480 bytes, linear) [ 7.341016][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 7.341745][ T1] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) [ 7.343032][ T1] TCP bind hash table entries: 8192 (order: 6, 327680 bytes, linear) [ 7.345920][ T1] TCP: Hash tables configured (established 8192 bind 8192) [ 7.362779][ T2] kthreadd invoked oom-killer: gfp_mask=0x40cc0(GFP_KERNEL|__GFP_COMP), order=1, oom_score_adj=0 [ 7.363723][ T2] CPU: 0 PID: 2 Comm: kthreadd Tainted: G W 6.0.0-rc7 #5 [ 7.363998][ T2] Hardware name: Generic DT based system [ 7.364324][ T2] unwind_backtrace from show_stack+0x18/0x1c [ 7.365084][ T2] show_stack from dump_stack_lvl+0x90/0xb0 [ 7.365198][ T2] dump_stack_lvl from dump_header+0x13c/0x688 [ 7.365306][ T2] dump_header from out_of_memory+0x8c4/0x9f0 [ 7.365408][ T2] out_of_memory from __alloc_pages_may_oom+0x298/0x438 [ 7.365517][ T2] __alloc_pages_may_oom from __alloc_pages_slowpath.constprop.0+0x854/0x10a8 [ 7.365635][ T2] __alloc_pages_slowpath.constprop.0 from __alloc_pages+0x630/0x768 [ 7.365773][ T2] __alloc_pages from alloc_slab_page+0x64/0x8c [ 7.365871][ T2] alloc_slab_page from allocate_slab+0x1f0/0x268 [ 7.365998][ T2] allocate_slab from ___slab_alloc.constprop.0+0x77c/0xcd4 [ 7.366138][ T2] ___slab_alloc.constprop.0 from __slab_alloc.constprop.0+0x2c/0x3c [ 7.366292][ T2] __slab_alloc.constprop.0 from kmem_cache_alloc+0x258/0x45c [ 7.366432][ T2] kmem_cache_alloc from dup_task_struct+0x38/0x74c [ 7.366565][ T2] dup_task_struct from copy_process+0x53c/0x5048 [ 7.366695][ T2] copy_process from kernel_clone+0xec/0xa98 [ 7.366822][ T2] kernel_clone from kernel_thread+0xd4/0x104 [ 7.366940][ T2] kernel_thread from kthreadd+0x34c/0x4f4 [ 7.367061][ T2] kthreadd from ret_from_fork+0x14/0x2c [ 7.367195][ T2] Exception stack(0xf0833fb0 to 0xf0833ff8) [ 7.367458][ T2] 3fa0: 00000000 00000000 00000000 00000000 [ 7.367595][ T2] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 7.367719][ T2] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 7.367947][ T2] Mem-Info: [ 7.368456][ T2] active_anon:0 inactive_anon:0 isolated_anon:0 [ 7.368456][ T2] active_file:0 inactive_file:0 isolated_file:0 [ 7.368456][ T2] unevictable:0 dirty:0 writeback:0 [ 7.368456][ T2] slab_reclaimable:2219 slab_unreclaimable:6009 [ 7.368456][ T2] mapped:0 shmem:0 pagetables:0 bounce:0 [ 7.368456][ T2] kernel_misc_reclaimable:0 [ 7.368456][ T2] free:67525 free_pcp:271 free_cma:16320 [ 7.370314][ T2] Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:448kB pagetables:0kB all_unreclaimable? no [ 7.371128][ T2] DMA free:8744kB boost:8192kB min:9060kB low:9276kB high:9492kB reserved_highatomic:16384KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:47116kB mlocked:0kB bounce:0kB free_pcp:1036kB local_pcp:1036kB free_cma:0kB [ 7.371610][ T2] lowmem_reserve[]: 0 0 256 256 [ 7.371906][ T2] HighMem free:261356kB boost:0kB min:256kB low:1460kB high:2664kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:262144kB managed:262144kB mlocked:0kB bounce:0kB free_pcp:48kB local_pcp:48kB free_cma:65280kB [ 7.372300][ T2] lowmem_reserve[]: 0 0 0 0 [ 7.372570][ T2] DMA: 2*4kB (M) 2*8kB (MH) 3*16kB (MH) 3*32kB (M) 2*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (M) 2*1024kB (MH) 2*2048kB (M) 0*4096kB 0*8192kB = 8744kB [ 7.373576][ T2] HighMem: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 1*64kB (U) 1*128kB (U) 2*256kB (UC) 1*512kB (C) 2*1024kB (UC) 2*2048kB (UC) 2*4096kB (UC) 30*8192kB (MC) = 261356kB [ 7.374320][ T2] 0 total pagecache pages [ 7.374460][ T2] 0 pages in swap cache [ 7.374590][ T2] Free swap = 0kB [ 7.374697][ T2] Total swap = 0kB [ 7.374915][ T2] 262144 pages RAM [ 7.375011][ T2] 65536 pages HighMem/MovableOnly [ 7.375114][ T2] 184829 pages reserved [ 7.375206][ T2] 16384 pages cma reserved [ 7.375417][ T2] Unreclaimable slab info: [ 7.375711][ T2] Name Used Total [ 7.376044][ T2] bio-164 10KB 11KB [ 7.376250][ T2] bio-120 0KB 3KB [ 7.376390][ T2] biovec-max 110KB 117KB [ 7.376532][ T2] dmaengine-unmap-256 1KB 15KB [ 7.376665][ T2] dmaengine-unmap-128 0KB 7KB [ 7.376787][ T2] dmaengine-unmap-16 0KB 4KB [ 7.376909][ T2] dmaengine-unmap-2 0KB 4KB [ 7.377041][ T2] skbuff_head_cache 8KB 11KB [ 7.377180][ T2] proc_dir_entry 42KB 43KB [ 7.377318][ T2] shmem_inode_cache 82KB 83KB [ 7.377440][ T2] kernfs_node_cache 978KB 980KB [ 7.377566][ T2] mnt_cache 4KB 7KB [ 7.377688][ T2] names_cache 363KB 367KB [ 7.377810][ T2] nsproxy 0KB 3KB [ 7.377943][ T2] mm_struct 0KB 7KB [ 7.378069][ T2] fs_cache 0KB 4KB [ 7.378192][ T2] files_cache 0KB 4KB [ 7.378317][ T2] signal_cache 29KB 31KB [ 7.378440][ T2] sighand_cache 43KB 46KB [ 7.378915][ T2] task_struct 122KB 122KB [ 7.379084][ T2] cred_jar 7KB 8KB [ 7.379222][ T2] pid 7KB 8KB [ 7.379349][ T2] trace_event_file 157KB 160KB [ 7.379473][ T2] ftrace_event_field 391KB 393KB [ 7.379603][ T2] pool_workqueue 9KB 15KB [ 7.379721][ T2] vmap_area 8KB 11KB [ 7.379849][ T2] debug_objects_cache 178KB 180KB [ 7.379977][ T2] kmemleak_scan_area 2KB 3KB [ 7.380105][ T2] kmemleak_object 9091KB 9091KB [ 7.380267][ T2] kmalloc-8k 48KB 48KB [ 7.380389][ T2] kmalloc-4k 6732KB 6744KB [ 7.380505][ T2] kmalloc-2k 174KB 180KB [ 7.380626][ T2] kmalloc-1k 477KB 480KB [ 7.380746][ T2] kmalloc-512 337KB 345KB [ 7.380861][ T2] kmalloc-256 29KB 30KB [ 7.380984][ T2] kmalloc-192 85KB 86KB [ 7.381108][ T2] kmalloc-128 192KB 195KB [ 7.381230][ T2] kmalloc-64 988KB 992KB [ 7.381352][ T2] kmem_cache_node 26KB 28KB [ 7.381475][ T2] kmem_cache 33KB 33KB [ 7.381643][ T2] Tasks state (memory values in pages): [ 7.381765][ T2] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 7.382110][ T2] Out of memory and no killable processes... [ 7.382452][ T2] Kernel panic - not syncing: System is deadlocked on memory [ 7.382695][ T2] CPU: 0 PID: 2 Comm: kthreadd Tainted: G W 6.0.0-rc7 #5 [ 7.382859][ T2] Hardware name: Generic DT based system [ 7.382990][ T2] unwind_backtrace from show_stack+0x18/0x1c [ 7.383145][ T2] show_stack from dump_stack_lvl+0x70/0xb0 [ 7.383277][ T2] dump_stack_lvl from panic+0x234/0x5b0 [ 7.383401][ T2] panic from out_of_memory+0x958/0x9f0 [ 7.383525][ T2] out_of_memory from __alloc_pages_may_oom+0x298/0x438 [ 7.383655][ T2] __alloc_pages_may_oom from __alloc_pages_slowpath.constprop.0+0x854/0x10a8 [ 7.383813][ T2] __alloc_pages_slowpath.constprop.0 from __alloc_pages+0x630/0x768 [ 7.383965][ T2] __alloc_pages from alloc_slab_page+0x64/0x8c [ 7.384066][ T2] alloc_slab_page from allocate_slab+0x1f0/0x268 [ 7.384194][ T2] allocate_slab from ___slab_alloc.constprop.0+0x77c/0xcd4 [ 7.384337][ T2] ___slab_alloc.constprop.0 from __slab_alloc.constprop.0+0x2c/0x3c [ 7.384491][ T2] __slab_alloc.constprop.0 from kmem_cache_alloc+0x258/0x45c [ 7.384641][ T2] kmem_cache_alloc from dup_task_struct+0x38/0x74c [ 7.384777][ T2] dup_task_struct from copy_process+0x53c/0x5048 [ 7.384906][ T2] copy_process from kernel_clone+0xec/0xa98 [ 7.385029][ T2] kernel_clone from kernel_thread+0xd4/0x104 [ 7.385157][ T2] kernel_thread from kthreadd+0x34c/0x4f4 [ 7.385280][ T2] kthreadd from ret_from_fork+0x14/0x2c [ 7.385398][ T2] Exception stack(0xf0833fb0 to 0xf0833ff8) [ 7.385518][ T2] 3fa0: 00000000 00000000 00000000 00000000 [ 7.385683][ T2] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 7.385833][ T2] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 7.386915][ T2] ---[ end Kernel panic - not syncing: System is deadlocked on memory ]--- -- Best Regards Masahiro Yamada
