====================================== | [ 25.571872][ T782] softirqs last disabled at (43777): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.571874][ T782] Preemption disabled at: | [ 25.571875][ T782] 0x0 | [ 25.571885][ T782] Tainted: [W]=WARN [ 25.571886][ T782] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.571887][ T782] Call Trace: [ 25.571889][ T782] [ 25.571891][ T782] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.571897][ T782] __might_resched.cold (kernel/sched/core.c:9234) [ 25.571902][ T782] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.571905][ T782] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.571910][ T782] __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)) [ 25.571912][ T782] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.571919][ T782] ? 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) [ 25.571921][ T782] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.571925][ T782] put_chars (drivers/char/virtio_console.c:1176) [ 25.571929][ T782] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.571931][ T782] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.571935][ T782] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.571940][ T782] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.571948][ T782] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.571950][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.571953][ T782] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.571956][ T782] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.571960][ T782] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.571962][ T782] ? 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)) [ 25.571965][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.571967][ T782] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.571971][ T782] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.571975][ T782] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.571976][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.571981][ T782] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.571984][ T782] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.571986][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.571988][ T782] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.571991][ T782] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.571993][ T782] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.571996][ T782] vprintk_emit (kernel/printk/printk.c:2479) [ 25.572000][ T782] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.572005][ T782] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.572009][ T782] _printk (kernel/printk/printk.c:2504) [ 25.572013][ T782] ? snapshot_read.cold (user.c:?) [ 25.572015][ T782] ? 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) [ 25.572018][ T782] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.572021][ T782] ? 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) [ 25.572024][ T782] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.572027][ T782] ? exit_notify (kernel/exit.c:780) [ 25.572029][ T782] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.572032][ T782] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.572036][ T782] do_group_exit (kernel/exit.c:1151) [ 25.572039][ T782] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.572042][ T782] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.572043][ T782] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.572047][ T782] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.572050][ T782] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.572052][ T782] RIP: 0033:0x7fd80ec7d1b8 [ 25.572055][ T782] Code: Unable to access opcode bytes at 0x7fd80ec7d18e. Code starting with the faulting instruction =========================================== [ 25.572056][ T782] RSP: 002b:00007ffdd70f5458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.572058][ T782] RAX: ffffffffffffffda RBX: 00007fd80edadf88 RCX: 00007fd80ec7d1b8 [ 25.572060][ T782] RDX: 00007fd80eb8ddc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 25.572060][ T782] RBP: 00007ffdd70f54b0 R08: 0000000000000000 R09: 0000000000000030 [ 25.572061][ T782] R10: 00007ffdd70f52b0 R11: 0000000000000246 R12: 0000000000000002 [ 25.572062][ T782] R13: 0000000000000000 R14: 00007fd80edac680 R15: 00007fd80edadfa0 | [ 28.486915][ T826] softirqs last disabled at (299583): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 28.486917][ T826] Preemption disabled at: | [ 28.486918][ T826] 0x0 | [ 28.486928][ T826] Tainted: [W]=WARN [ 28.486929][ T826] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.486931][ T826] Call Trace: [ 28.486933][ T826] [ 28.486934][ T826] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.486940][ T826] __might_resched.cold (kernel/sched/core.c:9234) [ 28.486945][ T826] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.486949][ T826] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 28.486953][ T826] __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)) [ 28.486956][ T826] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.486962][ T826] ? 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) [ 28.486965][ T826] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.486968][ T826] put_chars (drivers/char/virtio_console.c:1176) [ 28.486972][ T826] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.486974][ T826] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 28.486978][ T826] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 28.486984][ T826] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.486991][ T826] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.486994][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.486996][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.487000][ T826] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.487004][ T826] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.487006][ T826] ? 