====================================== | [ 10.748528][ T248] softirqs last disabled at (48275): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.748530][ T248] Preemption disabled at: | [ 10.748531][ T248] 0x0 | [ 10.748541][ T248] Tainted: [W]=WARN [ 10.748542][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.748543][ T248] Call Trace: [ 10.748544][ T248] [ 10.748545][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.748553][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 10.748558][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.748562][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.748566][ T248] __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)) [ 10.748568][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.748575][ T248] ? 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) [ 10.748578][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.748581][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 10.748584][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.748585][ T248] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.748588][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.748594][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.748601][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.748604][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.748606][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.748610][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.748614][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.748616][ T248] ? 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)) [ 10.748619][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.748620][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.748624][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.748628][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.748630][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.748636][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.748638][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.748640][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.748642][ T248] ? 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) [ 10.748646][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.748647][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.748650][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 10.748653][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.748654][ T248] ? 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) [ 10.748657][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.748661][ T248] _printk (kernel/printk/printk.c:2504) [ 10.748664][ T248] ? snapshot_read.cold (user.c:?) [ 10.748667][ T248] ? 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) [ 10.748670][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.748674][ T248] ? 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) [ 10.748676][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.748680][ T248] ? exit_notify (kernel/exit.c:780) [ 10.748681][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.748684][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.748687][ T248] do_group_exit (kernel/exit.c:1151) [ 10.748690][ T248] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.748692][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.748694][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.748698][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.748701][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.748703][ T248] RIP: 0033:0x7fa8ce2441b8 [ 10.748705][ T248] Code: Unable to access opcode bytes at 0x7fa8ce24418e. Code starting with the faulting instruction =========================================== [ 10.748706][ T248] RSP: 002b:00007ffd742e6338 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.748709][ T248] RAX: ffffffffffffffda RBX: 00007fa8ce374f88 RCX: 00007fa8ce2441b8 [ 10.748710][ T248] RDX: 00007fa8ce181a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 10.748711][ T248] RBP: 00007ffd742e6390 R08: 0000000000000000 R09: 0000000000000000 [ 10.748712][ T248] R10: 00007ffd742e61d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.748712][ T248] R13: 0000000000000000 R14: 00007fa8ce373680 R15: 00007fa8ce374fa0 | [ 11.950195][ T298] softirqs last disabled at (28871): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.950197][ T298] Preemption disabled at: | [ 11.950198][ T298] 0x0 | [ 11.950209][ T298] Tainted: [W]=WARN [ 11.950210][ T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.950211][ T298] Call Trace: [ 11.950213][ T298] [ 11.950214][ T298] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.950221][ T298] __might_resched.cold (kernel/sched/core.c:9234) [ 11.950225][ T298] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.950229][ T298] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.950234][ T298] __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)) [ 11.950236][ T298] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.950243][ T298] ? 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) [ 11.950246][ T298] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.950249][ T298] put_chars (drivers/char/virtio_console.c:1176) [ 11.950252][ T298] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.950253][ T298] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.950257][ T298] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.950262][ T298] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.950270][ T298] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.950273][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950275][ T298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.950279][ T298] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.950283][ T298] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.950285][ T298] ? 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)) [ 11.950288][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950290][ T298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.950294][ T298] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.950298][ T298] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.950300][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950306][ T298] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.950308][ T298] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.950310][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950312][ T298] ? 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) [ 11.950316][ T298] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.950318][ T298] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.950321][ T298] vprintk_emit (kernel/printk/printk.c:2479) [ 11.950324][ T298] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.950327][ T298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.950330][ T298] _printk (kernel/printk/printk.c:2504) [ 11.950334][ T298] ? snapshot_read.cold (user.c:?) [ 11.950337][ T298] ? 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) [ 11.950340][ T298] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.950344][ T298] ? 