====================================== | [ 10.973590][ T207] softirqs last disabled at (39361): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.973592][ T207] Preemption disabled at: | [ 10.973592][ T207] 0x0 | [ 10.973602][ T207] Tainted: [W]=WARN [ 10.973603][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.973605][ T207] Call Trace: [ 10.973606][ T207] [ 10.973608][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.973614][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 10.973619][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.973623][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.973628][ T207] __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)) [ 10.973630][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.973637][ T207] ? 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) [ 10.973639][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.973643][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 10.973646][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.973648][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.973653][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.973658][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.973666][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.973669][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.973671][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.973675][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.973679][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.973680][ T207] ? 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)) [ 10.973683][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.973686][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.973689][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.973693][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.973695][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.973700][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.973703][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.973704][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.973707][ T207] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.973710][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.973712][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.973715][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 10.973719][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.973722][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.973725][ T207] _printk (kernel/printk/printk.c:2504) [ 10.973729][ T207] ? snapshot_read.cold (user.c:?) [ 10.973732][ T207] ? 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) [ 10.973734][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.973738][ T207] ? 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) [ 10.973741][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.973745][ T207] ? exit_notify (kernel/exit.c:780) [ 10.973747][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.973749][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.973753][ T207] do_group_exit (kernel/exit.c:1151) [ 10.973757][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.973759][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.973761][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.973765][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.973768][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.973771][ T207] RIP: 0033:0x7ff66bd621b8 [ 10.973773][ T207] Code: Unable to access opcode bytes at 0x7ff66bd6218e. Code starting with the faulting instruction =========================================== [ 10.973774][ T207] RSP: 002b:00007fffd32923a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.973776][ T207] RAX: ffffffffffffffda RBX: 00007ff66be92f88 RCX: 00007ff66bd621b8 [ 10.973778][ T207] RDX: 00007ff66baacfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.973779][ T207] RBP: 00007fffd3292400 R08: 0000000000000000 R09: 0000000000000000 [ 10.973779][ T207] R10: 00007fffd32921c0 R11: 0000000000000246 R12: 0000000000000001 [ 10.973780][ T207] R13: 0000000000000000 R14: 00007ff66be91680 R15: 00007ff66be92fa0 | [ 32.422396][ T920] softirqs last disabled at (547763): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 32.422398][ T920] Preemption disabled at: | [ 32.422399][ T920] 0x0 | [ 32.422410][ T920] Tainted: [W]=WARN [ 32.422411][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.422413][ T920] Call Trace: [ 32.422414][ T920] [ 32.422416][ T920] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.422422][ T920] __might_resched.cold (kernel/sched/core.c:9234) [ 32.422426][ T920] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.422430][ T920] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.422435][ T920] __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)) [ 32.422437][ T920] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.422444][ T920] ? 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) [ 32.422446][ T920] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.422450][ T920] put_chars (drivers/char/virtio_console.c:1176) [ 32.422453][ T920] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.422455][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.422460][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.422465][ T920] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.422473][ T920] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.422475][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.422478][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.422482][ T920] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.422485][ T920] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.422487][ T920] ? 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)) [ 32.422490][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.422492][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.422496][ T920] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.422500][ T920] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.422502][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.422507][ T920] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.422509][ T920] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.422511][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.422513][ T920] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.422517][ T920] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.422518][ T920] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.422522][ T920] vprintk_emit (kernel/printk/printk.c:2479) [ 32.422525][ T920] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.422528][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.422532][ T920] _printk (kernel/printk/printk.c:2504) [ 32.422536][ T920] ? snapshot_read.cold (user.c:?) [ 32.422539][ T920] ? 