====================================== | [ 37.107064][ T345] softirqs last disabled at (10483): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 37.107067][ T345] Preemption disabled at: | [ 37.107068][ T345] 0x0 | [ 37.107081][ T345] Tainted: [W]=WARN [ 37.107082][ T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.107085][ T345] Call Trace: [ 37.107087][ T345] [ 37.107090][ T345] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.107097][ T345] __might_resched.cold (kernel/sched/core.c:9234) [ 37.107103][ T345] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.107109][ T345] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 37.107116][ T345] __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)) [ 37.107119][ T345] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.107129][ T345] ? 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) [ 37.107132][ T345] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.107138][ T345] put_chars (drivers/char/virtio_console.c:1176) [ 37.107143][ T345] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.107146][ T345] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 37.107152][ T345] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 37.107161][ T345] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.107173][ T345] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.107177][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.107181][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.107187][ T345] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.107194][ T345] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.107196][ T345] ? 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)) [ 37.107201][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.107204][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.107212][ T345] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.107218][ T345] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.107221][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.107229][ T345] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.107233][ T345] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.107236][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.107239][ T345] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 37.107245][ T345] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.107248][ T345] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.107253][ T345] vprintk_emit (kernel/printk/printk.c:2479) [ 37.107259][ T345] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.107265][ T345] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 37.107271][ T345] _printk (kernel/printk/printk.c:2504) [ 37.107277][ T345] ? snapshot_read.cold (user.c:?) [ 37.107281][ T345] ? 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) [ 37.107285][ T345] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.107292][ T345] ? 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) [ 37.107296][ T345] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 37.107301][ T345] ? exit_notify (kernel/exit.c:780) [ 37.107304][ T345] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 37.107309][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.107316][ T345] do_group_exit (kernel/exit.c:1151) [ 37.107321][ T345] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 37.107325][ T345] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 37.107328][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.107332][ T345] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.107337][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.107341][ T345] RIP: 0033:0x7f24e49281b8 [ 37.107344][ T345] Code: Unable to access opcode bytes at 0x7f24e492818e. Code starting with the faulting instruction =========================================== [ 37.107346][ T345] RSP: 002b:00007ffc96b7c318 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.107349][ T345] RAX: ffffffffffffffda RBX: 00007f24e4a58f88 RCX: 00007f24e49281b8 [ 37.107351][ T345] RDX: 00007f24e4866e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 37.107353][ T345] RBP: 00007ffc96b7c370 R08: 0000000000000000 R09: 0000000000001010 [ 37.107354][ T345] R10: 00007ffc96b7c1b0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print