====================================== | [ 10.886234][ T163] softirqs last disabled at (60633): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.886236][ T163] Preemption disabled at: | [ 10.886237][ T163] 0x0 | [ 10.886247][ T163] Tainted: [W]=WARN [ 10.886248][ T163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.886250][ T163] Call Trace: [ 10.886251][ T163] [ 10.886253][ T163] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.886258][ T163] __might_resched.cold (kernel/sched/core.c:9234) [ 10.886263][ T163] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.886266][ T163] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.886270][ T163] __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)) [ 10.886272][ T163] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.886278][ T163] ? 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) [ 10.886280][ T163] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.886284][ T163] put_chars (drivers/char/virtio_console.c:1176) [ 10.886286][ T163] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.886288][ T163] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.886291][ T163] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.886294][ T163] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.886298][ T163] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.886301][ T163] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.886302][ T163] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.886306][ T163] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.886309][ T163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.886312][ T163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.886316][ T163] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.886319][ T163] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.886323][ T163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.886325][ T163] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.886329][ T163] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.886333][ T163] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.886334][ T163] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.886339][ T163] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.886341][ T163] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.886343][ T163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.886345][ T163] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.886348][ T163] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.886349][ T163] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.886352][ T163] vprintk_emit (kernel/printk/printk.c:2479) [ 10.886356][ T163] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.886359][ T163] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.886362][ T163] _printk (kernel/printk/printk.c:2504) [ 10.886366][ T163] ? snapshot_read.cold (user.c:?) [ 10.886368][ T163] ? 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) [ 10.886371][ T163] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.886374][ T163] ? 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) [ 10.886377][ T163] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.886380][ T163] ? exit_notify (kernel/exit.c:780) [ 10.886382][ T163] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.886384][ T163] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.886388][ T163] do_group_exit (kernel/exit.c:1151) [ 10.886392][ T163] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.886394][ T163] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.886396][ T163] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.886400][ T163] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.886403][ T163] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.886405][ T163] RIP: 0033:0x7fc5f9c081b8 [ 10.886407][ T163] Code: Unable to access opcode bytes at 0x7fc5f9c0818e. Code starting with the faulting instruction =========================================== [ 10.886408][ T163] RSP: 002b:00007fff27669ac8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.886411][ T163] RAX: ffffffffffffffda RBX: 00007fc5f9d38f88 RCX: 00007fc5f9c081b8 [ 10.886412][ T163] RDX: 00007fc5f99f6cc8 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 10.886413][ T163] RBP: 00007fff27669b20 R08: 0000000000000000 R09: 0000000000000050 [ 10.886414][ T163] R10: 00007fff27669920 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print