====================================== | [ 9.260628][ T184] softirqs last disabled at (25589): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.260631][ T184] Preemption disabled at: | [ 9.260631][ T184] 0x0 | [ 9.260641][ T184] Tainted: [W]=WARN [ 9.260642][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.260644][ T184] Call Trace: [ 9.260646][ T184] [ 9.260647][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.260653][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 9.260657][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.260660][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.260665][ T184] __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)) [ 9.260668][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.260674][ T184] ? 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) [ 9.260677][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.260680][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 9.260683][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.260689][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.260696][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.260698][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.260702][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.260706][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.260707][ T184] ? 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)) [ 9.260710][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.260713][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.260717][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.260720][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.260722][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.260731][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.260733][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.260734][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.260736][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.260740][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.260742][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.260744][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 9.260747][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.260750][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.260754][ T184] _printk (kernel/printk/printk.c:2504) [ 9.260757][ T184] ? snapshot_read.cold (user.c:?) [ 9.260760][ T184] ? 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) [ 9.260762][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.260766][ T184] ? 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) [ 9.260769][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.260773][ T184] ? exit_notify (kernel/exit.c:780) [ 9.260774][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.260777][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.260780][ T184] do_group_exit (kernel/exit.c:1151) [ 9.260783][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.260785][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.260788][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.260791][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.260794][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.260797][ T184] RIP: 0033:0x7f5a47bfb1b8 [ 9.260799][ T184] Code: Unable to access opcode bytes at 0x7f5a47bfb18e. Code starting with the faulting instruction =========================================== [ 9.260800][ T184] RSP: 002b:00007ffdd46c7a88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.260802][ T184] RAX: ffffffffffffffda RBX: 00007f5a47d2bf88 RCX: 00007f5a47bfb1b8 [ 9.260804][ T184] RDX: 00007f5a47945fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.260805][ T184] RBP: 00007ffdd46c7ae0 R08: 0000000000000000 R09: 0000000000000050 [ 9.260805][ T184] R10: 00007ffdd46c78a0 R11: 0000000000000246 R12: 0000000000000001 [ 9.260806][ T184] R13: 0000000000000000 R14: 00007f5a47d2a680 R15: 00007f5a47d2bfa0 | [ 15.250101][ T285] softirqs last disabled at (37727): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.250104][ T285] Preemption disabled at: | [ 15.250104][ T285] 0x0 | [ 15.250114][ T285] Tainted: [W]=WARN [ 15.250116][ T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.250117][ T285] Call Trace: [ 15.250119][ T285] [ 15.250120][ T285] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.250125][ T285] __might_resched.cold (kernel/sched/core.c:9234) [ 15.250130][ T285] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.250133][ T285] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.250138][ T285] __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)) [ 15.250140][ T285] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.250146][ T285] ? 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) [ 15.250149][ T285] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.250152][ T285] put_chars (drivers/char/virtio_console.c:1176) [ 15.250155][ T285] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.250162][ T285] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.250168][ T285] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.250171][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.250175][ T285] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.250178][ T285] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.250180][ T285] ? 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)) [ 15.250182][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.250186][ T285] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.250190][ T285] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.250193][ T285] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.250194][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.250200][ T285] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.250202][ T285] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.250203][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.250205][ T285] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.250209][ T285] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.250210][ T285] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.250213][ T285] vprintk_emit (kernel/printk/printk.c:2479) [ 15.250216][ T285] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.250219][ T285] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.250223][ T285] _printk (kernel/printk/printk.c:2504) [ 15.250226][ T285] ? snapshot_read.cold (user.c:?) [ 15.250229][ T285] ? 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) [ 15.250231][ T285] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.250235][ T285] ? 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) [ 15.250238][ T285] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.250242][ T285] ? exit_notify (kernel/exit.c:780) [ 15.250243][ T285] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.250246][ T285] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.250250][ T285] do_group_exit (kernel/exit.c:1151) [ 15.250253][ T285] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.250255][ T285] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.250257][ T285] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.250261][ T285] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.250264][ T285] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.250266][ T285] RIP: 0033:0x7f78ee9211b8 [ 15.250268][ T285] Code: Unable to access opcode bytes at 0x7f78ee92118e. Code starting with the faulting instruction =========================================== [ 15.250269][ T285] RSP: 002b:00007ffd49b3aa18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.250272][ T285] RAX: ffffffffffffffda RBX: 00007f78eea51f88 RCX: 00007f78ee9211b8 [ 15.250273][ T285] RDX: 00007f78ee66bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.250274][ T285] RBP: 00007ffd49b3aa70 R08: 0000000000000000 R09: 0000000000000000 [ 15.250275][ T285] R10: 00007ffd49b3a830 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print