====================================== | [ 9.418781][ T205] softirqs last disabled at (38159): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.418783][ T205] Preemption disabled at: | [ 9.418784][ T205] 0x0 | [ 9.418794][ T205] Tainted: [W]=WARN [ 9.418794][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.418796][ T205] Call Trace: [ 9.418798][ T205] [ 9.418799][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.418805][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 9.418810][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.418814][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.418818][ T205] __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)) [ 9.418820][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.418826][ T205] ? 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) [ 9.418829][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.418833][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 9.418835][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.418836][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.418840][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.418845][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.418852][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.418855][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.418857][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.418861][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.418865][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.418866][ T205] ? 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)) [ 9.418870][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.418871][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.418875][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.418879][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.418881][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.418886][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.418889][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.418891][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.418893][ T205] ? 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) [ 9.418896][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.418898][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.418901][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 9.418904][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.418907][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.418910][ T205] _printk (kernel/printk/printk.c:2504) [ 9.418914][ T205] ? snapshot_read.cold (user.c:?) [ 9.418917][ T205] ? 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) [ 9.418919][ T205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.418923][ T205] ? 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) [ 9.418926][ T205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.418929][ T205] ? exit_notify (kernel/exit.c:780) [ 9.418931][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.418933][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.418937][ T205] do_group_exit (kernel/exit.c:1151) [ 9.418940][ T205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.418941][ T205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.418944][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.418948][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.418951][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.418953][ T205] RIP: 0033:0x7f030af651b8 [ 9.418955][ T205] Code: Unable to access opcode bytes at 0x7f030af6518e. Code starting with the faulting instruction =========================================== [ 9.418956][ T205] RSP: 002b:00007ffecd0e0708 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.418959][ T205] RAX: ffffffffffffffda RBX: 00007f030b095f88 RCX: 00007f030af651b8 [ 9.418960][ T205] RDX: 00007f030acaffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.418961][ T205] RBP: 00007ffecd0e0760 R08: 0000000000000000 R09: 0000000000008010 [ 9.418962][ T205] R10: 00007ffecd0e0520 R11: 0000000000000246 R12: 0000000000000001 [ 9.418962][ T205] R13: 0000000000000000 R14: 00007f030b094680 R15: 00007f030b095fa0 | [ 10.863115][ T255] softirqs last disabled at (36319): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.863117][ T255] Preemption disabled at: | [ 10.863118][ T255] 0x0 | [ 10.863128][ T255] Tainted: [W]=WARN [ 10.863129][ T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.863131][ T255] Call Trace: [ 10.863132][ T255] [ 10.863134][ T255] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.863140][ T255] __might_resched.cold (kernel/sched/core.c:9234) [ 10.863144][ T255] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.863148][ T255] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.863152][ T255] __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)) [ 10.863154][ T255] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.863161][ T255] ? 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) [ 10.863163][ T255] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.863167][ T255] put_chars (drivers/char/virtio_console.c:1176) [ 10.863170][ T255] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.863171][ T255] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.863174][ T255] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.863179][ T255] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.863187][ T255] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.863189][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.863191][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.863195][ T255] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.863199][ T255] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.863201][ T255] ? 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)) [ 10.863204][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.863206][ T255] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.863209][ T255] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.863213][ T255] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.863215][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.863220][ T255] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.863223][ T255] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.863225][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.863227][ T255] ? 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) [ 10.863230][ T255] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.863232][ T255] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.863234][ T255] vprintk_emit (kernel/printk/printk.c:2479) [ 10.863237][ T255] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.863240][ T255] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.863244][ T255] _printk (kernel/printk/printk.c:2504) [ 10.863247][ T255] ? snapshot_read.cold (user.c:?) [ 10.863250][ T255] ? 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) [ 10.863252][ T255] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.863256][ T255] ? 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) [ 10.863259][ T255] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.863263][ T255] ? exit_notify (kernel/exit.c:780) [ 10.863264][ T255] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.863267][ T255] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.863274][ T255] do_group_exit (kernel/exit.c:1151) [ 10.863276][ T255] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.863278][ T255] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.863281][ T255] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.863285][ T255] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.863288][ T255] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.863290][ T255] RIP: 0033:0x7ff2888f41b8 [ 10.863292][ T255] Code: Unable to access opcode bytes at 0x7ff2888f418e. Code starting with the faulting instruction =========================================== [ 10.863293][ T255] RSP: 002b:00007fffd9c8d448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.863296][ T255] RAX: ffffffffffffffda RBX: 00007ff288a24f88 RCX: 00007ff2888f41b8 [ 10.863297][ T255] RDX: 00007ff28863efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.863298][ T255] RBP: 00007fffd9c8d4a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.863299][ T255] R10: 00007fffd9c8d260 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print