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) [ 11.950347][ T298] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.950351][ T298] ? exit_notify (kernel/exit.c:780) [ 11.950352][ T298] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.950355][ T298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.950359][ T298] do_group_exit (kernel/exit.c:1151) [ 11.950361][ T298] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.950363][ T298] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.950366][ T298] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.950370][ T298] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.950373][ T298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.950375][ T298] RIP: 0033:0x7f118d2a81b8 [ 11.950377][ T298] Code: Unable to access opcode bytes at 0x7f118d2a818e. Code starting with the faulting instruction =========================================== [ 11.950379][ T298] RSP: 002b:00007ffd039269e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.950381][ T298] RAX: ffffffffffffffda RBX: 00007f118d3d8f88 RCX: 00007f118d2a81b8 [ 11.950382][ T298] RDX: 00007f118cff2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.950383][ T298] RBP: 00007ffd03926a40 R08: 0000000000000000 R09: 0000000000000050 [ 11.950384][ T298] R10: 00007ffd03926800 R11: 0000000000000246 R12: 0000000000000001 [ 11.950385][ T298] R13: 0000000000000000 R14: 00007f118d3d7680 R15: 00007f118d3d8fa0 | [ 39.742487][ T926] softirqs last disabled at (44295): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 39.742490][ T926] Preemption disabled at: | [ 39.742490][ T926] 0x0 | [ 39.742501][ T926] Tainted: [W]=WARN [ 39.742502][ T926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.742503][ T926] Call Trace: [ 39.742505][ T926] [ 39.742506][ T926] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.742513][ T926] __might_resched.cold (kernel/sched/core.c:9234) [ 39.742517][ T926] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.742521][ T926] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.742525][ T926] __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)) [ 39.742527][ T926] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.742534][ T926] ? 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) [ 39.742536][ T926] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.742540][ T926] put_chars (drivers/char/virtio_console.c:1176) [ 39.742542][ T926] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.742543][ T926] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 39.742549][ T926] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.742555][ T926] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.742562][ T926] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.742565][ T926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.742567][ T926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.742571][ T926] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.742575][ T926] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.742577][ T926] ? 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)) [ 39.742580][ T926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.742582][ T926] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.742586][ T926] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.742590][ T926] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.742592][ T926] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.742597][ T926] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.742600][ T926] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.742601][ T926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.742603][ T926] ? 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) [ 39.742607][ T926] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.742609][ T926] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.742611][ T926] vprintk_emit (kernel/printk/printk.c:2479) [ 39.742614][ T926] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.742616][ T926] ? 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) [ 39.742619][ T926] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.742622][ T926] _printk (kernel/printk/printk.c:2504) [ 39.742626][ T926] ? snapshot_read.cold (user.c:?) [ 39.742629][ T926] ? 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) [ 39.742631][ T926] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.742635][ T926] ? 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) [ 39.742638][ T926] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 39.742641][ T926] ? exit_notify (kernel/exit.c:780) [ 39.742643][ T926] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.742646][ T926] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.742649][ T926] do_group_exit (kernel/exit.c:1151) [ 39.742652][ T926] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 39.742654][ T926] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 39.742656][ T926] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.742660][ T926] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.742663][ T926] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.742665][ T926] RIP: 0033:0x7f3c02d321b8 [ 39.742668][ T926] Code: Unable to access opcode bytes at 0x7f3c02d3218e. Code starting with the faulting instruction =========================================== [ 39.742669][ T926] RSP: 002b:00007ffff3595728 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.742671][ T926] RAX: ffffffffffffffda RBX: 00007f3c02e62f88 RCX: 00007f3c02d321b8 [ 39.742672][ T926] RDX: 00007f3c02c6fa48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 39.742673][ T926] RBP: 00007ffff3595780 R08: 0000000000000000 R09: 0000000000000000 [ 39.742674][ T926] R10: 00007ffff35955c0 R11: 0000000000000246 R12: 0000000000000001 [ 39.742675][ T926] R13: 0000000000000000 R14: 00007f3c02e61680 R15: 00007f3c02e62fa0 | [ 52.281528][ T1227] softirqs last disabled at (44457): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.281531][ T1227] Preemption disabled at: | [ 52.281531][ T1227] 0x0 | [ 52.281542][ T1227] Tainted: [W]=WARN [ 52.281543][ T1227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.281545][ T1227] Call Trace: [ 52.281549][ T1227] [ 52.281550][ T1227] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.281558][ T1227] __might_resched.cold (kernel/sched/core.c:9234) [ 52.281562][ T1227] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.281567][ T1227] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.281571][ T1227] __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)) [ 52.281573][ T1227] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.281580][ T1227] ? 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) [ 52.281583][ T1227] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.281587][ T1227] put_chars (drivers/char/virtio_console.c:1176) [ 52.281589][ T1227] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.281590][ T1227] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 52.281594][ T1227] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.281600][ T1227] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.281607][ T1227] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.281610][ T1227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.281612][ T1227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.281616][ T1227] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.281620][ T1227] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.281622][ T1227] ? 