====================================== | [ 9.841136][ T211] softirqs last disabled at (39761): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.841138][ T211] Preemption disabled at: | [ 9.841139][ T211] 0x0 | [ 9.841149][ T211] Tainted: [W]=WARN [ 9.841150][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.841151][ T211] Call Trace: [ 9.841153][ T211] [ 9.841154][ T211] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.841160][ T211] __might_resched.cold (kernel/sched/core.c:9234) [ 9.841165][ T211] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.841169][ T211] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.841174][ T211] __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)) [ 9.841175][ T211] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.841182][ T211] ? 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) [ 9.841185][ T211] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.841189][ T211] put_chars (drivers/char/virtio_console.c:1176) [ 9.841191][ T211] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.841192][ T211] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.841195][ T211] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.841201][ T211] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.841209][ T211] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.841211][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.841213][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.841217][ T211] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.841221][ T211] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.841223][ T211] ? 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)) [ 9.841226][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.841228][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.841232][ T211] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.841236][ T211] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.841238][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.841243][ T211] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.841246][ T211] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.841248][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.841249][ T211] ? 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) [ 9.841253][ T211] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.841255][ T211] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.841257][ T211] vprintk_emit (kernel/printk/printk.c:2479) [ 9.841260][ T211] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.841263][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.841267][ T211] _printk (kernel/printk/printk.c:2504) [ 9.841270][ T211] ? snapshot_read.cold (user.c:?) [ 9.841273][ T211] ? 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) [ 9.841276][ T211] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.841279][ T211] ? 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) [ 9.841282][ T211] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.841286][ T211] ? exit_notify (kernel/exit.c:780) [ 9.841287][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.841290][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.841293][ T211] do_group_exit (kernel/exit.c:1151) [ 9.841296][ T211] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.841298][ T211] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.841300][ T211] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.841304][ T211] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.841307][ T211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.841309][ T211] RIP: 0033:0x7f53428e01b8 [ 9.841311][ T211] Code: Unable to access opcode bytes at 0x7f53428e018e. Code starting with the faulting instruction =========================================== [ 9.841312][ T211] RSP: 002b:00007ffc07ac6ce8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.841315][ T211] RAX: ffffffffffffffda RBX: 00007f5342a10f88 RCX: 00007f53428e01b8 [ 9.841316][ T211] RDX: 00007f534262afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.841317][ T211] RBP: 00007ffc07ac6d40 R08: 0000000000000000 R09: 0000000000000060 [ 9.841318][ T211] R10: 00007ffc07ac6b00 R11: 0000000000000246 R12: 0000000000000001 [ 9.841318][ T211] R13: 0000000000000000 R14: 00007f5342a0f680 R15: 00007f5342a10fa0 | [ 12.056178][ T273] softirqs last disabled at (27005): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.056180][ T273] Preemption disabled at: | [ 12.056181][ T273] 0x0 | [ 12.056191][ T273] Tainted: [W]=WARN [ 12.056192][ T273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.056193][ T273] Call Trace: [ 12.056195][ T273] [ 12.056196][ T273] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.056203][ T273] __might_resched.cold (kernel/sched/core.c:9234) [ 12.056207][ T273] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.056211][ T273] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.056216][ T273] __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)) [ 12.056218][ T273] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.056225][ T273] ? 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) [ 12.056228][ T273] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.056231][ T273] put_chars (drivers/char/virtio_console.c:1176) [ 12.056234][ T273] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.056235][ T273] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.056239][ T273] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.056244][ T273] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.056251][ T273] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.056254][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.056256][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.056260][ T273] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.056264][ T273] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.056266][ T273] ? 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)) [ 12.056269][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.056271][ T273] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.056275][ T273] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.056279][ T273] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.056281][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.056287][ T273] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.056289][ T273] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.056291][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.056293][ T273] ? 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) [ 12.056297][ T273] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.056299][ T273] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.056301][ T273] vprintk_emit (kernel/printk/printk.c:2479) [ 12.056304][ T273] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.056307][ T273] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.056311][ T273] _printk (kernel/printk/printk.c:2504) [ 12.056315][ T273] ? snapshot_read.cold (user.c:?) [ 12.056318][ T273] ? 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) [ 12.056320][ T273] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.056324][ T273] ? 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) [ 12.056327][ T273] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.056331][ T273] ? exit_notify (kernel/exit.c:780) [ 12.056332][ T273] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.056335][ T273] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.056339][ T273] do_group_exit (kernel/exit.c:1151) [ 12.056342][ T273] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.056343][ T273] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.056346][ T273] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.056350][ T273] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.056353][ T273] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.056355][ T273] RIP: 0033:0x7f119023e1b8 [ 12.056357][ T273] Code: Unable to access opcode bytes at 0x7f119023e18e. Code starting with the faulting instruction =========================================== [ 12.056358][ T273] RSP: 002b:00007ffca0979f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.056361][ T273] RAX: ffffffffffffffda RBX: 00007f119036ef88 RCX: 00007f119023e1b8 [ 12.056362][ T273] RDX: 00007f118ff88fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.056363][ T273] RBP: 00007ffca0979f60 R08: 0000000000000000 R09: 0000000000000050 [ 12.056364][ T273] R10: 00007ffca0979d20 R11: 0000000000000246 R12: 0000000000000001 [ 12.056365][ T273] R13: 0000000000000000 R14: 00007f119036d680 R15: 00007f119036efa0 | [ 18.453167][ T633] softirqs last disabled at (22477): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 18.453169][ T633] Preemption disabled at: | [ 18.453170][ T633] 0x0 | [ 18.453181][ T633] Tainted: [W]=WARN [ 18.453181][ T633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.453183][ T633] Call Trace: [ 18.453185][ T633] [ 18.453186][ T633] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.453193][ T633] __might_resched.cold (kernel/sched/core.c:9234) [ 18.453197][ T633] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.453201][ T633] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 18.453205][ T633] __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)) [ 18.453207][ T633] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.453214][ T633] ? 