====================================== | [ 9.476135][ T186] softirqs last disabled at (31325): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.476137][ T186] Preemption disabled at: | [ 9.476138][ T186] 0x0 | [ 9.476148][ T186] Tainted: [W]=WARN [ 9.476149][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.476151][ T186] Call Trace: [ 9.476152][ T186] [ 9.476154][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.476159][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 9.476163][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.476166][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.476172][ T186] __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)) [ 9.476174][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.476180][ T186] ? 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) [ 9.476183][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.476186][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 9.476189][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.476195][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.476202][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.476205][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.476209][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.476213][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.476214][ T186] ? 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)) [ 9.476216][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.476220][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.476224][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.476227][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.476228][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.476234][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.476236][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.476237][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.476239][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.476243][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.476244][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.476247][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 9.476250][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.476253][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.476257][ T186] _printk (kernel/printk/printk.c:2504) [ 9.476260][ T186] ? snapshot_read.cold (user.c:?) [ 9.476263][ T186] ? 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) [ 9.476266][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.476270][ T186] ? 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) [ 9.476272][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.476276][ T186] ? exit_notify (kernel/exit.c:780) [ 9.476278][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.476280][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.476284][ T186] do_group_exit (kernel/exit.c:1151) [ 9.476287][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.476289][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.476291][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.476295][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.476298][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.476300][ T186] RIP: 0033:0x7fcd07fdd1b8 [ 9.476306][ T186] Code: Unable to access opcode bytes at 0x7fcd07fdd18e. Code starting with the faulting instruction =========================================== [ 9.476307][ T186] RSP: 002b:00007fff77652c98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.476310][ T186] RAX: ffffffffffffffda RBX: 00007fcd0810df88 RCX: 00007fcd07fdd1b8 [ 9.476311][ T186] RDX: 00007fcd07d27fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.476312][ T186] RBP: 00007fff77652cf0 R08: 0000000000000000 R09: 0000000000000050 [ 9.476313][ T186] R10: 00007fff77652ab0 R11: 0000000000000246 R12: 0000000000000001 [ 9.476313][ T186] R13: 0000000000000000 R14: 00007fcd0810c680 R15: 00007fcd0810dfa0 | [ 10.593803][ T222] softirqs last disabled at (23063): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.593806][ T222] Preemption disabled at: | [ 10.593806][ T222] 0x0 | [ 10.593816][ T222] Tainted: [W]=WARN [ 10.593817][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.593818][ T222] Call Trace: [ 10.593820][ T222] [ 10.593821][ T222] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.593827][ T222] __might_resched.cold (kernel/sched/core.c:9234) [ 10.593831][ T222] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.593834][ T222] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.593839][ T222] __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)) [ 10.593842][ T222] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.593848][ T222] ? 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) [ 10.593851][ T222] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.593854][ T222] put_chars (drivers/char/virtio_console.c:1176) [ 10.593857][ T222] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.593863][ T222] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.593870][ T222] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.593872][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.593877][ T222] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.593880][ T222] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.593881][ T222] ? 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)) [ 10.593884][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.593887][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.593891][ T222] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.593894][ T222] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.593896][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.593901][ T222] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.593903][ T222] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.593904][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.593906][ T222] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.593910][ T222] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.593911][ T222] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.593914][ T222] vprintk_emit (kernel/printk/printk.c:2479) [ 10.593917][ T222] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.593920][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.593924][ T222] _printk (kernel/printk/printk.c:2504) [ 10.593927][ T222] ? snapshot_read.cold (user.c:?) [ 10.593930][ T222] ? 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) [ 10.593932][ T222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.593936][ T222] ? 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) [ 10.593939][ T222] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.593943][ T222] ? exit_notify (kernel/exit.c:780) [ 10.593944][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.593947][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.593950][ T222] do_group_exit (kernel/exit.c:1151) [ 10.593953][ T222] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.593955][ T222] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.593958][ T222] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.593961][ T222] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.593964][ T222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.593966][ T222] RIP: 0033:0x7f696b7f71b8 [ 10.593969][ T222] Code: Unable to access opcode bytes at 0x7f696b7f718e. Code starting with the faulting instruction =========================================== [ 10.593970][ T222] RSP: 002b:00007ffcd2483618 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.593972][ T222] RAX: ffffffffffffffda RBX: 00007f696b927f88 RCX: 00007f696b7f71b8 [ 10.593973][ T222] RDX: 00007f696b541fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.593974][ T222] RBP: 00007ffcd2483670 R08: 0000000000000000 R09: 0000000000000050 [ 10.593975][ T222] R10: 00007ffcd2483430 R11: 0000000000000246 R12: 0000000000000001 [ 10.593975][ T222] R13: 0000000000000000 R14: 00007f696b926680 R15: 00007f696b927fa0 | [ 18.190349][ T354] softirqs last disabled at (14847): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.190351][ T354] Preemption disabled at: | [ 18.190352][ T354] 0x0 | [ 18.190362][ T354] Tainted: [W]=WARN [ 18.190363][ T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.190365][ T354] Call Trace: [ 18.190367][ T354] [ 18.190368][ T354] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.190373][ T354] __might_resched.cold (kernel/sched/core.c:9234) [ 18.190378][ T354] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.190386][ T354] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.190391][ T354] __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)) [ 18.190393][ T354] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.190399][ T354] ? 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) [ 18.190403][ T354] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.190406][ T354] put_chars (drivers/char/virtio_console.c:1176) [ 18.190409][ T354] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.190415][ T354] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.190422][ T354] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.190424][ T354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.190429][ T354] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.190432][ T354] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.190433][ T354] ? 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)) [ 18.190436][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.190439][ T354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.190443][ T354] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.190447][ T354] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.190448][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.190453][ T354] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.190455][ T354] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.190457][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.190459][ T354] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.190462][ T354] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.190464][ T354] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.190467][ T354] vprintk_emit (kernel/printk/printk.c:2479) [ 18.190470][ T354] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.190473][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.190477][ T354] _printk (kernel/printk/printk.c:2504) [ 18.190480][ T354] ? snapshot_read.cold (user.c:?) [ 18.190483][ T354] ? 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) [ 18.190485][ T354] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.190489][ T354] ? 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) [ 18.190492][ T354] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.190496][ T354] ? exit_notify (kernel/exit.c:780) [ 18.190497][ T354] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.190500][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.190503][ T354] do_group_exit (kernel/exit.c:1151) [ 18.190506][ T354] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.190508][ T354] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.190511][ T354] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.190514][ T354] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.190518][ T354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.190520][ T354] RIP: 0033:0x7fed79ac81b8 [ 18.190522][ T354] Code: Unable to access opcode bytes at 0x7fed79ac818e. Code starting with the faulting instruction =========================================== [ 18.190523][ T354] RSP: 002b:00007ffd00cb14e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.190525][ T354] RAX: ffffffffffffffda RBX: 00007fed79bf8f88 RCX: 00007fed79ac81b8 [ 18.190526][ T354] RDX: 00007fed79a06e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 18.190527][ T354] RBP: 00007ffd00cb1540 R08: 0000000000000000 R09: 0000000000000000 [ 18.190528][ T354] R10: 00007ffd00cb1380 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print