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)) [ 28.487009][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.487011][ T826] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.487015][ T826] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.487019][ T826] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.487021][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.487026][ T826] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.487029][ T826] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.487031][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.487033][ T826] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.487037][ T826] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.487038][ T826] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.487041][ T826] vprintk_emit (kernel/printk/printk.c:2479) [ 28.487045][ T826] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.487048][ T826] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 28.487052][ T826] _printk (kernel/printk/printk.c:2504) [ 28.487056][ T826] ? snapshot_read.cold (user.c:?) [ 28.487058][ T826] ? 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) [ 28.487061][ T826] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.487065][ T826] ? 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) [ 28.487067][ T826] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 28.487071][ T826] ? exit_notify (kernel/exit.c:780) [ 28.487073][ T826] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 28.487075][ T826] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.487080][ T826] do_group_exit (kernel/exit.c:1151) [ 28.487083][ T826] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 28.487085][ T826] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 28.487087][ T826] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 28.487091][ T826] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 28.487094][ T826] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 28.487096][ T826] RIP: 0033:0x7f1c71fed1b8 [ 28.487099][ T826] Code: Unable to access opcode bytes at 0x7f1c71fed18e. Code starting with the faulting instruction =========================================== [ 28.487100][ T826] RSP: 002b:00007ffe6c470f18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.487102][ T826] RAX: ffffffffffffffda RBX: 00007f1c7211df88 RCX: 00007f1c71fed1b8 [ 28.487103][ T826] RDX: 00007f1c71f2aa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 28.487104][ T826] RBP: 00007ffe6c470f70 R08: 0000000000000000 R09: 0000000000000000 [ 28.487105][ T826] R10: 00007ffe6c470db0 R11: 0000000000000246 R12: 0000000000000001 [ 28.487106][ T826] R13: 0000000000000000 R14: 00007f1c7211c680 R15: 00007f1c7211dfa0 | [ 48.285801][ T1015] softirqs last disabled at (588093): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 48.285804][ T1015] Preemption disabled at: | [ 48.285805][ T1015] 0x0 | [ 48.285818][ T1015] Tainted: [W]=WARN [ 48.285819][ T1015] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.285822][ T1015] Call Trace: [ 48.285824][ T1015] [ 48.285826][ T1015] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.285834][ T1015] __might_resched.cold (kernel/sched/core.c:9234) [ 48.285840][ T1015] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.285848][ T1015] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.285855][ T1015] __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)) [ 48.285858][ T1015] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.285868][ T1015] ? 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) [ 48.285871][ T1015] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.285877][ T1015] put_chars (drivers/char/virtio_console.c:1176) [ 48.285882][ T1015] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.285885][ T1015] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.285891][ T1015] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.285900][ T1015] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.285911][ T1015] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.285915][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.285918][ T1015] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.285925][ T1015] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.285931][ T1015] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.285933][ T1015] ? 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)) [ 48.285938][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.285941][ T1015] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.285948][ T1015] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.285954][ T1015] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.285957][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.285966][ T1015] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.285970][ T1015] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.285972][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.285976][ T1015] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.285982][ T1015] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.285984][ T1015] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.285990][ T1015] vprintk_emit (kernel/printk/printk.c:2479) [ 48.285995][ T1015] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.286001][ T1015] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.286007][ T1015] _printk (kernel/printk/printk.c:2504) [ 48.286012][ T1015] ? snapshot_read.cold (user.c:?) [ 48.286017][ T1015] ? 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) [ 48.286021][ T1015] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.286027][ T1015] ? 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) [ 48.286031][ T1015] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 48.286036][ T1015] ? exit_notify (kernel/exit.c:780) [ 48.286039][ T1015] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.286043][ T1015] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.286050][ T1015] do_group_exit (kernel/exit.c:1151) [ 48.286055][ T1015] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 48.286058][ T1015] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 48.286061][ T1015] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.286066][ T1015] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.286071][ T1015] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.286074][ T1015] RIP: 0033:0x7f8e32d481b8 [ 48.286077][ T1015] Code: Unable to access opcode bytes at 0x7f8e32d4818e. Code starting with the faulting instruction =========================================== [ 48.286079][ T1015] RSP: 002b:00007ffc7873a188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 48.286082][ T1015] RAX: ffffffffffffffda RBX: 00007f8e32e78f88 RCX: 00007f8e32d481b8 [ 48.286084][ T1015] RDX: 00007f8e32c85a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 48.286086][ T1015] RBP: 00007ffc7873a1e0 R08: 0000000000000000 R09: 0000000000000000 [ 48.286087][ T1015] R10: 00007ffc7873a020 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print