====================================== | [ 9.707183][ T203] softirqs last disabled at (32359): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.707186][ T203] Preemption disabled at: | [ 9.707187][ T203] 0x0 | [ 9.707197][ T203] Tainted: [W]=WARN [ 9.707198][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.707199][ T203] Call Trace: [ 9.707201][ T203] [ 9.707202][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.707209][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 9.707214][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.707218][ T203] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.707222][ T203] __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)) [ 9.707224][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.707235][ T203] ? 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) [ 9.707238][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.707242][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 9.707244][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.707245][ T203] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.707249][ T203] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.707254][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.707261][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.707264][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.707266][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.707270][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.707274][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.707276][ T203] ? 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)) [ 9.707279][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.707281][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.707284][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.707288][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.707290][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.707295][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.707298][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.707300][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.707301][ T203] ? 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) [ 9.707305][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.707307][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.707309][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 9.707312][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.707315][ T203] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.707319][ T203] _printk (kernel/printk/printk.c:2504) [ 9.707322][ T203] ? snapshot_read.cold (user.c:?) [ 9.707325][ T203] ? 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) [ 9.707328][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.707331][ T203] ? 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) [ 9.707334][ T203] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.707338][ T203] ? exit_notify (kernel/exit.c:780) [ 9.707339][ T203] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.707342][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.707345][ T203] do_group_exit (kernel/exit.c:1151) [ 9.707348][ T203] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.707349][ T203] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.707352][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.707356][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.707359][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.707361][ T203] RIP: 0033:0x7fbcb5c201b8 [ 9.707363][ T203] Code: Unable to access opcode bytes at 0x7fbcb5c2018e. Code starting with the faulting instruction =========================================== [ 9.707364][ T203] RSP: 002b:00007fff84fba8f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.707366][ T203] RAX: ffffffffffffffda RBX: 00007fbcb5d50f88 RCX: 00007fbcb5c201b8 [ 9.707367][ T203] RDX: 00007fbcb596afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.707368][ T203] RBP: 00007fff84fba950 R08: 0000000000000000 R09: 0000000000000000 [ 9.707369][ T203] R10: 00007fff84fba710 R11: 0000000000000246 R12: 0000000000000001 [ 9.707370][ T203] R13: 0000000000000000 R14: 00007fbcb5d4f680 R15: 00007fbcb5d50fa0 | [ 10.733359][ T239] softirqs last disabled at (31073): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.733362][ T239] Preemption disabled at: | [ 10.733362][ T239] 0x0 | [ 10.733372][ T239] Tainted: [W]=WARN [ 10.733373][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.733375][ T239] Call Trace: [ 10.733377][ T239] [ 10.733378][ T239] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.733385][ T239] __might_resched.cold (kernel/sched/core.c:9234) [ 10.733389][ T239] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.733393][ T239] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.733397][ T239] __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)) [ 10.733399][ T239] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.733406][ T239] ? 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) [ 10.733409][ T239] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.733413][ T239] put_chars (drivers/char/virtio_console.c:1176) [ 10.733415][ T239] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.733416][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.733420][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.733425][ T239] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.733432][ T239] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.733435][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.733437][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.733441][ T239] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.733445][ T239] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.733446][ T239] ? 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)) [ 10.733450][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.733451][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.733455][ T239] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.733459][ T239] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.733461][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.733466][ T239] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.733469][ T239] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.733471][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.733472][ T239] ? 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) [ 10.733476][ T239] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.733478][ T239] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.733480][ T239] vprintk_emit (kernel/printk/printk.c:2479) [ 10.733484][ T239] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.733486][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.733490][ T239] _printk (kernel/printk/printk.c:2504) [ 10.733493][ T239] ? snapshot_read.cold (user.c:?) [ 10.733496][ T239] ? 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) [ 10.733499][ T239] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.733502][ T239] ? 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) [ 10.733505][ T239] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.733509][ T239] ? exit_notify (kernel/exit.c:780) [ 10.733510][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.733513][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.733516][ T239] do_group_exit (kernel/exit.c:1151) [ 10.733519][ T239] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.733521][ T239] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.733523][ T239] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.733527][ T239] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.733530][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.733532][ T239] RIP: 0033:0x7f436b2791b8 [ 10.733534][ T239] Code: Unable to access opcode bytes at 0x7f436b27918e. Code starting with the faulting instruction =========================================== [ 10.733535][ T239] RSP: 002b:00007fffdafb7ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.733537][ T239] RAX: ffffffffffffffda RBX: 00007f436b3a9f88 RCX: 00007f436b2791b8 [ 10.733539][ T239] RDX: 00007f436afc3fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.733540][ T239] RBP: 00007fffdafb7b40 R08: 0000000000000000 R09: 0000000000000000 [ 10.733541][ T239] R10: 00007fffdafb7900 R11: 0000000000000246 R12: 0000000000000001 [ 10.733541][ T239] R13: 0000000000000000 R14: 00007f436b3a8680 R15: 00007f436b3a9fa0 | [ 30.732101][ T748] softirqs last disabled at (27545): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 30.732103][ T748] Preemption disabled at: | [ 30.732104][ T748] 0x0 | [ 30.732114][ T748] Tainted: [W]=WARN [ 30.732115][ T748] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.732117][ T748] Call Trace: [ 30.732118][ T748] [ 30.732120][ T748] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.732126][ T748] __might_resched.cold (kernel/sched/core.c:9234) [ 30.732130][ T748] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.732134][ T748] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.732139][ T748] __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)) [ 30.732141][ T748] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.732147][ T748] ? 