====================================== | [ 10.335977][ T194] softirqs last disabled at (29279): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.335979][ T194] Preemption disabled at: | [ 10.335979][ T194] 0x0 | [ 10.335989][ T194] Tainted: [W]=WARN [ 10.335990][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.335992][ T194] Call Trace: [ 10.335993][ T194] [ 10.335995][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.336001][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 10.336006][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.336009][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.336014][ T194] __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)) [ 10.336016][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.336022][ T194] ? 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) [ 10.336025][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.336028][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 10.336031][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.336033][ T194] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.336038][ T194] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.336043][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.336050][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.336052][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.336055][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.336058][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.336062][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.336064][ T194] ? 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)) [ 10.336067][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.336069][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.336072][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.336076][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.336078][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.336083][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.336085][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.336087][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.336089][ T194] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.336092][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.336094][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.336097][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 10.336100][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.336103][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.336107][ T194] _printk (kernel/printk/printk.c:2504) [ 10.336110][ T194] ? snapshot_read.cold (user.c:?) [ 10.336113][ T194] ? 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) [ 10.336115][ T194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.336119][ T194] ? 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) [ 10.336121][ T194] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.336125][ T194] ? exit_notify (kernel/exit.c:780) [ 10.336126][ T194] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.336129][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.336133][ T194] do_group_exit (kernel/exit.c:1151) [ 10.336136][ T194] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.336138][ T194] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.336140][ T194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.336144][ T194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.336147][ T194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.336150][ T194] RIP: 0033:0x7fa8843e31b8 [ 10.336152][ T194] Code: Unable to access opcode bytes at 0x7fa8843e318e. Code starting with the faulting instruction =========================================== [ 10.336153][ T194] RSP: 002b:00007fffce5bb458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.336155][ T194] RAX: ffffffffffffffda RBX: 00007fa884513f88 RCX: 00007fa8843e31b8 [ 10.336157][ T194] RDX: 00007fa88412dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.336157][ T194] RBP: 00007fffce5bb4b0 R08: 0000000000000000 R09: 0000000000000050 [ 10.336158][ T194] R10: 00007fffce5bb270 R11: 0000000000000246 R12: 0000000000000001 [ 10.336159][ T194] R13: 0000000000000000 R14: 00007fa884512680 R15: 00007fa884513fa0 | [ 15.366315][ T390] softirqs last disabled at (26079): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.366317][ T390] Preemption disabled at: | [ 15.366318][ T390] 0x0 | [ 15.366328][ T390] Tainted: [W]=WARN [ 15.366329][ T390] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.366330][ T390] Call Trace: [ 15.366332][ T390] [ 15.366333][ T390] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.366339][ T390] __might_resched.cold (kernel/sched/core.c:9234) [ 15.366350][ T390] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.366353][ T390] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.366358][ T390] __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)) [ 15.366360][ T390] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.366367][ T390] ? 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) [ 15.366369][ T390] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.366373][ T390] put_chars (drivers/char/virtio_console.c:1176) [ 15.366376][ T390] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.366378][ T390] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.366382][ T390] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.366387][ T390] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.366395][ T390] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.366397][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.366399][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.366403][ T390] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.366407][ T390] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.366408][ T390] ? 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)) [ 15.366411][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.366413][ T390] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.366417][ T390] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.366420][ T390] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.366422][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.366427][ T390] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.366429][ T390] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.366431][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.366433][ T390] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.366436][ T390] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.366438][ T390] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.366441][ T390] vprintk_emit (kernel/printk/printk.c:2479) [ 15.366444][ T390] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.366447][ T390] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.366451][ T390] _printk (kernel/printk/printk.c:2504) [ 15.366454][ T390] ? snapshot_read.cold (user.c:?) [ 15.366457][ T390] ? 