====================================== | [ 8.935890][ T132] softirqs last disabled at (12811): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 8.935893][ T132] Preemption disabled at: | [ 8.935894][ T132] 0x0 | [ 8.935907][ T132] Tainted: [W]=WARN [ 8.935908][ T132] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.935911][ T132] Call Trace: [ 8.935912][ T132] [ 8.935915][ T132] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.935922][ T132] __might_resched.cold (kernel/sched/core.c:9234) [ 8.935927][ T132] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.935932][ T132] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 8.935940][ T132] __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)) [ 8.935943][ T132] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.935952][ T132] ? 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) [ 8.935955][ T132] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.935961][ T132] put_chars (drivers/char/virtio_console.c:1176) [ 8.935965][ T132] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.935973][ T132] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 8.935979][ T132] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 8.935987][ T132] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.935997][ T132] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.936001][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.936004][ T132] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.936011][ T132] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.936016][ T132] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.936018][ T132] ? 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)) [ 8.936022][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.936025][ T132] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.936032][ T132] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.936038][ T132] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.936040][ T132] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.936049][ T132] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.936052][ T132] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.936054][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.936057][ T132] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.936063][ T132] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.936066][ T132] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.936071][ T132] vprintk_emit (kernel/printk/printk.c:2479) [ 8.936076][ T132] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.936081][ T132] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 8.936087][ T132] _printk (kernel/printk/printk.c:2504) [ 8.936092][ T132] ? snapshot_read.cold (user.c:?) [ 8.936096][ T132] ? 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) [ 8.936100][ T132] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.936107][ T132] ? 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) [ 8.936111][ T132] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.936116][ T132] ? exit_notify (kernel/exit.c:780) [ 8.936118][ T132] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 8.936122][ T132] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.936128][ T132] do_group_exit (kernel/exit.c:1151) [ 8.936133][ T132] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.936136][ T132] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.936140][ T132] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.936144][ T132] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.936149][ T132] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.936154][ T132] RIP: 0033:0x7f16c2ef91b8 [ 8.936157][ T132] Code: Unable to access opcode bytes at 0x7f16c2ef918e. Code starting with the faulting instruction =========================================== [ 8.936159][ T132] RSP: 002b:00007ffdce962248 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.936162][ T132] RAX: ffffffffffffffda RBX: 00007f16c3029f88 RCX: 00007f16c2ef91b8 [ 8.936164][ T132] RDX: 00007f16c2d5a848 RSI: fffffffffffffec8 RDI: 0000000000000000 [ 8.936165][ T132] RBP: 00007ffdce9622a0 R08: 0000000000000000 R09: 0000000000000001 [ 8.936166][ T132] R10: 00007ffdce9620c0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print