====================================== | [ 10.081206][ T207] softirqs last disabled at (46423): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.081208][ T207] Preemption disabled at: | [ 10.081209][ T207] 0x0 | [ 10.081218][ T207] Tainted: [W]=WARN [ 10.081219][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.081221][ T207] Call Trace: [ 10.081223][ T207] [ 10.081224][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.081231][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 10.081235][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.081240][ T207] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.081245][ T207] __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)) [ 10.081247][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.081253][ T207] ? 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) [ 10.081255][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.081259][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 10.081261][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.081263][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.081268][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.081273][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.081279][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.081281][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.081283][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.081287][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.081291][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.081293][ T207] ? 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)) [ 10.081296][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.081298][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.081302][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.081306][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.081308][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.081313][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.081316][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.081318][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.081320][ T207] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.081324][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.081325][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.081329][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 10.081332][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.081336][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.081340][ T207] _printk (kernel/printk/printk.c:2504) [ 10.081343][ T207] ? snapshot_read.cold (user.c:?) [ 10.081346][ T207] ? 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) [ 10.081348][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.081352][ T207] ? 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) [ 10.081355][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.081359][ T207] ? exit_notify (kernel/exit.c:780) [ 10.081361][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.081363][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.081367][ T207] do_group_exit (kernel/exit.c:1151) [ 10.081370][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.081372][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.081374][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.081377][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.081380][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.081383][ T207] RIP: 0033:0x7febfb7671b8 [ 10.081385][ T207] Code: Unable to access opcode bytes at 0x7febfb76718e. Code starting with the faulting instruction =========================================== [ 10.081386][ T207] RSP: 002b:00007ffea103f378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.081388][ T207] RAX: ffffffffffffffda RBX: 00007febfb897f88 RCX: 00007febfb7671b8 [ 10.081390][ T207] RDX: 00007febfb4b1fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.081391][ T207] RBP: 00007ffea103f3d0 R08: 0000000000000000 R09: 0000000000008010 [ 10.081392][ T207] R10: 00007ffea103f190 R11: 0000000000000246 R12: 0000000000000001 [ 10.081392][ T207] R13: 0000000000000000 R14: 00007febfb896680 R15: 00007febfb897fa0 | [ 37.392675][ T1529] softirqs last disabled at (26961): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 37.392677][ T1529] Preemption disabled at: | [ 37.392678][ T1529] 0x0 | [ 37.392687][ T1529] Tainted: [W]=WARN [ 37.392688][ T1529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.392690][ T1529] Call Trace: [ 37.392692][ T1529] [ 37.392693][ T1529] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.392699][ T1529] __might_resched.cold (kernel/sched/core.c:9234) [ 37.392704][ T1529] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.392708][ T1529] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.392713][ T1529] __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)) [ 37.392715][ T1529] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.392721][ T1529] ? 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) [ 37.392724][ T1529] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.392727][ T1529] put_chars (drivers/char/virtio_console.c:1176) [ 37.392729][ T1529] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.392731][ T1529] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.392736][ T1529] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.392740][ T1529] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.392747][ T1529] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.392749][ T1529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.392751][ T1529] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.392755][ T1529] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.392759][ T1529] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.392760][ T1529] ? 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)) [ 37.392763][ T1529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.392766][ T1529] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.392769][ T1529] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.392773][ T1529] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.392775][ T1529] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.392780][ T1529] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.392783][ T1529] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.392785][ T1529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.392787][ T1529] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.392790][ T1529] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.392792][ T1529] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.392795][ T1529] vprintk_emit (kernel/printk/printk.c:2479) [ 37.392799][ T1529] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.392802][ T1529] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.392806][ T1529] _printk (kernel/printk/printk.c:2504) [ 37.392810][ T1529] ? snapshot_read.cold (user.c:?) [ 37.392812][ T1529] ? 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) [ 37.392815][ T1529] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.392819][ T1529] ? 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) [ 37.392821][ T1529] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 37.392825][ T1529] ? exit_notify (kernel/exit.c:780) [ 37.392827][ T1529] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.392830][ T1529] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.392834][ T1529] do_group_exit (kernel/exit.c:1151) [ 37.392836][ T1529] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 37.392838][ T1529] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 37.392840][ T1529] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.392843][ T1529] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.392846][ T1529] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.392848][ T1529] RIP: 0033:0x7fc2616a61b8 [ 37.392850][ T1529] Code: Unable to access opcode bytes at 0x7fc2616a618e. Code starting with the faulting instruction =========================================== [ 37.392852][ T1529] RSP: 002b:00007ffff08c2ad8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.392854][ T1529] RAX: ffffffffffffffda RBX: 00007fc2617d6f88 RCX: 00007fc2616a61b8 [ 37.392856][ T1529] RDX: 00007fc2613f0fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 37.392856][ T1529] RBP: 00007ffff08c2b30 R08: 0000000000000000 R09: 0000000000008010 [ 37.392857][ T1529] R10: 00007ffff08c28f0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print