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) [ 15.366459][ T390] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.366463][ T390] ? 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) [ 15.366465][ T390] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.366469][ T390] ? exit_notify (kernel/exit.c:780) [ 15.366470][ T390] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.366473][ T390] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.366477][ T390] do_group_exit (kernel/exit.c:1151) [ 15.366480][ T390] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.366482][ T390] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.366484][ T390] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.366487][ T390] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.366490][ T390] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.366493][ T390] RIP: 0033:0x7febfa5a81b8 [ 15.366495][ T390] Code: Unable to access opcode bytes at 0x7febfa5a818e. Code starting with the faulting instruction =========================================== [ 15.366496][ T390] RSP: 002b:00007ffca3760788 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.366499][ T390] RAX: ffffffffffffffda RBX: 00007febfa6d8f88 RCX: 00007febfa5a81b8 [ 15.366500][ T390] RDX: 00007febfa2f2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.366501][ T390] RBP: 00007ffca37607e0 R08: 0000000000000000 R09: 0000000000000050 [ 15.366502][ T390] R10: 00007ffca37605a0 R11: 0000000000000246 R12: 0000000000000001 [ 15.366503][ T390] R13: 0000000000000000 R14: 00007febfa6d7680 R15: 00007febfa6d8fa0 | [ 1097.514464][T27768] softirqs last disabled at (34573): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 1097.514466][T27768] Preemption disabled at: | [ 1097.514466][T27768] 0x0 | [ 1097.514476][T27768] Tainted: [W]=WARN [ 1097.514477][T27768] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1097.514479][T27768] Call Trace: [ 1097.514481][T27768] [ 1097.514482][T27768] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 1097.514488][T27768] __might_resched.cold (kernel/sched/core.c:9234) [ 1097.514492][T27768] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 1097.514496][T27768] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 1097.514501][T27768] __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)) [ 1097.514503][T27768] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1097.514509][T27768] ? 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) [ 1097.514511][T27768] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 1097.514515][T27768] put_chars (drivers/char/virtio_console.c:1176) [ 1097.514518][T27768] ? __send_to_port (drivers/char/virtio_console.c:654) [ 1097.514520][T27768] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 1097.514529][T27768] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 1097.514534][T27768] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 1097.514541][T27768] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 1097.514544][T27768] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1097.514546][T27768] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1097.514549][T27768] console_emit_next_record (kernel/printk/printk.c:3183) [ 1097.514553][T27768] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 1097.514555][T27768] ? 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)) [ 1097.514557][T27768] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1097.514560][T27768] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 1097.514563][T27768] console_flush_one_record (kernel/printk/printk.c:3268) [ 1097.514567][T27768] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 1097.514568][T27768] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1097.514573][T27768] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 1097.514576][T27768] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 1097.514577][T27768] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1097.514579][T27768] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 1097.514583][T27768] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 1097.514584][T27768] ? vprintk_emit (kernel/printk/printk.c:2478) [ 1097.514587][T27768] vprintk_emit (kernel/printk/printk.c:2479) [ 1097.514590][T27768] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 1097.514594][T27768] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 1097.514597][T27768] _printk (kernel/printk/printk.c:2504) [ 1097.514600][T27768] ? snapshot_read.cold (user.c:?) [ 1097.514603][T27768] ? 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) [ 1097.514605][T27768] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 1097.514609][T27768] ? 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) [ 1097.514611][T27768] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 1097.514615][T27768] ? exit_notify (kernel/exit.c:780) [ 1097.514617][T27768] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 1097.514619][T27768] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 1097.514623][T27768] do_group_exit (kernel/exit.c:1151) [ 1097.514626][T27768] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 1097.514628][T27768] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 1097.514630][T27768] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 1097.514633][T27768] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 1097.514637][T27768] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 1097.514639][T27768] RIP: 0033:0x7f508db651b8 [ 1097.514641][T27768] Code: Unable to access opcode bytes at 0x7f508db6518e. Code starting with the faulting instruction =========================================== [ 1097.514642][T27768] RSP: 002b:00007ffdae98f028 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1097.514644][T27768] RAX: ffffffffffffffda RBX: 00007f508dc95f88 RCX: 00007f508db651b8 [ 1097.514646][T27768] RDX: 00007f508daa2a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 1097.514647][T27768] RBP: 00007ffdae98f080 R08: 0000000000000000 R09: 0000000000000000 [ 1097.514648][T27768] R10: 00007ffdae98eec0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print