====================================== | [ 9.955743][ T213] softirqs last disabled at (24133): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.955745][ T213] Preemption disabled at: | [ 9.955746][ T213] 0x0 | [ 9.955755][ T213] Tainted: [W]=WARN [ 9.955756][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.955758][ T213] Call Trace: [ 9.955759][ T213] [ 9.955761][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.955767][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 9.955771][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.955775][ T213] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.955780][ T213] __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)) [ 9.955782][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.955788][ T213] ? 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) [ 9.955791][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.955795][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 9.955797][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.955798][ T213] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.955802][ T213] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.955807][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.955814][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.955817][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955819][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.955823][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.955827][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.955829][ T213] ? 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)) [ 9.955832][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955833][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.955837][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.955842][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.955843][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.955849][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.955851][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.955853][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955855][ T213] ? 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) [ 9.955859][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.955860][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.955863][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 9.955866][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.955869][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.955873][ T213] _printk (kernel/printk/printk.c:2504) [ 9.955876][ T213] ? snapshot_read.cold (user.c:?) [ 9.955879][ T213] ? 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) [ 9.955882][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.955885][ T213] ? 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) [ 9.955888][ T213] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.955892][ T213] ? exit_notify (kernel/exit.c:780) [ 9.955893][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.955896][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.955899][ T213] do_group_exit (kernel/exit.c:1151) [ 9.955902][ T213] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.955904][ T213] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.955906][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.955911][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.955914][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.955916][ T213] RIP: 0033:0x7ff1dab921b8 [ 9.955918][ T213] Code: Unable to access opcode bytes at 0x7ff1dab9218e. Code starting with the faulting instruction =========================================== [ 9.955919][ T213] RSP: 002b:00007ffea73f6c68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.955921][ T213] RAX: ffffffffffffffda RBX: 00007ff1dacc2f88 RCX: 00007ff1dab921b8 [ 9.955923][ T213] RDX: 00007ff1da8dcfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.955924][ T213] RBP: 00007ffea73f6cc0 R08: 0000000000000000 R09: 0000000000000050 [ 9.955925][ T213] R10: 00007ffea73f6a80 R11: 0000000000000246 R12: 0000000000000001 [ 9.955925][ T213] R13: 0000000000000000 R14: 00007ff1dacc1680 R15: 00007ff1dacc2fa0 | [ 11.281463][ T258] softirqs last disabled at (22179): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.281466][ T258] Preemption disabled at: | [ 11.281466][ T258] 0x0 | [ 11.281477][ T258] Tainted: [W]=WARN [ 11.281478][ T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.281479][ T258] Call Trace: [ 11.281481][ T258] [ 11.281483][ T258] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.281489][ T258] __might_resched.cold (kernel/sched/core.c:9234) [ 11.281493][ T258] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.281497][ T258] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.281502][ T258] __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)) [ 11.281503][ T258] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.281510][ T258] ? 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) [ 11.281513][ T258] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.281516][ T258] put_chars (drivers/char/virtio_console.c:1176) [ 11.281519][ T258] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.281520][ T258] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.281524][ T258] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.281529][ T258] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.281536][ T258] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.281539][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.281541][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.281545][ T258] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.281549][ T258] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.281550][ T258] ? 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)) [ 11.281554][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.281555][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.281559][ T258] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.281563][ T258] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.281565][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.281570][ T258] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.281573][ T258] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.281575][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.281576][ T258] ? 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) [ 11.281580][ T258] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.281582][ T258] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.281584][ T258] vprintk_emit (kernel/printk/printk.c:2479) [ 11.281587][ T258] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.281590][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.281594][ T258] _printk (kernel/printk/printk.c:2504) [ 11.281597][ T258] ? snapshot_read.cold (user.c:?) [ 11.281600][ T258] ? 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) [ 11.281603][ T258] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.281606][ T258] ? 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) [ 11.281609][ T258] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.281613][ T258] ? exit_notify (kernel/exit.c:780) [ 11.281614][ T258] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.281617][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.281620][ T258] do_group_exit (kernel/exit.c:1151) [ 11.281623][ T258] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.281624][ T258] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.281627][ T258] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.281631][ T258] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.281633][ T258] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.281635][ T258] RIP: 0033:0x7f6c7cf7a1b8 [ 11.281638][ T258] Code: Unable to access opcode bytes at 0x7f6c7cf7a18e. Code starting with the faulting instruction =========================================== [ 11.281639][ T258] RSP: 002b:00007fff962529f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.281641][ T258] RAX: ffffffffffffffda RBX: 00007f6c7d0aaf88 RCX: 00007f6c7cf7a1b8 [ 11.281642][ T258] RDX: 00007f6c7ccc4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.281643][ T258] RBP: 00007fff96252a50 R08: 0000000000000000 R09: 0000000000000050 [ 11.281644][ T258] R10: 00007fff96252810 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print