====================================== | [ 10.832693][ T208] softirqs last disabled at (34575): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.832696][ T208] Preemption disabled at: | [ 10.832697][ T208] 0x0 | [ 10.832710][ T208] Tainted: [W]=WARN [ 10.832712][ T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.832714][ T208] Call Trace: [ 10.832716][ T208] [ 10.832718][ T208] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.832726][ T208] __might_resched.cold (kernel/sched/core.c:9234) [ 10.832732][ T208] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.832737][ T208] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.832744][ T208] __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)) [ 10.832746][ T208] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.832755][ T208] ? 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) [ 10.832758][ T208] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.832764][ T208] put_chars (drivers/char/virtio_console.c:1176) [ 10.832767][ T208] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.832769][ T208] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.832774][ T208] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.832782][ T208] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.832793][ T208] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.832797][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.832800][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.832806][ T208] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.832812][ T208] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.832814][ T208] ? 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)) [ 10.832819][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.832822][ T208] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.832829][ T208] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.832836][ T208] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.832838][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.832848][ T208] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.832852][ T208] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.832855][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.832858][ T208] ? 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) [ 10.832864][ T208] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.832867][ T208] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.832872][ T208] vprintk_emit (kernel/printk/printk.c:2479) [ 10.832877][ T208] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.832882][ T208] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.832889][ T208] _printk (kernel/printk/printk.c:2504) [ 10.832894][ T208] ? snapshot_read.cold (user.c:?) [ 10.832899][ T208] ? 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) [ 10.832903][ T208] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.832909][ T208] ? 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) [ 10.832914][ T208] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.832919][ T208] ? exit_notify (kernel/exit.c:780) [ 10.832921][ T208] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.832926][ T208] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.832932][ T208] do_group_exit (kernel/exit.c:1151) [ 10.832937][ T208] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.832940][ T208] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.832944][ T208] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.832948][ T208] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.832952][ T208] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.832956][ T208] RIP: 0033:0x7f24c31621b8 [ 10.832959][ T208] Code: Unable to access opcode bytes at 0x7f24c316218e. Code starting with the faulting instruction =========================================== [ 10.832961][ T208] RSP: 002b:00007ffd97c73ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.832964][ T208] RAX: ffffffffffffffda RBX: 00007f24c3292f88 RCX: 00007f24c31621b8 [ 10.832966][ T208] RDX: 00007f24c2eacfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.832967][ T208] RBP: 00007ffd97c73b30 R08: 0000000000000000 R09: 0000000000008010 [ 10.832969][ T208] R10: 00007ffd97c738f0 R11: 0000000000000246 R12: 0000000000000001 [ 10.832970][ T208] R13: 0000000000000000 R14: 00007f24c3291680 R15: 00007f24c3292fa0 | [ 22.927652][ T322] softirqs last disabled at (20510): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 22.927655][ T322] Preemption disabled at: | [ 22.927655][ T322] 0x0 | [ 22.927666][ T322] Tainted: [W]=WARN [ 22.927667][ T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.927669][ T322] Call Trace: [ 22.927671][ T322] [ 22.927672][ T322] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.927679][ T322] __might_resched.cold (kernel/sched/core.c:9234) [ 22.927684][ T322] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.927688][ T322] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 22.927692][ T322] __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)) [ 22.927694][ T322] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.927701][ T322] ? 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) [ 22.927704][ T322] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.927707][ T322] put_chars (drivers/char/virtio_console.c:1176) [ 22.927710][ T322] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.927711][ T322] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 22.927715][ T322] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 22.927720][ T322] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.927728][ T322] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.927730][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.927733][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.927737][ T322] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.927741][ T322] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.927743][ T322] ? 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)) [ 22.927746][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.927748][ T322] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.927752][ T322] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.927756][ T322] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.927758][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.927764][ T322] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.927766][ T322] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.927768][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.927770][ T322] ? 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) [ 22.927774][ T322] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.927776][ T322] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.927778][ T322] vprintk_emit (kernel/printk/printk.c:2479) [ 22.927782][ T322] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.927785][ T322] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 22.927788][ T322] _printk (kernel/printk/printk.c:2504) [ 22.927792][ T322] ? snapshot_read.cold (user.c:?) [ 22.927795][ T322] ? 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) [ 22.927798][ T322] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.927802][ T322] ? 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) [ 22.927805][ T322] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 22.927808][ T322] ? exit_notify (kernel/exit.c:780) [ 22.927810][ T322] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 22.927813][ T322] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.927816][ T322] do_group_exit (kernel/exit.c:1151) [ 22.927819][ T322] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 22.927821][ T322] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 22.927824][ T322] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.927828][ T322] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.927831][ T322] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.927833][ T322] RIP: 0033:0x7f56a1aae1b8 [ 22.927835][ T322] Code: Unable to access opcode bytes at 0x7f56a1aae18e. Code starting with the faulting instruction =========================================== [ 22.927836][ T322] RSP: 002b:00007ffff33173c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 22.927839][ T322] RAX: ffffffffffffffda RBX: 00007f56a1bdef88 RCX: 00007f56a1aae1b8 [ 22.927840][ T322] RDX: 00007f56a17f8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 22.927841][ T322] RBP: 00007ffff3317420 R08: 0000000000000000 R09: 0000000000000050 [ 22.927842][ T322] R10: 00007ffff33171e0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print