====================================== | [ 10.119123][ T174] softirqs last disabled at (27511): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.119126][ T174] Preemption disabled at: | [ 10.119126][ T174] 0x0 | [ 10.119136][ T174] Tainted: [W]=WARN [ 10.119137][ T174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.119139][ T174] Call Trace: [ 10.119141][ T174] [ 10.119142][ T174] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.119148][ T174] __might_resched.cold (kernel/sched/core.c:9234) [ 10.119153][ T174] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.119157][ T174] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.119162][ T174] __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)) [ 10.119164][ T174] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.119170][ T174] ? 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) [ 10.119173][ T174] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.119176][ T174] put_chars (drivers/char/virtio_console.c:1176) [ 10.119179][ T174] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.119181][ T174] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.119186][ T174] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.119191][ T174] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.119197][ T174] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.119199][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119202][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.119205][ T174] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.119209][ T174] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.119211][ T174] ? 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)) [ 10.119214][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119216][ T174] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.119220][ T174] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.119224][ T174] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.119226][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119230][ T174] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.119233][ T174] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.119235][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119237][ T174] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.119241][ T174] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.119242][ T174] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.119246][ T174] vprintk_emit (kernel/printk/printk.c:2479) [ 10.119249][ T174] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.119253][ T174] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.119256][ T174] _printk (kernel/printk/printk.c:2504) [ 10.119259][ T174] ? snapshot_read.cold (user.c:?) [ 10.119262][ T174] ? 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) [ 10.119265][ T174] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.119268][ T174] ? 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) [ 10.119271][ T174] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.119275][ T174] ? exit_notify (kernel/exit.c:780) [ 10.119276][ T174] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.119278][ T174] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.119283][ T174] do_group_exit (kernel/exit.c:1151) [ 10.119285][ T174] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.119287][ T174] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.119290][ T174] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.119294][ T174] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.119296][ T174] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.119298][ T174] RIP: 0033:0x7f2770ab01b8 [ 10.119301][ T174] Code: Unable to access opcode bytes at 0x7f2770ab018e. Code starting with the faulting instruction =========================================== [ 10.119302][ T174] RSP: 002b:00007ffc2ea2cb38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.119304][ T174] RAX: ffffffffffffffda RBX: 00007f2770be0f88 RCX: 00007f2770ab01b8 [ 10.119305][ T174] RDX: 00007f27707fafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.119306][ T174] RBP: 00007ffc2ea2cb90 R08: 0000000000000000 R09: 0000000000000050 [ 10.119307][ T174] R10: 00007ffc2ea2c950 R11: 0000000000000246 R12: 0000000000000001 [ 10.119308][ T174] R13: 0000000000000000 R14: 00007f2770bdf680 R15: 00007f2770be0fa0 | [ 18.646969][ T250] softirqs last disabled at (1418848): __release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3272) | [ 18.646973][ T250] Preemption disabled at: | [ 18.646974][ T250] 0x0 | [ 18.646984][ T250] Tainted: [W]=WARN [ 18.646985][ T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.646987][ T250] Call Trace: [ 18.646989][ T250] [ 18.646990][ T250] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.646997][ T250] __might_resched.cold (kernel/sched/core.c:9234) [ 18.647001][ T250] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.647005][ T250] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.647010][ T250] __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)) [ 18.647012][ T250] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.647018][ T250] ? 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) [ 18.647020][ T250] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.647024][ T250] put_chars (drivers/char/virtio_console.c:1176) [ 18.647026][ T250] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 18.647028][ T250] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.647031][ T250] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.647036][ T250] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 18.647038][ T250] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.647041][ T250] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.647045][ T250] ? mark_usage (kernel/locking/lockdep.c:4690) [ 18.647046][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.647048][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.647052][ T250] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.647054][ T250] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 18.647057][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.647059][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.647063][ T250] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.647067][ T250] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.647068][ T250] ? 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)) [ 18.647071][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.647074][ T250] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.647077][ T250] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.647081][ T250] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.647083][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.647088][ T250] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.647091][ T250] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.647093][ T250] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.647095][ T250] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.647098][ T250] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.647100][ T250] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.647103][ T250] vprintk_emit (kernel/printk/printk.c:2479) [ 18.647107][ T250] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.647110][ T250] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.647114][ T250] _printk (kernel/printk/printk.c:2504) [ 18.647117][ T250] ? snapshot_read.cold (user.c:?) [ 18.647120][ T250] ? 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) [ 18.647122][ T250] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.647126][ T250] ? 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) [ 18.647128][ T250] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.647132][ T250] ? exit_notify (kernel/exit.c:780) [ 18.647134][ T250] ? __ia32_sys_sendfile (fs/read_write.c:1399) [ 18.647138][ T250] ? restore_fpregs_from_fpstate (arch/x86/kernel/fpu/xstate.h:242 arch/x86/kernel/fpu/core.c:207) [ 18.647143][ T250] __x64_sys_exit (kernel/exit.c:1118 kernel/exit.c:1116 kernel/exit.c:1116) [ 18.647145][ T250] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:61) [ 18.647147][ T250] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.647151][ T250] ? irq_exit_rcu (kernel/softirq.c:786) [ 18.647154][ T250] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.647156][ T250] RIP: 0033:0x7f7a51a49c49 [ 18.647158][ T250] Code: Unable to access opcode bytes at 0x7f7a51a49c1f. Code starting with the faulting instruction =========================================== [ 18.647160][ T250] RSP: 002b:00007f7a51208e60 EFLAGS: 00000246 ORIG_RAX: 000000000000003c [ 18.647162][ T250] RAX: ffffffffffffffda RBX: 00007f7a512096c0 RCX: 00007f7a51a49c49 [ 18.647164][ T250] RDX: 0000000000000000 RSI: 0000000000801000 RDI: 0000000000000000 [ 18.647165][ T250] RBP: 00007f7a51208f70 R08: 0000000000000001 R09: 00007f7a512096c0 [ 18.647165][ T250] R10: 0000000000000008 R11: 0000000000000246 R12: 00007f7a50a09000 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print