====================================== | [ 9.440254][ T184] softirqs last disabled at (32833): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.440257][ T184] Preemption disabled at: | [ 9.440257][ T184] 0x0 | [ 9.440269][ T184] Tainted: [W]=WARN [ 9.440269][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.440272][ T184] Call Trace: [ 9.440273][ T184] [ 9.440274][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.440280][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 9.440284][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.440287][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.440292][ T184] __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)) [ 9.440295][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.440301][ T184] ? 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) [ 9.440304][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.440307][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 9.440310][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.440316][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.440323][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.440326][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.440330][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.440334][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.440335][ T184] ? 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)) [ 9.440337][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.440341][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.440345][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.440349][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.440350][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.440355][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.440357][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.440359][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.440360][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.440364][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.440366][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.440369][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 9.440372][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.440375][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.440379][ T184] _printk (kernel/printk/printk.c:2504) [ 9.440382][ T184] ? snapshot_read.cold (user.c:?) [ 9.440385][ T184] ? 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) [ 9.440387][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.440391][ T184] ? 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) [ 9.440394][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.440398][ T184] ? exit_notify (kernel/exit.c:780) [ 9.440399][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.440402][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.440406][ T184] do_group_exit (kernel/exit.c:1151) [ 9.440409][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.440411][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.440413][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.440417][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.440420][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.440422][ T184] RIP: 0033:0x7f423f0511b8 [ 9.440424][ T184] Code: Unable to access opcode bytes at 0x7f423f05118e. Code starting with the faulting instruction =========================================== [ 9.440425][ T184] RSP: 002b:00007ffc5b3890a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.440428][ T184] RAX: ffffffffffffffda RBX: 00007f423f181f88 RCX: 00007f423f0511b8 [ 9.440429][ T184] RDX: 00007f423ed9bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.440430][ T184] RBP: 00007ffc5b389100 R08: 0000000000000000 R09: 0000000000000050 [ 9.440431][ T184] R10: 00007ffc5b388ec0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print