====================================== | [ 43.816478][ T1298] softirqs last disabled at (56999): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 43.816480][ T1298] Preemption disabled at: | [ 43.816481][ T1298] 0x0 | [ 43.816490][ T1298] Tainted: [W]=WARN [ 43.816491][ T1298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.816493][ T1298] Call Trace: [ 43.816494][ T1298] [ 43.816496][ T1298] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.816501][ T1298] __might_resched.cold (kernel/sched/core.c:9234) [ 43.816506][ T1298] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.816509][ T1298] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.816514][ T1298] __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)) [ 43.816516][ T1298] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.816522][ T1298] ? 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) [ 43.816525][ T1298] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.816529][ T1298] put_chars (drivers/char/virtio_console.c:1176) [ 43.816531][ T1298] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.816538][ T1298] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.816545][ T1298] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.816548][ T1298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.816552][ T1298] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.816556][ T1298] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.816557][ T1298] ? 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)) [ 43.816560][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.816563][ T1298] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.816567][ T1298] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.816570][ T1298] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.816572][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.816577][ T1298] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.816579][ T1298] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.816580][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.816582][ T1298] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.816586][ T1298] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.816588][ T1298] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.816591][ T1298] vprintk_emit (kernel/printk/printk.c:2479) [ 43.816594][ T1298] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.816597][ T1298] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.816601][ T1298] _printk (kernel/printk/printk.c:2504) [ 43.816604][ T1298] ? snapshot_read.cold (user.c:?) [ 43.816607][ T1298] ? 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) [ 43.816609][ T1298] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.816613][ T1298] ? 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) [ 43.816616][ T1298] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 43.816620][ T1298] ? exit_notify (kernel/exit.c:780) [ 43.816622][ T1298] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.816625][ T1298] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.816628][ T1298] do_group_exit (kernel/exit.c:1151) [ 43.816631][ T1298] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 43.816633][ T1298] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 43.816636][ T1298] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.816639][ T1298] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.816643][ T1298] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.816645][ T1298] RIP: 0033:0x7f7da5aa01b8 [ 43.816647][ T1298] Code: Unable to access opcode bytes at 0x7f7da5aa018e. Code starting with the faulting instruction =========================================== [ 43.816648][ T1298] RSP: 002b:00007ffcae9d4328 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 43.816651][ T1298] RAX: ffffffffffffffda RBX: 00007f7da5bd0f88 RCX: 00007f7da5aa01b8 [ 43.816652][ T1298] RDX: 00007f7da58a1a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 43.816653][ T1298] RBP: 00007ffcae9d4380 R08: 0000000000000000 R09: 0000000000080000 [ 43.816654][ T1298] R10: 00007ffcae9d4140 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print