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) [ 18.453217][ T633] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.453220][ T633] put_chars (drivers/char/virtio_console.c:1176) [ 18.453223][ T633] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.453224][ T633] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 18.453228][ T633] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 18.453233][ T633] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.453240][ T633] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.453243][ T633] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.453245][ T633] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.453249][ T633] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.453253][ T633] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.453254][ T633] ? 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)) [ 18.453258][ T633] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.453259][ T633] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.453263][ T633] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.453267][ T633] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.453269][ T633] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.453274][ T633] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.453277][ T633] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.453279][ T633] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.453281][ T633] ? 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) [ 18.453284][ T633] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.453286][ T633] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.453289][ T633] vprintk_emit (kernel/printk/printk.c:2479) [ 18.453292][ T633] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.453295][ T633] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 18.453298][ T633] _printk (kernel/printk/printk.c:2504) [ 18.453302][ T633] ? snapshot_read.cold (user.c:?) [ 18.453304][ T633] ? 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) [ 18.453307][ T633] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.453311][ T633] ? 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) [ 18.453313][ T633] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 18.453317][ T633] ? exit_notify (kernel/exit.c:780) [ 18.453318][ T633] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 18.453321][ T633] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.453324][ T633] do_group_exit (kernel/exit.c:1151) [ 18.453327][ T633] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 18.453329][ T633] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 18.453331][ T633] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.453335][ T633] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.453338][ T633] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.453340][ T633] RIP: 0033:0x7fbeea2ac1b8 [ 18.453342][ T633] Code: Unable to access opcode bytes at 0x7fbeea2ac18e. Code starting with the faulting instruction =========================================== [ 18.453343][ T633] RSP: 002b:00007ffe5d61f018 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 18.453346][ T633] RAX: ffffffffffffffda RBX: 00007fbeea3dcf88 RCX: 00007fbeea2ac1b8 [ 18.453347][ T633] RDX: 00007fbee9ff6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 18.453348][ T633] RBP: 00007ffe5d61f070 R08: 0000000000000000 R09: 0000000000000050 [ 18.453349][ T633] R10: 00007ffe5d61ee30 R11: 0000000000000246 R12: 0000000000000001 [ 18.453350][ T633] R13: 0000000000000000 R14: 00007fbeea3db680 R15: 00007fbeea3dcfa0 | [ 51.633624][ T6692] softirqs last disabled at (26569): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 51.633627][ T6692] Preemption disabled at: | [ 51.633627][ T6692] 0x0 | [ 51.633638][ T6692] Tainted: [W]=WARN [ 51.633638][ T6692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.633640][ T6692] Call Trace: [ 51.633641][ T6692] [ 51.633643][ T6692] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.633649][ T6692] __might_resched.cold (kernel/sched/core.c:9234) [ 51.633653][ T6692] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.633657][ T6692] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.633661][ T6692] __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)) [ 51.633663][ T6692] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.633670][ T6692] ? 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) [ 51.633672][ T6692] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.633676][ T6692] put_chars (drivers/char/virtio_console.c:1176) [ 51.633678][ T6692] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.633679][ T6692] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.633683][ T6692] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.633688][ T6692] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.633696][ T6692] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.633698][ T6692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.633700][ T6692] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.633704][ T6692] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.633708][ T6692] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.633710][ T6692] ? 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)) [ 51.633713][ T6692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.633715][ T6692] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.633719][ T6692] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.633723][ T6692] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.633725][ T6692] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.633730][ T6692] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.633733][ T6692] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.633735][ T6692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.633736][ T6692] ? 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) [ 51.633740][ T6692] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.633741][ T6692] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.633744][ T6692] vprintk_emit (kernel/printk/printk.c:2479) [ 51.633747][ T6692] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.633750][ T6692] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.633754][ T6692] _printk (kernel/printk/printk.c:2504) [ 51.633757][ T6692] ? snapshot_read.cold (user.c:?) [ 51.633760][ T6692] ? 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) [ 51.633762][ T6692] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 51.633766][ T6692] ? 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) [ 51.633769][ T6692] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 51.633773][ T6692] ? exit_notify (kernel/exit.c:780) [ 51.633774][ T6692] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.633777][ T6692] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.633780][ T6692] do_group_exit (kernel/exit.c:1151) [ 51.633783][ T6692] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 51.633785][ T6692] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 51.633787][ T6692] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.633791][ T6692] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.633794][ T6692] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.633796][ T6692] RIP: 0033:0x7f8d3b4f11b8 [ 51.633798][ T6692] Code: Unable to access opcode bytes at 0x7f8d3b4f118e. Code starting with the faulting instruction =========================================== [ 51.633799][ T6692] RSP: 002b:00007ffd5ff715a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 51.633801][ T6692] RAX: ffffffffffffffda RBX: 00007f8d3b621f88 RCX: 00007f8d3b4f11b8 [ 51.633803][ T6692] RDX: 00007f8d3b23bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000002 [ 51.633804][ T6692] RBP: 00007ffd5ff71600 R08: 0000000000000000 R09: 0000000000008010 [ 51.633805][ T6692] R10: 00007ffd5ff713c0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print