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) [ 30.732150][ T748] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.732153][ T748] put_chars (drivers/char/virtio_console.c:1176) [ 30.732156][ T748] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.732157][ T748] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.732160][ T748] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.732166][ T748] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.732173][ T748] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.732176][ T748] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.732177][ T748] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.732181][ T748] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.732185][ T748] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.732187][ T748] ? 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)) [ 30.732190][ T748] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.732192][ T748] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.732196][ T748] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.732200][ T748] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.732202][ T748] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.732207][ T748] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.732209][ T748] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.732211][ T748] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.732213][ T748] ? 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) [ 30.732216][ T748] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.732218][ T748] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.732221][ T748] vprintk_emit (kernel/printk/printk.c:2479) [ 30.732224][ T748] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.732227][ T748] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.732230][ T748] _printk (kernel/printk/printk.c:2504) [ 30.732234][ T748] ? snapshot_read.cold (user.c:?) [ 30.732237][ T748] ? 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) [ 30.732239][ T748] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.732243][ T748] ? 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) [ 30.732246][ T748] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 30.732249][ T748] ? exit_notify (kernel/exit.c:780) [ 30.732251][ T748] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.732253][ T748] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.732257][ T748] do_group_exit (kernel/exit.c:1151) [ 30.732259][ T748] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 30.732261][ T748] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 30.732264][ T748] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.732268][ T748] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.732271][ T748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.732273][ T748] RIP: 0033:0x7fe65ebed1b8 [ 30.732275][ T748] Code: Unable to access opcode bytes at 0x7fe65ebed18e. Code starting with the faulting instruction =========================================== [ 30.732276][ T748] RSP: 002b:00007ffe7f7d23c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 30.732278][ T748] RAX: ffffffffffffffda RBX: 00007fe65ed1df88 RCX: 00007fe65ebed1b8 [ 30.732280][ T748] RDX: 00007fe65e937fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 30.732281][ T748] RBP: 00007ffe7f7d2420 R08: 0000000000000000 R09: 0000000000008010 [ 30.732281][ T748] R10: 00007ffe7f7d21e0 R11: 0000000000000246 R12: 0000000000000001 [ 30.732282][ T748] R13: 0000000000000000 R14: 00007fe65ed1c680 R15: 00007fe65ed1dfa0 | [ 96.797799][ T2205] softirqs last disabled at (26756): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 96.797802][ T2205] Preemption disabled at: | [ 96.797802][ T2205] 0x0 | [ 96.797813][ T2205] Tainted: [W]=WARN [ 96.797814][ T2205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 96.797815][ T2205] Call Trace: [ 96.797817][ T2205] [ 96.797818][ T2205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 96.797825][ T2205] __might_resched.cold (kernel/sched/core.c:9234) [ 96.797829][ T2205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 96.797833][ T2205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 96.797838][ T2205] __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)) [ 96.797840][ T2205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.797846][ T2205] ? 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) [ 96.797848][ T2205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 96.797852][ T2205] put_chars (drivers/char/virtio_console.c:1176) [ 96.797854][ T2205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 96.797856][ T2205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 96.797859][ T2205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 96.797865][ T2205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 96.797872][ T2205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 96.797875][ T2205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.797877][ T2205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.797881][ T2205] console_emit_next_record (kernel/printk/printk.c:3183) [ 96.797885][ T2205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 96.797886][ T2205] ? 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)) [ 96.797890][ T2205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.797891][ T2205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 96.797895][ T2205] console_flush_one_record (kernel/printk/printk.c:3268) [ 96.797899][ T2205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 96.797901][ T2205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 96.797906][ T2205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 96.797909][ T2205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 96.797911][ T2205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.797912][ T2205] ? 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) [ 96.797916][ T2205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 96.797918][ T2205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 96.797920][ T2205] vprintk_emit (kernel/printk/printk.c:2479) [ 96.797923][ T2205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 96.797926][ T2205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 96.797930][ T2205] _printk (kernel/printk/printk.c:2504) [ 96.797933][ T2205] ? snapshot_read.cold (user.c:?) [ 96.797936][ T2205] ? 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) [ 96.797939][ T2205] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 96.797942][ T2205] ? 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) [ 96.797945][ T2205] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 96.797949][ T2205] ? exit_notify (kernel/exit.c:780) [ 96.797950][ T2205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 96.797953][ T2205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 96.797956][ T2205] do_group_exit (kernel/exit.c:1151) [ 96.797959][ T2205] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 96.797960][ T2205] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 96.797963][ T2205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 96.797967][ T2205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 96.797970][ T2205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 96.797972][ T2205] RIP: 0033:0x7fe57051b1b8 [ 96.797974][ T2205] Code: Unable to access opcode bytes at 0x7fe57051b18e. Code starting with the faulting instruction =========================================== [ 96.797975][ T2205] RSP: 002b:00007fffa0ecc858 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 96.797978][ T2205] RAX: ffffffffffffffda RBX: 00007fe57064bf88 RCX: 00007fe57051b1b8 [ 96.797979][ T2205] RDX: 00007fe570265fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 96.797980][ T2205] RBP: 00007fffa0ecc8b0 R08: 0000000000000000 R09: 0000000000000050 [ 96.797981][ T2205] R10: 00007fffa0ecc670 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