====================================== | [ 9.838124][ T207] softirqs last disabled at (41619): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.838126][ T207] Preemption disabled at: | [ 9.838126][ T207] 0x0 | [ 9.838137][ T207] Tainted: [W]=WARN [ 9.838137][ T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.838139][ T207] Call Trace: [ 9.838141][ T207] [ 9.838142][ T207] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.838148][ T207] __might_resched.cold (kernel/sched/core.c:9234) [ 9.838153][ T207] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.838157][ 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) [ 9.838162][ 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)) [ 9.838164][ T207] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.838170][ 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) [ 9.838173][ T207] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.838177][ T207] put_chars (drivers/char/virtio_console.c:1176) [ 9.838180][ T207] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.838182][ T207] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.838186][ T207] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.838192][ T207] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.838199][ T207] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.838201][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.838204][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.838207][ T207] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.838211][ T207] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.838212][ 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)) [ 9.838215][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.838217][ T207] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.838221][ T207] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.838225][ T207] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.838226][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.838231][ T207] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.838233][ T207] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.838235][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.838237][ T207] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.838240][ T207] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.838242][ T207] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.838245][ T207] vprintk_emit (kernel/printk/printk.c:2479) [ 9.838248][ T207] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.838252][ T207] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.838255][ T207] _printk (kernel/printk/printk.c:2504) [ 9.838259][ T207] ? snapshot_read.cold (user.c:?) [ 9.838261][ 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) [ 9.838264][ T207] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.838267][ 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) [ 9.838270][ T207] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.838273][ T207] ? exit_notify (kernel/exit.c:780) [ 9.838275][ T207] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.838278][ T207] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.838282][ T207] do_group_exit (kernel/exit.c:1151) [ 9.838285][ T207] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.838287][ T207] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.838289][ T207] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.838292][ T207] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.838295][ T207] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.838298][ T207] RIP: 0033:0x7f6c734251b8 [ 9.838300][ T207] Code: Unable to access opcode bytes at 0x7f6c7342518e. Code starting with the faulting instruction =========================================== [ 9.838301][ T207] RSP: 002b:00007fff5c1f02a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.838303][ T207] RAX: ffffffffffffffda RBX: 00007f6c73555f88 RCX: 00007f6c734251b8 [ 9.838305][ T207] RDX: 00007f6c7316ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.838306][ T207] RBP: 00007fff5c1f0300 R08: 0000000000000000 R09: 0000000000000000 [ 9.838306][ T207] R10: 00007fff5c1f00c0 R11: 0000000000000246 R12: 0000000000000001 [ 9.838307][ T207] R13: 0000000000000000 R14: 00007f6c73554680 R15: 00007f6c73555fa0 | [ 25.271579][ T875] softirqs last disabled at (170091): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.271581][ T875] Preemption disabled at: | [ 25.271581][ T875] 0x0 | [ 25.271591][ T875] Tainted: [W]=WARN [ 25.271592][ T875] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.271594][ T875] Call Trace: [ 25.271595][ T875] [ 25.271597][ T875] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.271603][ T875] __might_resched.cold (kernel/sched/core.c:9234) [ 25.271613][ T875] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.271617][ T875] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.271622][ T875] __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)) [ 25.271624][ T875] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.271630][ T875] ? 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) [ 25.271635][ T875] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.271639][ T875] put_chars (drivers/char/virtio_console.c:1176) [ 25.271642][ T875] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.271644][ T875] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.271649][ T875] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.271654][ T875] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.271661][ T875] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.271664][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.271666][ T875] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.271670][ T875] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.271673][ T875] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.271675][ T875] ? 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)) [ 25.271678][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.271680][ T875] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.271684][ T875] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.271688][ T875] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.271689][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.271694][ T875] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.271697][ T875] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.271699][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.271701][ T875] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.271705][ T875] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.271706][ T875] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.271709][ T875] vprintk_emit (kernel/printk/printk.c:2479) [ 25.271713][ T875] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.271714][ T875] ? 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) [ 25.271717][ T875] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.271720][ T875] _printk (kernel/printk/printk.c:2504) [ 25.271724][ T875] ? snapshot_read.cold (user.c:?) [ 25.271727][ T875] ? 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) [ 25.271729][ T875] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.271733][ T875] ? 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) [ 25.271735][ T875] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.271739][ T875] ? exit_notify (kernel/exit.c:780) [ 25.271741][ T875] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.271743][ T875] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.271747][ T875] do_group_exit (kernel/exit.c:1151) [ 25.271751][ T875] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.271753][ T875] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.271755][ T875] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.271758][ T875] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.271762][ T875] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.271764][ T875] RIP: 0033:0x7f32eedd41b8 [ 25.271766][ T875] Code: Unable to access opcode bytes at 0x7f32eedd418e. Code starting with the faulting instruction =========================================== [ 25.271768][ T875] RSP: 002b:00007ffec6daa118 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.271770][ T875] RAX: ffffffffffffffda RBX: 00007f32eef04f88 RCX: 00007f32eedd41b8 [ 25.271771][ T875] RDX: 00007f32eed11a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 25.271772][ T875] RBP: 00007ffec6daa170 R08: 0000000000000000 R09: 0000000000000000 [ 25.271773][ T875] R10: 00007ffec6da9fb0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print