====================================== | [ 10.280212][ T232] softirqs last disabled at (30897): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.280214][ T232] Preemption disabled at: | [ 10.280215][ T232] 0x0 | [ 10.280225][ T232] Tainted: [W]=WARN [ 10.280226][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.280227][ T232] Call Trace: [ 10.280229][ T232] [ 10.280231][ T232] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.280236][ T232] __might_resched.cold (kernel/sched/core.c:9234) [ 10.280240][ T232] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.280243][ T232] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.280248][ T232] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.280251][ T232] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.280257][ T232] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.280259][ T232] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.280262][ T232] put_chars (drivers/char/virtio_console.c:1176) [ 10.280265][ T232] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.280267][ T232] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.280271][ T232] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.280276][ T232] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.280283][ T232] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.280285][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.280287][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.280291][ T232] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.280294][ T232] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.280296][ T232] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.280298][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.280300][ T232] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.280304][ T232] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.280308][ T232] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.280309][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.280314][ T232] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.280316][ T232] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.280318][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.280320][ T232] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.280323][ T232] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.280325][ T232] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.280328][ T232] vprintk_emit (kernel/printk/printk.c:2479) [ 10.280332][ T232] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.280335][ T232] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.280339][ T232] _printk (kernel/printk/printk.c:2504) [ 10.280343][ T232] ? snapshot_read.cold (user.c:?) [ 10.280346][ T232] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.280349][ T232] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.280353][ T232] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.280356][ T232] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.280359][ T232] ? exit_notify (kernel/exit.c:780) [ 10.280361][ T232] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.280363][ T232] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.280367][ T232] do_group_exit (kernel/exit.c:1151) [ 10.280370][ T232] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.280372][ T232] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.280375][ T232] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.280378][ T232] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.280381][ T232] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.280383][ T232] RIP: 0033:0x7ffba7e9a1b8 [ 10.280385][ T232] Code: Unable to access opcode bytes at 0x7ffba7e9a18e. Code starting with the faulting instruction =========================================== [ 10.280386][ T232] RSP: 002b:00007ffc6151f368 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.280389][ T232] RAX: ffffffffffffffda RBX: 00007ffba7fcaf88 RCX: 00007ffba7e9a1b8 [ 10.280390][ T232] RDX: 00007ffba7be5588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.280391][ T232] RBP: 00007ffc6151f3c0 R08: 0000000000000000 R09: 0000000000000000 [ 10.280391][ T232] R10: 00007ffc6151f160 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print