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)) [ 52.281626][ T1227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.281627][ T1227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.281631][ T1227] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.281636][ T1227] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.281638][ T1227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.281643][ T1227] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.281646][ T1227] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.281648][ T1227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.281650][ T1227] ? 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) [ 52.281654][ T1227] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.281656][ T1227] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.281658][ T1227] vprintk_emit (kernel/printk/printk.c:2479) [ 52.281662][ T1227] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.281663][ T1227] ? 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) [ 52.281666][ T1227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.281670][ T1227] _printk (kernel/printk/printk.c:2504) [ 52.281674][ T1227] ? snapshot_read.cold (user.c:?) [ 52.281677][ T1227] ? 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) [ 52.281680][ T1227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.281684][ T1227] ? 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) [ 52.281686][ T1227] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 52.281690][ T1227] ? exit_notify (kernel/exit.c:780) [ 52.281692][ T1227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.281694][ T1227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.281698][ T1227] do_group_exit (kernel/exit.c:1151) [ 52.281701][ T1227] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 52.281703][ T1227] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 52.281705][ T1227] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.281709][ T1227] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.281712][ T1227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.281715][ T1227] RIP: 0033:0x7f626b4561b8 [ 52.281717][ T1227] Code: Unable to access opcode bytes at 0x7f626b45618e. Code starting with the faulting instruction =========================================== [ 52.281718][ T1227] RSP: 002b:00007ffe40e834a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.281720][ T1227] RAX: ffffffffffffffda RBX: 00007f626b586f88 RCX: 00007f626b4561b8 [ 52.281722][ T1227] RDX: 00007f626b393a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 52.281723][ T1227] RBP: 00007ffe40e83500 R08: 0000000000000000 R09: 0000000000000000 [ 52.281724][ T1227] R10: 00007ffe40e83340 R11: 0000000000000246 R12: 0000000000000001 [ 52.281724][ T1227] R13: 0000000000000000 R14: 00007f626b585680 R15: 00007f626b586fa0 | [ 54.183318][ T1301] softirqs last disabled at (52675): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 54.183321][ T1301] Preemption disabled at: | [ 54.183321][ T1301] 0x0 | [ 54.183331][ T1301] Tainted: [W]=WARN [ 54.183332][ T1301] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.183334][ T1301] Call Trace: [ 54.183335][ T1301] [ 54.183341][ T1301] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.183348][ T1301] __might_resched.cold (kernel/sched/core.c:9234) [ 54.183352][ T1301] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.183356][ T1301] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 54.183361][ T1301] __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)) [ 54.183362][ T1301] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.183369][ T1301] ? 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) [ 54.183371][ T1301] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.183375][ T1301] put_chars (drivers/char/virtio_console.c:1176) [ 54.183377][ T1301] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.183379][ T1301] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 54.183382][ T1301] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 54.183388][ T1301] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.183395][ T1301] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.183398][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.183400][ T1301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.183404][ T1301] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.183408][ T1301] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.183409][ T1301] ? 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)) [ 54.183412][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.183414][ T1301] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.183418][ T1301] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.183422][ T1301] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.183424][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.183429][ T1301] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.183432][ T1301] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.183434][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.183435][ T1301] ? 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) [ 54.183439][ T1301] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.183441][ T1301] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.183444][ T1301] vprintk_emit (kernel/printk/printk.c:2479) [ 54.183447][ T1301] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.183448][ T1301] ? 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) [ 54.183451][ T1301] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.183455][ T1301] _printk (kernel/printk/printk.c:2504) [ 54.183459][ T1301] ? snapshot_read.cold (user.c:?) [ 54.183461][ T1301] ? 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) [ 54.183464][ T1301] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.183468][ T1301] ? 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) [ 54.183470][ T1301] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 54.183474][ T1301] ? exit_notify (kernel/exit.c:780) [ 54.183475][ T1301] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 54.183478][ T1301] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.183482][ T1301] do_group_exit (kernel/exit.c:1151) [ 54.183484][ T1301] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 54.183486][ T1301] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 54.183489][ T1301] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 54.183493][ T1301] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 54.183495][ T1301] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.183498][ T1301] RIP: 0033:0x7f2ec6cf41b8 [ 54.183500][ T1301] Code: Unable to access opcode bytes at 0x7f2ec6cf418e. Code starting with the faulting instruction =========================================== [ 54.183501][ T1301] RSP: 002b:00007ffdb1619158 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.183503][ T1301] RAX: ffffffffffffffda RBX: 00007f2ec6e24f88 RCX: 00007f2ec6cf41b8 [ 54.183505][ T1301] RDX: 00007f2ec6c31a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 54.183505][ T1301] RBP: 00007ffdb16191b0 R08: 0000000000000000 R09: 0000000000000000 [ 54.183506][ T1301] R10: 00007ffdb1618ff0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print