====================================== | [ 10.696955][ T194] softirqs last disabled at (23795): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.696957][ T194] Preemption disabled at: | [ 10.696958][ T194] 0x0 | [ 10.696969][ T194] Tainted: [W]=WARN [ 10.696969][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.696971][ T194] Call Trace: [ 10.696973][ T194] [ 10.696974][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.696981][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 10.696986][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.696990][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.696994][ T194] __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)) [ 10.696996][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.697003][ T194] ? 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) [ 10.697006][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.697010][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 10.697012][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.697014][ T194] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.697017][ T194] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.697023][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.697031][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.697033][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.697035][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.697039][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.697043][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.697045][ T194] ? 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)) [ 10.697048][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.697050][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.697054][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.697058][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.697060][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.697066][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.697069][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.697070][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.697072][ T194] ? 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) [ 10.697076][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.697078][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.697080][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 10.697083][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.697086][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.697090][ T194] _printk (kernel/printk/printk.c:2504) [ 10.697094][ T194] ? snapshot_read.cold (user.c:?) [ 10.697096][ T194] ? 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) [ 10.697099][ T194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.697103][ T194] ? 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) [ 10.697106][ T194] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.697110][ T194] ? exit_notify (kernel/exit.c:780) [ 10.697111][ T194] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.697114][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.697118][ T194] do_group_exit (kernel/exit.c:1151) [ 10.697120][ T194] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.697122][ T194] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.697125][ T194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.697129][ T194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.697132][ T194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.697134][ T194] RIP: 0033:0x7fabc56621b8 [ 10.697136][ T194] Code: Unable to access opcode bytes at 0x7fabc566218e. Code starting with the faulting instruction =========================================== [ 10.697137][ T194] RSP: 002b:00007ffe2b059c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.697139][ T194] RAX: ffffffffffffffda RBX: 00007fabc5792f88 RCX: 00007fabc56621b8 [ 10.697141][ T194] RDX: 00007fabc53acfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.697141][ T194] RBP: 00007ffe2b059c90 R08: 0000000000000000 R09: 0000000000000050 [ 10.697142][ T194] R10: 00007ffe2b059a50 R11: 0000000000000246 R12: 0000000000000001 [ 10.697143][ T194] R13: 0000000000000000 R14: 00007fabc5791680 R15: 00007fabc5792fa0 | [ 14.202951][ T215] softirqs last disabled at (23703): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.202954][ T215] Preemption disabled at: | [ 14.202955][ T215] 0x0 | [ 14.202968][ T215] Tainted: [W]=WARN [ 14.202969][ T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.202972][ T215] Call Trace: [ 14.202974][ T215] [ 14.202976][ T215] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.202984][ T215] __might_resched.cold (kernel/sched/core.c:9234) [ 14.202990][ T215] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.202996][ T215] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.203002][ T215] __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)) [ 14.203005][ T215] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.203015][ T215] ? 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) [ 14.203019][ T215] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.203025][ T215] put_chars (drivers/char/virtio_console.c:1176) [ 14.203029][ T215] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.203030][ T215] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.203035][ T215] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.203044][ T215] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.203056][ T215] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.203061][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.203064][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.203071][ T215] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.203077][ T215] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.203080][ T215] ? 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)) [ 14.203085][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.203088][ T215] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.203095][ T215] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.203102][ T215] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.203105][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.203114][ T215] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.203118][ T215] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.203121][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.203124][ T215] ? 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) [ 14.203130][ T215] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.203133][ T215] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.203138][ T215] vprintk_emit (kernel/printk/printk.c:2479) [ 14.203144][ T215] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.203149][ T215] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.203161][ T215] _printk (kernel/printk/printk.c:2504) [ 14.203166][ T215] ? snapshot_read.cold (user.c:?) [ 14.203171][ T215] ? 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) [ 14.203175][ T215] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.203181][ T215] ? 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) [ 14.203186][ T215] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 14.203191][ T215] ? exit_notify (kernel/exit.c:780) [ 14.203193][ T215] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.203198][ T215] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.203204][ T215] do_group_exit (kernel/exit.c:1151) [ 14.203209][ T215] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 14.203212][ T215] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 14.203215][ T215] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.203220][ T215] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.203224][ T215] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.203228][ T215] RIP: 0033:0x7fd298e7e1b8 [ 14.203231][ T215] Code: Unable to access opcode bytes at 0x7fd298e7e18e. Code starting with the faulting instruction =========================================== [ 14.203232][ T215] RSP: 002b:00007ffd29fac478 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 14.203236][ T215] RAX: ffffffffffffffda RBX: 00007fd298faef88 RCX: 00007fd298e7e1b8 [ 14.203238][ T215] RDX: 00007fd298bc8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 14.203239][ T215] RBP: 00007ffd29fac4d0 R08: 0000000000000000 R09: 0000000000000050 [ 14.203241][ T215] R10: 00007ffd29fac290 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print