====================================== | [ 33.681320][ T164] softirqs last disabled at (125725): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 33.681324][ T164] Preemption disabled at: | [ 33.681325][ T164] 0x0 | [ 33.681337][ T164] Tainted: [W]=WARN [ 33.681338][ T164] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.681340][ T164] Call Trace: [ 33.681342][ T164] [ 33.681343][ T164] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.681349][ T164] __might_resched.cold (kernel/sched/core.c:9234) [ 33.681354][ T164] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.681358][ T164] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 33.681363][ T164] __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)) [ 33.681366][ T164] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.681372][ T164] ? 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) [ 33.681375][ T164] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.681378][ T164] put_chars (drivers/char/virtio_console.c:1176) [ 33.681388][ T164] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.681390][ T164] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 33.681395][ T164] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 33.681400][ T164] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.681407][ T164] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.681410][ T164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.681412][ T164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.681417][ T164] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.681421][ T164] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.681423][ T164] ? 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)) [ 33.681426][ T164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.681429][ T164] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.681433][ T164] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.681437][ T164] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.681439][ T164] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.681445][ T164] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.681448][ T164] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.681450][ T164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.681453][ T164] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.681456][ T164] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.681458][ T164] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.681462][ T164] vprintk_emit (kernel/printk/printk.c:2479) [ 33.681466][ T164] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.681470][ T164] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 33.681474][ T164] _printk (kernel/printk/printk.c:2504) [ 33.681478][ T164] ? snapshot_read.cold (user.c:?) [ 33.681481][ T164] ? 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) [ 33.681483][ T164] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.681487][ T164] ? 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) [ 33.681490][ T164] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 33.681494][ T164] ? exit_notify (kernel/exit.c:780) [ 33.681495][ T164] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 33.681498][ T164] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.681503][ T164] do_group_exit (kernel/exit.c:1151) [ 33.681506][ T164] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 33.681508][ T164] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 33.681511][ T164] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 33.681515][ T164] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 33.681517][ T164] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 33.681520][ T164] RIP: 0033:0x7fbc5d3321b8 [ 33.681522][ T164] Code: Unable to access opcode bytes at 0x7fbc5d33218e. Code starting with the faulting instruction =========================================== [ 33.681524][ T164] RSP: 002b:00007ffc60b7fed8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 33.681526][ T164] RAX: ffffffffffffffda RBX: 00007fbc5d462f88 RCX: 00007fbc5d3321b8 [ 33.681527][ T164] RDX: 00007fbc5d120cc8 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 33.681528][ T164] RBP: 00007ffc60b7ff30 R08: 0000000000000000 R09: 0000000000000050 [ 33.681529][ T164] R10: 00007ffc60b7fd30 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print