====================================== | [ 11.266493][ T210] softirqs last disabled at (19583): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.266496][ T210] Preemption disabled at: | [ 11.266497][ T210] 0x0 | [ 11.266506][ T210] Tainted: [W]=WARN [ 11.266507][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.266509][ T210] Call Trace: [ 11.266511][ T210] [ 11.266512][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.266518][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 11.266523][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.266528][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.266532][ T210] __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)) [ 11.266534][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.266541][ T210] ? 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) [ 11.266544][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.266548][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 11.266550][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.266552][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.266555][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.266561][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.266569][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.266571][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266573][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.266577][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.266582][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.266583][ T210] ? 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)) [ 11.266587][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266588][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.266592][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.266597][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.266599][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.266604][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.266607][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.266609][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266610][ T210] ? 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) [ 11.266614][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.266616][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.266619][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 11.266622][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.266625][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.266629][ T210] _printk (kernel/printk/printk.c:2504) [ 11.266632][ T210] ? snapshot_read.cold (user.c:?) [ 11.266635][ T210] ? 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) [ 11.266638][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.266642][ T210] ? 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) [ 11.266645][ T210] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.266649][ T210] ? exit_notify (kernel/exit.c:780) [ 11.266650][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.266653][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.266656][ T210] do_group_exit (kernel/exit.c:1151) [ 11.266659][ T210] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.266661][ T210] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.266664][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.266668][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.266671][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.266673][ T210] RIP: 0033:0x7fc76fc421b8 [ 11.266675][ T210] Code: Unable to access opcode bytes at 0x7fc76fc4218e. Code starting with the faulting instruction =========================================== [ 11.266676][ T210] RSP: 002b:00007ffee355f488 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.266678][ T210] RAX: ffffffffffffffda RBX: 00007fc76fd72f88 RCX: 00007fc76fc421b8 [ 11.266680][ T210] RDX: 00007fc76f98cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.266681][ T210] RBP: 00007ffee355f4e0 R08: 0000000000000000 R09: 0000000000000050 [ 11.266682][ T210] R10: 00007ffee355f2a0 R11: 0000000000000246 R12: 0000000000000001 [ 11.266682][ T210] R13: 0000000000000000 R14: 00007fc76fd71680 R15: 00007fc76fd72fa0 | [ 25.041030][ T765] softirqs last disabled at (25467): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 25.041033][ T765] Preemption disabled at: | [ 25.041033][ T765] 0x0 | [ 25.041043][ T765] Tainted: [W]=WARN [ 25.041044][ T765] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.041046][ T765] Call Trace: [ 25.041048][ T765] [ 25.041049][ T765] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.041056][ T765] __might_resched.cold (kernel/sched/core.c:9234) [ 25.041060][ T765] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.041065][ T765] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.041069][ T765] __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)) [ 25.041071][ T765] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.041078][ T765] ? 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) [ 25.041081][ T765] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.041084][ T765] put_chars (drivers/char/virtio_console.c:1176) [ 25.041087][ T765] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.041088][ T765] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.041092][ T765] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.041097][ T765] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.041104][ T765] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.041107][ T765] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.041109][ T765] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.041113][ T765] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.041117][ T765] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.041119][ T765] ? 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)) [ 25.041122][ T765] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.041124][ T765] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.041127][ T765] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.041132][ T765] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.041134][ T765] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.041139][ T765] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.041142][ T765] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.041144][ T765] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.041145][ T765] ? 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) [ 25.041149][ T765] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.041151][ T765] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.041153][ T765] vprintk_emit (kernel/printk/printk.c:2479) [ 25.041157][ T765] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.041159][ T765] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.041163][ T765] _printk (kernel/printk/printk.c:2504) [ 25.041167][ T765] ? snapshot_read.cold (user.c:?) [ 25.041170][ T765] ? 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) [ 25.041172][ T765] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.041176][ T765] ? 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) [ 25.041179][ T765] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 25.041182][ T765] ? exit_notify (kernel/exit.c:780) [ 25.041184][ T765] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.041187][ T765] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.041190][ T765] do_group_exit (kernel/exit.c:1151) [ 25.041193][ T765] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 25.041195][ T765] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 25.041198][ T765] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.041203][ T765] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.041205][ T765] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.041207][ T765] RIP: 0033:0x7f3e43f651b8 [ 25.041210][ T765] Code: Unable to access opcode bytes at 0x7f3e43f6518e. Code starting with the faulting instruction =========================================== [ 25.041211][ T765] RSP: 002b:00007ffd2a76d518 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.041213][ T765] RAX: ffffffffffffffda RBX: 00007f3e44095f88 RCX: 00007f3e43f651b8 [ 25.041214][ T765] RDX: 00007f3e43caffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 25.041215][ T765] RBP: 00007ffd2a76d570 R08: 0000000000000000 R09: 0000000000000050 [ 25.041216][ T765] R10: 00007ffd2a76d330 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print