====================================== | [ 9.177135][ T187] softirqs last disabled at (45753): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.177137][ T187] Preemption disabled at: | [ 9.177138][ T187] 0x0 | [ 9.177148][ T187] Tainted: [W]=WARN [ 9.177149][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.177151][ T187] Call Trace: [ 9.177152][ T187] [ 9.177154][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.177161][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.177165][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.177170][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.177175][ T187] __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)) [ 9.177177][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.177183][ T187] ? 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) [ 9.177186][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.177189][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.177192][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.177193][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.177198][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.177203][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.177209][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.177211][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.177214][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.177218][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.177222][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.177223][ T187] ? 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)) [ 9.177227][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.177229][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.177233][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.177237][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.177239][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.177244][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.177247][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.177249][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.177252][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.177255][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.177257][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.177260][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.177264][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.177268][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.177271][ T187] _printk (kernel/printk/printk.c:2504) [ 9.177275][ T187] ? snapshot_read.cold (user.c:?) [ 9.177278][ T187] ? 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) [ 9.177281][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.177284][ T187] ? 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) [ 9.177287][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.177291][ T187] ? exit_notify (kernel/exit.c:780) [ 9.177293][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.177296][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.177300][ T187] do_group_exit (kernel/exit.c:1151) [ 9.177303][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.177305][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.177307][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.177310][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.177313][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.177316][ T187] RIP: 0033:0x7fea1eb681b8 [ 9.177318][ T187] Code: Unable to access opcode bytes at 0x7fea1eb6818e. Code starting with the faulting instruction =========================================== [ 9.177319][ T187] RSP: 002b:00007ffde311aa38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.177321][ T187] RAX: ffffffffffffffda RBX: 00007fea1ec98f88 RCX: 00007fea1eb681b8 [ 9.177323][ T187] RDX: 00007fea1e8b2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.177324][ T187] RBP: 00007ffde311aa90 R08: 0000000000000000 R09: 0000000000008010 [ 9.177325][ T187] R10: 00007ffde311a850 R11: 0000000000000246 R12: 0000000000000001 [ 9.177326][ T187] R13: 0000000000000000 R14: 00007fea1ec97680 R15: 00007fea1ec98fa0 | [ 148.307408][ T6304] softirqs last disabled at (12065): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 148.307411][ T6304] Preemption disabled at: | [ 148.307411][ T6304] 0x0 | [ 148.307424][ T6304] Tainted: [W]=WARN [ 148.307425][ T6304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 148.307428][ T6304] Call Trace: [ 148.307430][ T6304] [ 148.307432][ T6304] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 148.307440][ T6304] __might_resched.cold (kernel/sched/core.c:9234) [ 148.307446][ T6304] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 148.307451][ T6304] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 148.307459][ T6304] __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)) [ 148.307463][ T6304] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 148.307472][ T6304] ? 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) [ 148.307476][ T6304] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 148.307481][ T6304] put_chars (drivers/char/virtio_console.c:1176) [ 148.307485][ T6304] ? __send_to_port (drivers/char/virtio_console.c:654) [ 148.307488][ T6304] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 148.307494][ T6304] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 148.307503][ T6304] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 148.307514][ T6304] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 148.307517][ T6304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.307521][ T6304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.307528][ T6304] console_emit_next_record (kernel/printk/printk.c:3183) [ 148.307534][ T6304] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 148.307536][ T6304] ? 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)) [ 148.307541][ T6304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.307545][ T6304] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 148.307552][ T6304] console_flush_one_record (kernel/printk/printk.c:3268) [ 148.307559][ T6304] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 148.307561][ T6304] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 148.307570][ T6304] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 148.307575][ T6304] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 148.307577][ T6304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.307581][ T6304] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 148.307587][ T6304] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 148.307590][ T6304] ? vprintk_emit (kernel/printk/printk.c:2478) [ 148.307596][ T6304] vprintk_emit (kernel/printk/printk.c:2479) [ 148.307602][ T6304] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 148.307607][ T6304] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 148.307613][ T6304] _printk (kernel/printk/printk.c:2504) [ 148.307618][ T6304] ? snapshot_read.cold (user.c:?) [ 148.307623][ T6304] ? 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) [ 148.307627][ T6304] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 148.307633][ T6304] ? 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) [ 148.307638][ T6304] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 148.307643][ T6304] ? exit_notify (kernel/exit.c:780) [ 148.307645][ T6304] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 148.307650][ T6304] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 148.307657][ T6304] do_group_exit (kernel/exit.c:1151) [ 148.307662][ T6304] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 148.307664][ T6304] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 148.307667][ T6304] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 148.307671][ T6304] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 148.307676][ T6304] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 148.307679][ T6304] RIP: 0033:0x7ffa9d4d51b8 [ 148.307682][ T6304] Code: Unable to access opcode bytes at 0x7ffa9d4d518e. Code starting with the faulting instruction =========================================== [ 148.307684][ T6304] RSP: 002b:00007ffd87250858 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 148.307687][ T6304] RAX: ffffffffffffffda RBX: 00007ffa9d605f88 RCX: 00007ffa9d4d51b8 [ 148.307689][ T6304] RDX: 00007ffa9d2667c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 148.307691][ T6304] RBP: 00007ffd872508b0 R08: 0000000000000000 R09: 0000000000001010 [ 148.307692][ T6304] R10: 00007ffd872506d0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print