====================================== | [ 11.393594][ T225] softirqs last disabled at (45339): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.393596][ T225] Preemption disabled at: | [ 11.393597][ T225] 0x0 | [ 11.393607][ T225] Tainted: [W]=WARN [ 11.393608][ T225] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.393610][ T225] Call Trace: [ 11.393612][ T225] [ 11.393613][ T225] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.393620][ T225] __might_resched.cold (kernel/sched/core.c:9234) [ 11.393625][ T225] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.393629][ T225] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.393634][ T225] __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)) [ 11.393635][ T225] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.393642][ T225] ? 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) [ 11.393645][ T225] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.393649][ T225] put_chars (drivers/char/virtio_console.c:1176) [ 11.393651][ T225] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.393652][ T225] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.393656][ T225] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.393662][ T225] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.393669][ T225] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.393672][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.393674][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.393678][ T225] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.393682][ T225] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.393684][ T225] ? 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)) [ 11.393687][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.393689][ T225] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.393693][ T225] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.393697][ T225] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.393699][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.393705][ T225] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.393708][ T225] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.393710][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.393711][ T225] ? 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) [ 11.393715][ T225] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.393717][ T225] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.393720][ T225] vprintk_emit (kernel/printk/printk.c:2479) [ 11.393723][ T225] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.393726][ T225] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.393730][ T225] _printk (kernel/printk/printk.c:2504) [ 11.393733][ T225] ? snapshot_read.cold (user.c:?) [ 11.393736][ T225] ? 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) [ 11.393739][ T225] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.393743][ T225] ? 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) [ 11.393745][ T225] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.393749][ T225] ? exit_notify (kernel/exit.c:780) [ 11.393751][ T225] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.393753][ T225] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.393757][ T225] do_group_exit (kernel/exit.c:1151) [ 11.393760][ T225] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.393762][ T225] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.393764][ T225] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.393768][ T225] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.393771][ T225] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.393774][ T225] RIP: 0033:0x7f4c020291b8 [ 11.393776][ T225] Code: Unable to access opcode bytes at 0x7f4c0202918e. Code starting with the faulting instruction =========================================== [ 11.393777][ T225] RSP: 002b:00007ffc8396b7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.393780][ T225] RAX: ffffffffffffffda RBX: 00007f4c02159f88 RCX: 00007f4c020291b8 [ 11.393781][ T225] RDX: 00007f4c01d73fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.393782][ T225] RBP: 00007ffc8396b800 R08: 0000000000000000 R09: 0000000000000050 [ 11.393783][ T225] R10: 00007ffc8396b5c0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print