====================================== | [ 9.894973][ T192] softirqs last disabled at (24375): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.894976][ T192] Preemption disabled at: | [ 9.894976][ T192] 0x0 | [ 9.894986][ T192] Tainted: [W]=WARN [ 9.894987][ T192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.894989][ T192] Call Trace: [ 9.894991][ T192] [ 9.894993][ T192] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.894999][ T192] __might_resched.cold (kernel/sched/core.c:9234) [ 9.895004][ T192] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.895008][ T192] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.895013][ T192] __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)) [ 9.895015][ T192] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.895021][ T192] ? 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) [ 9.895024][ T192] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.895027][ T192] put_chars (drivers/char/virtio_console.c:1176) [ 9.895030][ T192] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.895032][ T192] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.895036][ T192] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.895042][ T192] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.895048][ T192] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.895050][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.895053][ T192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.895058][ T192] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.895062][ T192] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.895064][ T192] ? 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)) [ 9.895067][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.895069][ T192] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.895073][ T192] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.895077][ T192] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.895079][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.895084][ T192] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.895087][ T192] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.895089][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.895091][ T192] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.895095][ T192] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.895096][ T192] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.895100][ T192] vprintk_emit (kernel/printk/printk.c:2479) [ 9.895103][ T192] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.895107][ T192] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.895111][ T192] _printk (kernel/printk/printk.c:2504) [ 9.895114][ T192] ? snapshot_read.cold (user.c:?) [ 9.895117][ T192] ? 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) [ 9.895120][ T192] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.895124][ T192] ? 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) [ 9.895126][ T192] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.895130][ T192] ? exit_notify (kernel/exit.c:780) [ 9.895132][ T192] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.895135][ T192] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.895139][ T192] do_group_exit (kernel/exit.c:1151) [ 9.895142][ T192] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.895144][ T192] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.895146][ T192] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.895149][ T192] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.895152][ T192] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.895155][ T192] RIP: 0033:0x7f8efe0be1b8 [ 9.895157][ T192] Code: Unable to access opcode bytes at 0x7f8efe0be18e. Code starting with the faulting instruction =========================================== [ 9.895158][ T192] RSP: 002b:00007fff6bd55438 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.895160][ T192] RAX: ffffffffffffffda RBX: 00007f8efe1eef88 RCX: 00007f8efe0be1b8 [ 9.895162][ T192] RDX: 00007f8efde08fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.895163][ T192] RBP: 00007fff6bd55490 R08: 0000000000000000 R09: 0000000000008010 [ 9.895163][ T192] R10: 00007fff6bd55250 R11: 0000000000000246 R12: 0000000000000001 [ 9.895164][ T192] R13: 0000000000000000 R14: 00007f8efe1ed680 R15: 00007f8efe1eefa0 | [ 168.818307][ T1132] softirqs last disabled at (13245): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 168.818309][ T1132] Preemption disabled at: | [ 168.818310][ T1132] 0x0 | [ 168.818320][ T1132] Tainted: [W]=WARN [ 168.818320][ T1132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 168.818322][ T1132] Call Trace: [ 168.818323][ T1132] [ 168.818325][ T1132] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 168.818331][ T1132] __might_resched.cold (kernel/sched/core.c:9234) [ 168.818336][ T1132] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 168.818340][ T1132] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 168.818345][ T1132] __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)) [ 168.818347][ T1132] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 168.818353][ T1132] ? 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) [ 168.818355][ T1132] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 168.818358][ T1132] put_chars (drivers/char/virtio_console.c:1176) [ 168.818361][ T1132] ? __send_to_port (drivers/char/virtio_console.c:654) [ 168.818363][ T1132] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 168.818367][ T1132] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 168.818372][ T1132] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 168.818378][ T1132] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 168.818380][ T1132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.818383][ T1132] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.818387][ T1132] console_emit_next_record (kernel/printk/printk.c:3183) [ 168.818390][ T1132] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 168.818392][ T1132] ? 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)) [ 168.818396][ T1132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.818398][ T1132] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 168.818402][ T1132] console_flush_one_record (kernel/printk/printk.c:3268) [ 168.818406][ T1132] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 168.818408][ T1132] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 168.818413][ T1132] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 168.818415][ T1132] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 168.818417][ T1132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.818420][ T1132] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 168.818423][ T1132] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 168.818425][ T1132] ? vprintk_emit (kernel/printk/printk.c:2478) [ 168.818428][ T1132] vprintk_emit (kernel/printk/printk.c:2479) [ 168.818432][ T1132] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 168.818435][ T1132] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 168.818439][ T1132] _printk (kernel/printk/printk.c:2504) [ 168.818443][ T1132] ? snapshot_read.cold (user.c:?) [ 168.818445][ T1132] ? 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) [ 168.818448][ T1132] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 168.818452][ T1132] ? 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) [ 168.818454][ T1132] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 168.818458][ T1132] ? exit_notify (kernel/exit.c:780) [ 168.818460][ T1132] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 168.818463][ T1132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 168.818467][ T1132] do_group_exit (kernel/exit.c:1151) [ 168.818469][ T1132] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 168.818471][ T1132] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 168.818473][ T1132] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 168.818476][ T1132] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 168.818480][ T1132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 168.818482][ T1132] RIP: 0033:0x7f79a78241b8 [ 168.818484][ T1132] Code: Unable to access opcode bytes at 0x7f79a782418e. Code starting with the faulting instruction =========================================== [ 168.818485][ T1132] RSP: 002b:00007ffc0583f0a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 168.818487][ T1132] RAX: ffffffffffffffda RBX: 00007f79a7954f88 RCX: 00007f79a78241b8 [ 168.818489][ T1132] RDX: 00007f79a7648a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 168.818489][ T1132] RBP: 00007ffc0583f100 R08: 00000000ffffffff R09: 0000000000000020 [ 168.818490][ T1132] R10: 00007ffc0583ef20 R11: 0000000000000246 R12: 0000000000000004 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print