====================================== | [ 39.843121][ T338] softirqs last disabled at (42975): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 39.843124][ T338] Preemption disabled at: | [ 39.843124][ T338] 0x0 | [ 39.843135][ T338] Tainted: [W]=WARN [ 39.843136][ T338] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 39.843138][ T338] Call Trace: [ 39.843140][ T338] [ 39.843141][ T338] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 39.843148][ T338] __might_resched.cold (kernel/sched/core.c:9234) [ 39.843152][ T338] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 39.843157][ T338] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 39.843162][ T338] __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)) [ 39.843164][ T338] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.843171][ T338] ? 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) [ 39.843174][ T338] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 39.843178][ T338] put_chars (drivers/char/virtio_console.c:1176) [ 39.843181][ T338] ? __send_to_port (drivers/char/virtio_console.c:654) [ 39.843183][ T338] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 39.843186][ T338] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 39.843189][ T338] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 39.843193][ T338] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 39.843197][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.843198][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.843203][ T338] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 39.843206][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.843210][ T338] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.843213][ T338] console_emit_next_record (kernel/printk/printk.c:3183) [ 39.843217][ T338] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 39.843222][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.843224][ T338] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 39.843228][ T338] console_flush_one_record (kernel/printk/printk.c:3268) [ 39.843232][ T338] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 39.843234][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.843239][ T338] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 39.843242][ T338] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 39.843243][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.843246][ T338] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 18) ./include/trace/events/lock.h:23 (discriminator 18) kernel/locking/lockdep.c:5871 (discriminator 18)) [ 39.843249][ T338] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 39.843251][ T338] ? vprintk_emit (kernel/printk/printk.c:2478) [ 39.843254][ T338] vprintk_emit (kernel/printk/printk.c:2479) [ 39.843258][ T338] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 39.843261][ T338] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 39.843265][ T338] _printk (kernel/printk/printk.c:2504) [ 39.843268][ T338] ? snapshot_read.cold (user.c:?) [ 39.843271][ T338] ? 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) [ 39.843273][ T338] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 39.843277][ T338] ? 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) [ 39.843280][ T338] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 39.843283][ T338] ? exit_notify (kernel/exit.c:780) [ 39.843285][ T338] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 39.843287][ T338] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 39.843291][ T338] do_group_exit (kernel/exit.c:1151) [ 39.843294][ T338] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 39.843296][ T338] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 39.843298][ T338] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 39.843301][ T338] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 39.843305][ T338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 39.843307][ T338] RIP: 0033:0x7fa0350041b8 [ 39.843309][ T338] Code: Unable to access opcode bytes at 0x7fa03500418e. Code starting with the faulting instruction =========================================== [ 39.843311][ T338] RSP: 002b:00007ffc724991c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.843313][ T338] RAX: ffffffffffffffda RBX: 00007fa035134f88 RCX: 00007fa0350041b8 [ 39.843315][ T338] RDX: 00007fa034f42e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 39.843316][ T338] RBP: 00007ffc72499220 R08: 0000000000000000 R09: 0000000000000050 [ 39.843317][ T338] R10: 00007ffc72499060 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print