====================================== | [ 10.654253][ T189] softirqs last disabled at (37281): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.654256][ T189] Preemption disabled at: | [ 10.654256][ T189] 0x0 | [ 10.654267][ T189] Tainted: [W]=WARN [ 10.654268][ T189] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.654270][ T189] Call Trace: [ 10.654271][ T189] [ 10.654273][ T189] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.654279][ T189] __might_resched.cold (kernel/sched/core.c:9234) [ 10.654283][ T189] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.654287][ T189] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.654292][ T189] __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)) [ 10.654294][ T189] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.654301][ T189] ? 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) [ 10.654304][ T189] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.654307][ T189] put_chars (drivers/char/virtio_console.c:1176) [ 10.654310][ T189] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.654311][ T189] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.654315][ T189] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.654318][ T189] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.654322][ T189] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.654325][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.654326][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.654330][ T189] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.654334][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.654336][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.654340][ T189] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.654344][ T189] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.654348][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.654350][ T189] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.654354][ T189] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.654358][ T189] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.654360][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.654365][ T189] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.654367][ T189] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.654369][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.654371][ T189] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.654374][ T189] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.654376][ T189] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.654379][ T189] vprintk_emit (kernel/printk/printk.c:2479) [ 10.654382][ T189] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.654386][ T189] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.654389][ T189] _printk (kernel/printk/printk.c:2504) [ 10.654393][ T189] ? snapshot_read.cold (user.c:?) [ 10.654396][ T189] ? 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) [ 10.654398][ T189] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.654402][ T189] ? 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) [ 10.654404][ T189] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.654408][ T189] ? exit_notify (kernel/exit.c:780) [ 10.654410][ T189] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.654413][ T189] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.654417][ T189] do_group_exit (kernel/exit.c:1151) [ 10.654420][ T189] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.654422][ T189] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.654425][ T189] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.654428][ T189] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.654432][ T189] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.654434][ T189] RIP: 0033:0x7f6ae91d91b8 [ 10.654436][ T189] Code: Unable to access opcode bytes at 0x7f6ae91d918e. Code starting with the faulting instruction =========================================== [ 10.654437][ T189] RSP: 002b:00007ffe813a0d38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.654440][ T189] RAX: ffffffffffffffda RBX: 00007f6ae9309f88 RCX: 00007f6ae91d91b8 [ 10.654441][ T189] RDX: 00007f6ae8f24348 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.654442][ T189] RBP: 00007ffe813a0d90 R08: 0000000000000000 R09: 0000000000000220 [ 10.654443][ T189] R10: 00007ffe813a0b30 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print