====================================== | [ 140.313882][ T1244] softirqs last disabled at (20153): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 140.313884][ T1244] Preemption disabled at: | [ 140.313885][ T1244] 0x0 | [ 140.313895][ T1244] Tainted: [W]=WARN [ 140.313896][ T1244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 140.313898][ T1244] Call Trace: [ 140.313900][ T1244] [ 140.313902][ T1244] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 140.313908][ T1244] __might_resched.cold (kernel/sched/core.c:9234) [ 140.313912][ T1244] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 140.313923][ T1244] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 140.313928][ T1244] __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)) [ 140.313931][ T1244] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.313936][ T1244] ? 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) [ 140.313939][ T1244] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 140.313942][ T1244] put_chars (drivers/char/virtio_console.c:1176) [ 140.313944][ T1244] ? __send_to_port (drivers/char/virtio_console.c:654) [ 140.313945][ T1244] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 140.313950][ T1244] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 140.313955][ T1244] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 140.313961][ T1244] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 140.313963][ T1244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.313965][ T1244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.313969][ T1244] console_emit_next_record (kernel/printk/printk.c:3183) [ 140.313972][ T1244] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 140.313974][ T1244] ? 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)) [ 140.313977][ T1244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.313980][ T1244] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 140.313983][ T1244] console_flush_one_record (kernel/printk/printk.c:3268) [ 140.313988][ T1244] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 140.313989][ T1244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 140.313994][ T1244] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 140.313997][ T1244] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 140.313999][ T1244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.314001][ T1244] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 140.314005][ T1244] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 140.314006][ T1244] ? vprintk_emit (kernel/printk/printk.c:2478) [ 140.314009][ T1244] vprintk_emit (kernel/printk/printk.c:2479) [ 140.314013][ T1244] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 140.314016][ T1244] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 140.314020][ T1244] _printk (kernel/printk/printk.c:2504) [ 140.314023][ T1244] ? snapshot_read.cold (user.c:?) [ 140.314026][ T1244] ? 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) [ 140.314028][ T1244] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 140.314032][ T1244] ? 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) [ 140.314034][ T1244] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 140.314038][ T1244] ? exit_notify (kernel/exit.c:780) [ 140.314040][ T1244] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 140.314043][ T1244] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 140.314047][ T1244] do_group_exit (kernel/exit.c:1151) [ 140.314049][ T1244] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 140.314051][ T1244] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 140.314053][ T1244] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 140.314056][ T1244] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 140.314059][ T1244] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 140.314061][ T1244] RIP: 0033:0x7f5a8afb41b8 [ 140.314064][ T1244] Code: Unable to access opcode bytes at 0x7f5a8afb418e. Code starting with the faulting instruction =========================================== [ 140.314065][ T1244] RSP: 002b:00007ffcc9f23e08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 140.314067][ T1244] RAX: ffffffffffffffda RBX: 00007f5a8b0e4f88 RCX: 00007f5a8afb41b8 [ 140.314068][ T1244] RDX: 00007f5a8acfefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 140.314069][ T1244] RBP: 00007ffcc9f23e60 R08: 0000000000000000 R09: 0000000000008010 [ 140.314070][ T1244] R10: 00007ffcc9f23c20 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print