====================================== | [ 10.494805][ T240] softirqs last disabled at (34407): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.494808][ T240] Preemption disabled at: | [ 10.494808][ T240] 0x0 | [ 10.494818][ T240] Tainted: [W]=WARN [ 10.494819][ T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.494821][ T240] Call Trace: [ 10.494823][ T240] [ 10.494824][ T240] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.494831][ T240] __might_resched.cold (kernel/sched/core.c:9234) [ 10.494835][ T240] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.494839][ T240] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.494844][ T240] __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)) [ 10.494846][ T240] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.494853][ T240] ? 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) [ 10.494856][ T240] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.494859][ T240] put_chars (drivers/char/virtio_console.c:1176) [ 10.494862][ T240] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.494863][ T240] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.494866][ T240] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.494872][ T240] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.494880][ T240] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.494882][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.494884][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.494888][ T240] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.494893][ T240] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.494894][ T240] ? 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)) [ 10.494898][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.494899][ T240] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.494903][ T240] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.494908][ T240] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.494909][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.494915][ T240] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.494918][ T240] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.494920][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.494921][ T240] ? 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) [ 10.494925][ T240] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.494927][ T240] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.494930][ T240] vprintk_emit (kernel/printk/printk.c:2479) [ 10.494933][ T240] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.494936][ T240] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.494939][ T240] _printk (kernel/printk/printk.c:2504) [ 10.494943][ T240] ? snapshot_read.cold (user.c:?) [ 10.494946][ T240] ? 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) [ 10.494949][ T240] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.494953][ T240] ? 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) [ 10.494956][ T240] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.494959][ T240] ? exit_notify (kernel/exit.c:780) [ 10.494961][ T240] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.494963][ T240] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.494967][ T240] do_group_exit (kernel/exit.c:1151) [ 10.494970][ T240] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.494972][ T240] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.494974][ T240] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.494978][ T240] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.494981][ T240] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.494983][ T240] RIP: 0033:0x7f38f05f41b8 [ 10.494985][ T240] Code: Unable to access opcode bytes at 0x7f38f05f418e. Code starting with the faulting instruction =========================================== [ 10.494987][ T240] RSP: 002b:00007ffdfdac5668 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.494989][ T240] RAX: ffffffffffffffda RBX: 00007f38f0724f88 RCX: 00007f38f05f41b8 [ 10.494990][ T240] RDX: 00007f38f033efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.494991][ T240] RBP: 00007ffdfdac56c0 R08: 0000000000000000 R09: 0000000000000050 [ 10.494992][ T240] R10: 00007ffdfdac5480 R11: 0000000000000246 R12: 0000000000000001 [ 10.494993][ T240] R13: 0000000000000000 R14: 00007f38f0723680 R15: 00007f38f0724fa0 | [ 11.575117][ T288] softirqs last disabled at (26773): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.575119][ T288] Preemption disabled at: | [ 11.575120][ T288] 0x0 | [ 11.575130][ T288] Tainted: [W]=WARN [ 11.575131][ T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.575132][ T288] Call Trace: [ 11.575134][ T288] [ 11.575135][ T288] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.575142][ T288] __might_resched.cold (kernel/sched/core.c:9234) [ 11.575146][ T288] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.575150][ T288] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.575155][ T288] __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)) [ 11.575157][ T288] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.575163][ T288] ? 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) [ 11.575166][ T288] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.575170][ T288] put_chars (drivers/char/virtio_console.c:1176) [ 11.575172][ T288] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.575174][ T288] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.575177][ T288] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.575182][ T288] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.575190][ T288] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.575193][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.575195][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.575199][ T288] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.575203][ T288] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.575205][ T288] ? 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)) [ 11.575208][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.575210][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.575214][ T288] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.575218][ T288] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.575220][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.575225][ T288] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.575228][ T288] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.575230][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.575231][ T288] ? 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) [ 11.575235][ T288] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.575237][ T288] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.575239][ T288] vprintk_emit (kernel/printk/printk.c:2479) [ 11.575243][ T288] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.575246][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.575249][ T288] _printk (kernel/printk/printk.c:2504) [ 11.575253][ T288] ? snapshot_read.cold (user.c:?) [ 11.575256][ T288] ? 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) [ 11.575258][ T288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.575262][ T288] ? 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) [ 11.575265][ T288] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.575269][ T288] ? exit_notify (kernel/exit.c:780) [ 11.575270][ T288] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.575273][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.575276][ T288] do_group_exit (kernel/exit.c:1151) [ 11.575279][ T288] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.575281][ T288] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.575284][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.575287][ T288] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.575290][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.575293][ T288] RIP: 0033:0x7fa62cd5f1b8 [ 11.575295][ T288] Code: Unable to access opcode bytes at 0x7fa62cd5f18e. Code starting with the faulting instruction =========================================== [ 11.575296][ T288] RSP: 002b:00007ffd69ebce38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.575298][ T288] RAX: ffffffffffffffda RBX: 00007fa62ce8ff88 RCX: 00007fa62cd5f1b8 [ 11.575300][ T288] RDX: 00007fa62caa9fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.575301][ T288] RBP: 00007ffd69ebce90 R08: 0000000000000000 R09: 0000000000000050 [ 11.575302][ T288] R10: 00007ffd69ebcc50 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print