====================================== | [ 11.497865][ T187] softirqs last disabled at (37823): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.497868][ T187] Preemption disabled at: | [ 11.497868][ T187] 0x0 | [ 11.497879][ T187] Tainted: [W]=WARN [ 11.497880][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.497882][ T187] Call Trace: [ 11.497883][ T187] [ 11.497885][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.497891][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 11.497895][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.497899][ 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) [ 11.497904][ 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)) [ 11.497906][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.497913][ 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) [ 11.497916][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.497919][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 11.497922][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.497929][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.497936][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.497939][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.497944][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.497947][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.497949][ 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)) [ 11.497951][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.497955][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.497959][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.497963][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.497964][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.497970][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.497972][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.497973][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.497975][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.497979][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.497981][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.497984][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 11.497987][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.497991][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.497995][ T187] _printk (kernel/printk/printk.c:2504) [ 11.497998][ T187] ? snapshot_read.cold (user.c:?) [ 11.498001][ 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) [ 11.498004][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.498008][ 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) [ 11.498011][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.498015][ T187] ? exit_notify (kernel/exit.c:780) [ 11.498016][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.498019][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.498023][ T187] do_group_exit (kernel/exit.c:1151) [ 11.498026][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.498028][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.498031][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.498034][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.498038][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.498040][ T187] RIP: 0033:0x7fda69b151b8 [ 11.498042][ T187] Code: Unable to access opcode bytes at 0x7fda69b1518e. Code starting with the faulting instruction =========================================== [ 11.498043][ T187] RSP: 002b:00007ffc985021c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.498046][ T187] RAX: ffffffffffffffda RBX: 00007fda69c45f88 RCX: 00007fda69b151b8 [ 11.498047][ T187] RDX: 00007fda6985ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.498048][ T187] RBP: 00007ffc98502220 R08: 0000000000000000 R09: 0000000000000000 [ 11.498049][ T187] R10: 00007ffc98501fe0 R11: 0000000000000246 R12: 0000000000000001 [ 11.498050][ T187] R13: 0000000000000000 R14: 00007fda69c44680 R15: 00007fda69c45fa0 | [ 19.246690][ T283] softirqs last disabled at (41339): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.246692][ T283] Preemption disabled at: | [ 19.246693][ T283] 0x0 | [ 19.246704][ T283] Tainted: [W]=WARN [ 19.246704][ T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.246706][ T283] Call Trace: [ 19.246708][ T283] [ 19.246709][ T283] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.246715][ T283] __might_resched.cold (kernel/sched/core.c:9234) [ 19.246719][ T283] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.246722][ T283] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 19.246728][ T283] __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)) [ 19.246730][ T283] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.246737][ T283] ? 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) [ 19.246740][ T283] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.246743][ T283] put_chars (drivers/char/virtio_console.c:1176) [ 19.246746][ T283] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.246753][ T283] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.246760][ T283] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.246762][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.246767][ T283] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.246771][ T283] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.246772][ T283] ? 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)) [ 19.246775][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.246778][ T283] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.246782][ T283] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.246786][ T283] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.246787][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.246793][ T283] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.246795][ T283] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.246796][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.246798][ T283] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.246802][ T283] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.246804][ T283] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.246807][ T283] vprintk_emit (kernel/printk/printk.c:2479) [ 19.246810][ T283] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.246814][ T283] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.246818][ T283] _printk (kernel/printk/printk.c:2504) [ 19.246821][ T283] ? snapshot_read.cold (user.c:?) [ 19.246824][ T283] ? 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) [ 19.246827][ T283] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.246831][ T283] ? 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) [ 19.246834][ T283] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.246838][ T283] ? exit_notify (kernel/exit.c:780) [ 19.246839][ T283] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.246842][ T283] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.246846][ T283] do_group_exit (kernel/exit.c:1151) [ 19.246849][ T283] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.246851][ T283] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.246854][ T283] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.246858][ T283] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.246861][ T283] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.246864][ T283] RIP: 0033:0x7f33d8bbf1b8 [ 19.246866][ T283] Code: Unable to access opcode bytes at 0x7f33d8bbf18e. Code starting with the faulting instruction =========================================== [ 19.246867][ T283] RSP: 002b:00007ffe4b662338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.246869][ T283] RAX: ffffffffffffffda RBX: 00007f33d8ceff88 RCX: 00007f33d8bbf1b8 [ 19.246871][ T283] RDX: 00007f33d8afe888 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 19.246872][ T283] RBP: 00007ffe4b662390 R08: 0000000000000000 R09: 0000000000000004 [ 19.246872][ T283] R10: 00007ffe4b6621b0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print