====================================== | [ 9.696254][ T182] softirqs last disabled at (31479): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.696256][ T182] Preemption disabled at: | [ 9.696257][ T182] 0x0 | [ 9.696266][ T182] Tainted: [W]=WARN [ 9.696267][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.696269][ T182] Call Trace: [ 9.696270][ T182] [ 9.696272][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.696277][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 9.696282][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.696285][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.696290][ T182] __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)) [ 9.696292][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.696299][ T182] ? 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) [ 9.696302][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.696305][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 9.696308][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.696314][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.696321][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.696324][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.696329][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.696332][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.696333][ T182] ? 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)) [ 9.696336][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.696339][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.696343][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.696347][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.696348][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.696354][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.696356][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.696357][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.696359][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.696363][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.696364][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.696367][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 9.696370][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.696374][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.696377][ T182] _printk (kernel/printk/printk.c:2504) [ 9.696381][ T182] ? snapshot_read.cold (user.c:?) [ 9.696384][ T182] ? 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) [ 9.696386][ T182] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.696390][ T182] ? 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) [ 9.696393][ T182] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.696397][ T182] ? exit_notify (kernel/exit.c:780) [ 9.696398][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.696401][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.696405][ T182] do_group_exit (kernel/exit.c:1151) [ 9.696408][ T182] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.696410][ T182] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.696413][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.696416][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.696420][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.696422][ T182] RIP: 0033:0x7f70d71341b8 [ 9.696424][ T182] Code: Unable to access opcode bytes at 0x7f70d713418e. Code starting with the faulting instruction =========================================== [ 9.696425][ T182] RSP: 002b:00007fff07ca3c38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.696427][ T182] RAX: ffffffffffffffda RBX: 00007f70d7264f88 RCX: 00007f70d71341b8 [ 9.696429][ T182] RDX: 00007f70d6e7efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.696430][ T182] RBP: 00007fff07ca3c90 R08: 0000000000000000 R09: 0000000000000050 [ 9.696430][ T182] R10: 00007fff07ca3a50 R11: 0000000000000246 R12: 0000000000000001 [ 9.696431][ T182] R13: 0000000000000000 R14: 00007f70d7263680 R15: 00007f70d7264fa0 | [ 10.912850][ T218] softirqs last disabled at (35973): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.912854][ T218] Preemption disabled at: | [ 10.912855][ T218] 0x0 | [ 10.912864][ T218] Tainted: [W]=WARN [ 10.912865][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.912867][ T218] Call Trace: [ 10.912869][ T218] [ 10.912870][ T218] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.912876][ T218] __might_resched.cold (kernel/sched/core.c:9234) [ 10.912880][ T218] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.912883][ T218] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.912891][ T218] __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)) [ 10.912894][ T218] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.912900][ T218] ? 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) [ 10.912903][ T218] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.912906][ T218] put_chars (drivers/char/virtio_console.c:1176) [ 10.912909][ T218] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.912915][ T218] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.912922][ T218] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.912925][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.912929][ T218] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.912933][ T218] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.912934][ T218] ? 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)) [ 10.912936][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.912940][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.912943][ T218] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.912947][ T218] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.912948][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.912954][ T218] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.912956][ T218] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.912957][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.912959][ T218] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.912963][ T218] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.912964][ T218] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.912967][ T218] vprintk_emit (kernel/printk/printk.c:2479) [ 10.912970][ T218] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.912973][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.912977][ T218] _printk (kernel/printk/printk.c:2504) [ 10.912980][ T218] ? snapshot_read.cold (user.c:?) [ 10.912983][ T218] ? 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) [ 10.912986][ T218] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.912990][ T218] ? 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) [ 10.912992][ T218] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.912996][ T218] ? exit_notify (kernel/exit.c:780) [ 10.912998][ T218] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.913001][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.913004][ T218] do_group_exit (kernel/exit.c:1151) [ 10.913007][ T218] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.913009][ T218] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.913012][ T218] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.913015][ T218] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.913018][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.913021][ T218] RIP: 0033:0x7f59ea5fc1b8 [ 10.913023][ T218] Code: Unable to access opcode bytes at 0x7f59ea5fc18e. Code starting with the faulting instruction =========================================== [ 10.913024][ T218] RSP: 002b:00007ffcdd922348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.913026][ T218] RAX: ffffffffffffffda RBX: 00007f59ea72cf88 RCX: 00007f59ea5fc1b8 [ 10.913028][ T218] RDX: 00007f59ea346fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.913028][ T218] RBP: 00007ffcdd9223a0 R08: 0000000000000000 R09: 0000000000000000 [ 10.913029][ T218] R10: 00007ffcdd922160 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print