====================================== | [ 11.478083][ T204] softirqs last disabled at (29175): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.478087][ T204] Preemption disabled at: | [ 11.478088][ T204] 0x0 | [ 11.478101][ T204] Tainted: [W]=WARN [ 11.478102][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.478104][ T204] Call Trace: [ 11.478106][ T204] [ 11.478109][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.478117][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 11.478123][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.478129][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.478136][ T204] __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)) [ 11.478139][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.478154][ T204] ? 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) [ 11.478157][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.478164][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 11.478168][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.478170][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.478176][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.478185][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.478199][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.478204][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.478207][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.478215][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.478222][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.478224][ T204] ? 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)) [ 11.478230][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.478233][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.478240][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.478247][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.478250][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.478259][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.478264][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.478267][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.478270][ T204] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.478277][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.478280][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.478285][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 11.478290][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.478296][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.478302][ T204] _printk (kernel/printk/printk.c:2504) [ 11.478307][ T204] ? snapshot_read.cold (user.c:?) [ 11.478312][ T204] ? 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) [ 11.478316][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.478323][ T204] ? 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) [ 11.478327][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.478333][ T204] ? exit_notify (kernel/exit.c:780) [ 11.478335][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.478339][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.478346][ T204] do_group_exit (kernel/exit.c:1151) [ 11.478351][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.478354][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.478357][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.478362][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.478366][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.478370][ T204] RIP: 0033:0x7f4c10a811b8 [ 11.478373][ T204] Code: Unable to access opcode bytes at 0x7f4c10a8118e. Code starting with the faulting instruction =========================================== [ 11.478374][ T204] RSP: 002b:00007ffe2cca7e28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.478377][ T204] RAX: ffffffffffffffda RBX: 00007f4c10bb1f88 RCX: 00007f4c10a811b8 [ 11.478379][ T204] RDX: 00007f4c107cbfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.478381][ T204] RBP: 00007ffe2cca7e80 R08: 0000000000000000 R09: 0000000000000050 [ 11.478382][ T204] R10: 00007ffe2cca7c40 R11: 0000000000000246 R12: 0000000000000001 [ 11.478384][ T204] R13: 0000000000000000 R14: 00007f4c10bb0680 R15: 00007f4c10bb1fa0 | [ 187.916168][ T9601] softirqs last disabled at (16857): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 187.916172][ T9601] Preemption disabled at: | [ 187.916173][ T9601] 0x0 | [ 187.916186][ T9601] Tainted: [W]=WARN [ 187.916187][ T9601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 187.916194][ T9601] Call Trace: [ 187.916196][ T9601] [ 187.916199][ T9601] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 187.916207][ T9601] __might_resched.cold (kernel/sched/core.c:9234) [ 187.916214][ T9601] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 187.916220][ T9601] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 187.916227][ T9601] __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)) [ 187.916230][ T9601] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 187.916241][ T9601] ? 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) [ 187.916245][ T9601] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 187.916251][ T9601] put_chars (drivers/char/virtio_console.c:1176) [ 187.916255][ T9601] ? __send_to_port (drivers/char/virtio_console.c:654) [ 187.916257][ T9601] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 187.916263][ T9601] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 187.916273][ T9601] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 187.916285][ T9601] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 187.916289][ T9601] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.916292][ T9601] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 187.916300][ T9601] console_emit_next_record (kernel/printk/printk.c:3183) [ 187.916306][ T9601] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 187.916309][ T9601] ? 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)) [ 187.916315][ T9601] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.916318][ T9601] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 187.916325][ T9601] console_flush_one_record (kernel/printk/printk.c:3268) [ 187.916332][ T9601] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 187.916335][ T9601] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 187.916345][ T9601] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 187.916350][ T9601] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 187.916353][ T9601] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.916356][ T9601] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 187.916363][ T9601] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 187.916366][ T9601] ? vprintk_emit (kernel/printk/printk.c:2478) [ 187.916371][ T9601] vprintk_emit (kernel/printk/printk.c:2479) [ 187.916377][ T9601] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 187.916382][ T9601] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 187.916389][ T9601] _printk (kernel/printk/printk.c:2504) [ 187.916394][ T9601] ? snapshot_read.cold (user.c:?) [ 187.916398][ T9601] ? 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) [ 187.916403][ T9601] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 187.916410][ T9601] ? 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) [ 187.916414][ T9601] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 187.916420][ T9601] ? exit_notify (kernel/exit.c:780) [ 187.916422][ T9601] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 187.916427][ T9601] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 187.916434][ T9601] do_group_exit (kernel/exit.c:1151) [ 187.916439][ T9601] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 187.916442][ T9601] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 187.916446][ T9601] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 187.916451][ T9601] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 187.916456][ T9601] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 187.916459][ T9601] RIP: 0033:0x7f820d6581b8 [ 187.916462][ T9601] Code: Unable to access opcode bytes at 0x7f820d65818e. Code starting with the faulting instruction =========================================== [ 187.916464][ T9601] RSP: 002b:00007ffed112bc08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 187.916468][ T9601] RAX: ffffffffffffffda RBX: 00007f820d788f88 RCX: 00007f820d6581b8 [ 187.916470][ T9601] RDX: 00007f820cdee3c8 RSI: ffffffffffffffb0 RDI: 0000000000000001 [ 187.916471][ T9601] RBP: 00007ffed112bc60 R08: 0000000000000000 R09: 0000000000000000 [ 187.916473][ T9601] R10: 00007ffed112ba40 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print