====================================== | [ 17.567137][ T502] softirqs last disabled at (49711): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 17.567139][ T502] Preemption disabled at: | [ 17.567139][ T502] 0x0 | [ 17.567150][ T502] Tainted: [W]=WARN [ 17.567151][ T502] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.567152][ T502] Call Trace: [ 17.567154][ T502] [ 17.567155][ T502] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.567161][ T502] __might_resched.cold (kernel/sched/core.c:9234) [ 17.567166][ T502] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.567170][ T502] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 17.567175][ T502] __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)) [ 17.567177][ T502] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.567183][ T502] ? 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) [ 17.567186][ T502] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.567190][ T502] put_chars (drivers/char/virtio_console.c:1176) [ 17.567193][ T502] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.567194][ T502] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 17.567199][ T502] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.567204][ T502] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.567211][ T502] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.567214][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.567216][ T502] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.567220][ T502] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.567223][ T502] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.567225][ T502] ? 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)) [ 17.567228][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.567230][ T502] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.567233][ T502] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.567237][ T502] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.567239][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.567244][ T502] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.567246][ T502] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.567248][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.567250][ T502] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.567253][ T502] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.567255][ T502] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.567258][ T502] vprintk_emit (kernel/printk/printk.c:2479) [ 17.567261][ T502] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.567263][ T502] ? 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) [ 17.567265][ T502] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.567269][ T502] _printk (kernel/printk/printk.c:2504) [ 17.567272][ T502] ? snapshot_read.cold (user.c:?) [ 17.567275][ T502] ? 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) [ 17.567278][ T502] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.567281][ T502] ? 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) [ 17.567283][ T502] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 17.567287][ T502] ? exit_notify (kernel/exit.c:780) [ 17.567289][ T502] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.567291][ T502] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.567295][ T502] do_group_exit (kernel/exit.c:1151) [ 17.567298][ T502] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 17.567300][ T502] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 17.567302][ T502] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.567306][ T502] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.567309][ T502] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.567312][ T502] RIP: 0033:0x7fce8b4271b8 [ 17.567314][ T502] Code: Unable to access opcode bytes at 0x7fce8b42718e. Code starting with the faulting instruction =========================================== [ 17.567315][ T502] RSP: 002b:00007ffe553134f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 17.567317][ T502] RAX: ffffffffffffffda RBX: 00007fce8b557f88 RCX: 00007fce8b4271b8 [ 17.567319][ T502] RDX: 00007fce8b364a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 17.567319][ T502] RBP: 00007ffe55313550 R08: 0000000000000000 R09: 0000000000000000 [ 17.567320][ T502] R10: 00007ffe55313390 R11: 0000000000000246 R12: 0000000000000001 [ 17.567321][ T502] R13: 0000000000000000 R14: 00007fce8b556680 R15: 00007fce8b557fa0 | [ 29.407158][ T920] softirqs last disabled at (654131): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.407160][ T920] Preemption disabled at: | [ 29.407160][ T920] 0x0 | [ 29.407171][ T920] Tainted: [W]=WARN [ 29.407172][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.407173][ T920] Call Trace: [ 29.407175][ T920] [ 29.407176][ T920] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.407182][ T920] __might_resched.cold (kernel/sched/core.c:9234) [ 29.407186][ T920] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.407190][ T920] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.407195][ T920] __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)) [ 29.407197][ T920] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.407203][ T920] ? 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) [ 29.407206][ T920] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.407209][ T920] put_chars (drivers/char/virtio_console.c:1176) [ 29.407212][ T920] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.407214][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.407219][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.407224][ T920] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.407231][ T920] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.407234][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.407236][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.407239][ T920] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.407243][ T920] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.407244][ T920] ? 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)) [ 29.407247][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.407249][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.407253][ T920] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.407257][ T920] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.407258][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.407263][ T920] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.407266][ T920] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.407267][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.407269][ T920] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.407273][ T920] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.407274][ T920] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.407277][ T920] vprintk_emit (kernel/printk/printk.c:2479) [ 29.407281][ T920] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.407284][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.407287][ T920] _printk (kernel/printk/printk.c:2504) [ 29.407291][ T920] ? snapshot_read.cold (user.c:?) [ 29.407293][ T920] ? 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) [ 29.407296][ T920] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.407299][ T920] ? 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) [ 29.407301][ T920] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 29.407305][ T920] ? exit_notify (kernel/exit.c:780) [ 29.407307][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.407309][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.407313][ T920] do_group_exit (kernel/exit.c:1151) [ 29.407316][ T920] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 29.407319][ T920] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 29.407321][ T920] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.407324][ T920] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.407327][ T920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.407330][ T920] RIP: 0033:0x7fb55d8031b8 [ 29.407332][ T920] Code: Unable to access opcode bytes at 0x7fb55d80318e. Code starting with the faulting instruction =========================================== [ 29.407333][ T920] RSP: 002b:00007ffc1d681148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 29.407336][ T920] RAX: ffffffffffffffda RBX: 00007fb55d933f88 RCX: 00007fb55d8031b8 [ 29.407337][ T920] RDX: 00007fb55d740a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 29.407338][ T920] RBP: 00007ffc1d6811a0 R08: 0000000000000000 R09: 0000000000000000 [ 29.407339][ T920] R10: 00007ffc1d680fe0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print