====================================== | [ 9.368183][ T208] softirqs last disabled at (25261): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.368186][ T208] Preemption disabled at: | [ 9.368187][ T208] 0x0 | [ 9.368196][ T208] Tainted: [W]=WARN [ 9.368197][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.368198][ T208] Call Trace: [ 9.368200][ T208] [ 9.368201][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.368208][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 9.368215][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.368219][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.368223][ T208] __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)) [ 9.368225][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.368232][ T208] ? 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) [ 9.368235][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.368238][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 9.368241][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.368242][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.368245][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.368251][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.368258][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.368261][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.368263][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.368266][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.368271][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.368272][ T208] ? 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)) [ 9.368275][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.368277][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.368281][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.368285][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.368287][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.368292][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.368295][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.368297][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.368299][ T208] ? 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) [ 9.368302][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.368304][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.368307][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 9.368310][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.368313][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.368316][ T208] _printk (kernel/printk/printk.c:2504) [ 9.368320][ T208] ? snapshot_read.cold (user.c:?) [ 9.368323][ T208] ? 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) [ 9.368325][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.368329][ T208] ? 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) [ 9.368332][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.368335][ T208] ? exit_notify (kernel/exit.c:780) [ 9.368336][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.368339][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.368343][ T208] do_group_exit (kernel/exit.c:1151) [ 9.368345][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.368347][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.368350][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.368354][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.368356][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.368358][ T208] RIP: 0033:0x7f438a0cd1b8 [ 9.368360][ T208] Code: Unable to access opcode bytes at 0x7f438a0cd18e. Code starting with the faulting instruction =========================================== [ 9.368362][ T208] RSP: 002b:00007ffc1d163b58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.368364][ T208] RAX: ffffffffffffffda RBX: 00007f438a1fdf88 RCX: 00007f438a0cd1b8 [ 9.368365][ T208] RDX: 00007f4389e17fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.368366][ T208] RBP: 00007ffc1d163bb0 R08: 0000000000000000 R09: 0000000000000050 [ 9.368367][ T208] R10: 00007ffc1d163970 R11: 0000000000000246 R12: 0000000000000001 [ 9.368368][ T208] R13: 0000000000000000 R14: 00007f438a1fc680 R15: 00007f438a1fdfa0 | [ 15.710058][ T262] softirqs last disabled at (3826699): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.710061][ T262] Preemption disabled at: | [ 15.710061][ T262] 0x0 | [ 15.710072][ T262] Tainted: [W]=WARN [ 15.710073][ T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.710075][ T262] Call Trace: [ 15.710077][ T262] [ 15.710078][ T262] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.710085][ T262] __might_resched.cold (kernel/sched/core.c:9234) [ 15.710089][ T262] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.710093][ T262] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.710097][ T262] __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)) [ 15.710099][ T262] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.710106][ T262] ? 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) [ 15.710109][ T262] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.710113][ T262] put_chars (drivers/char/virtio_console.c:1176) [ 15.710115][ T262] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.710116][ T262] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.710120][ T262] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.710125][ T262] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.710133][ T262] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.710135][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.710137][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.710141][ T262] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.710145][ T262] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.710147][ T262] ? 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)) [ 15.710150][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.710152][ T262] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.710156][ T262] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.710160][ T262] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.710161][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.710167][ T262] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.710169][ T262] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.710171][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.710173][ T262] ? 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) [ 15.710176][ T262] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.710178][ T262] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.710181][ T262] vprintk_emit (kernel/printk/printk.c:2479) [ 15.710184][ T262] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.710185][ T262] ? 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) [ 15.710188][ T262] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.710192][ T262] _printk (kernel/printk/printk.c:2504) [ 15.710195][ T262] ? snapshot_read.cold (user.c:?) [ 15.710198][ T262] ? 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) [ 15.710200][ T262] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.710204][ T262] ? 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) [ 15.710207][ T262] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.710211][ T262] ? exit_notify (kernel/exit.c:780) [ 15.710214][ T262] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.710217][ T262] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.710221][ T262] do_group_exit (kernel/exit.c:1151) [ 15.710223][ T262] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.710225][ T262] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.710228][ T262] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.710232][ T262] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.710235][ T262] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.710237][ T262] RIP: 0033:0x7f78e69991b8 [ 15.710239][ T262] Code: Unable to access opcode bytes at 0x7f78e699918e. Code starting with the faulting instruction =========================================== [ 15.710240][ T262] RSP: 002b:00007ffed2512188 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.710242][ T262] RAX: ffffffffffffffda RBX: 00007f78e6ac9f88 RCX: 00007f78e69991b8 [ 15.710244][ T262] RDX: 00007f78e68d6a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 15.710245][ T262] RBP: 00007ffed25121e0 R08: 0000000000000000 R09: 0000000000000000 [ 15.710245][ T262] R10: 00007ffed2512020 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print