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) [ 32.422541][ T920] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.422545][ T920] ? 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) [ 32.422547][ T920] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 32.422551][ T920] ? exit_notify (kernel/exit.c:780) [ 32.422553][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.422556][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.422560][ T920] do_group_exit (kernel/exit.c:1151) [ 32.422563][ T920] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 32.422565][ T920] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 32.422567][ T920] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.422571][ T920] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.422574][ T920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.422577][ T920] RIP: 0033:0x7fde2fe331b8 [ 32.422579][ T920] Code: Unable to access opcode bytes at 0x7fde2fe3318e. Code starting with the faulting instruction =========================================== [ 32.422580][ T920] RSP: 002b:00007ffe5631e628 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 32.422583][ T920] RAX: ffffffffffffffda RBX: 00007fde2ff63f88 RCX: 00007fde2fe331b8 [ 32.422584][ T920] RDX: 00007fde2fd70a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 32.422585][ T920] RBP: 00007ffe5631e680 R08: 0000000000000000 R09: 0000000000000000 [ 32.422586][ T920] R10: 00007ffe5631e4c0 R11: 0000000000000246 R12: 0000000000000001 [ 32.422587][ T920] R13: 0000000000000000 R14: 00007fde2ff62680 R15: 00007fde2ff63fa0 | [ 55.912254][ T1468] softirqs last disabled at (16235): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 55.912257][ T1468] Preemption disabled at: | [ 55.912257][ T1468] 0x0 | [ 55.912270][ T1468] Tainted: [W]=WARN [ 55.912271][ T1468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.912273][ T1468] Call Trace: [ 55.912274][ T1468] [ 55.912276][ T1468] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.912282][ T1468] __might_resched.cold (kernel/sched/core.c:9234) [ 55.912287][ T1468] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.912291][ T1468] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 55.912296][ T1468] __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)) [ 55.912298][ T1468] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.912305][ T1468] ? 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) [ 55.912307][ T1468] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.912311][ T1468] put_chars (drivers/char/virtio_console.c:1176) [ 55.912315][ T1468] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.912317][ T1468] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 55.912321][ T1468] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 55.912327][ T1468] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.912335][ T1468] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.912337][ T1468] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.912340][ T1468] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.912343][ T1468] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.912347][ T1468] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.912349][ T1468] ? 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)) [ 55.912352][ T1468] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.912354][ T1468] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.912358][ T1468] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.912362][ T1468] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.912364][ T1468] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.912369][ T1468] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.912372][ T1468] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.912374][ T1468] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.912376][ T1468] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 55.912380][ T1468] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.912381][ T1468] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.912385][ T1468] vprintk_emit (kernel/printk/printk.c:2479) [ 55.912388][ T1468] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.912392][ T1468] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 55.912396][ T1468] _printk (kernel/printk/printk.c:2504) [ 55.912399][ T1468] ? snapshot_read.cold (user.c:?) [ 55.912402][ T1468] ? 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) [ 55.912405][ T1468] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.912409][ T1468] ? 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) [ 55.912412][ T1468] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 55.912416][ T1468] ? exit_notify (kernel/exit.c:780) [ 55.912418][ T1468] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 55.912421][ T1468] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.912425][ T1468] do_group_exit (kernel/exit.c:1151) [ 55.912429][ T1468] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 55.912431][ T1468] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 55.912433][ T1468] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 55.912437][ T1468] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 55.912440][ T1468] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.912442][ T1468] RIP: 0033:0x7f4feb4ac1b8 [ 55.912445][ T1468] Code: Unable to access opcode bytes at 0x7f4feb4ac18e. Code starting with the faulting instruction =========================================== [ 55.912446][ T1468] RSP: 002b:00007fffb9d8ddf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 55.912448][ T1468] RAX: ffffffffffffffda RBX: 00007f4feb5dcf88 RCX: 00007f4feb4ac1b8 [ 55.912450][ T1468] RDX: 00007f4feb3bcdc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 55.912451][ T1468] RBP: 00007fffb9d8de50 R08: 0000000000000000 R09: 0000000000000120 [ 55.912452][ T1468] R10: 00007fffb9d8dc50 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print