====================================== | [ 38.353409][ T357] softirqs last disabled at (24880): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 38.353411][ T357] Preemption disabled at: | [ 38.353412][ T357] 0x0 | [ 38.353422][ T357] Tainted: [W]=WARN [ 38.353423][ T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.353425][ T357] Call Trace: [ 38.353427][ T357] [ 38.353429][ T357] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.353435][ T357] __might_resched.cold (kernel/sched/core.c:9234) [ 38.353440][ T357] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.353444][ T357] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.353448][ T357] __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)) [ 38.353450][ T357] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.353456][ T357] ? 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) [ 38.353459][ T357] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.353462][ T357] put_chars (drivers/char/virtio_console.c:1176) [ 38.353465][ T357] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.353466][ T357] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 38.353470][ T357] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.353473][ T357] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.353477][ T357] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.353483][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.353485][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.353489][ T357] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.353492][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.353495][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.353499][ T357] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.353502][ T357] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.353508][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.353510][ T357] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.353514][ T357] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.353518][ T357] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.353519][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.353524][ T357] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.353527][ T357] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.353529][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.353531][ T357] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.353534][ T357] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.353536][ T357] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.353539][ T357] vprintk_emit (kernel/printk/printk.c:2479) [ 38.353542][ T357] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.353546][ T357] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.353549][ T357] _printk (kernel/printk/printk.c:2504) [ 38.353553][ T357] ? snapshot_read.cold (user.c:?) [ 38.353555][ T357] ? 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) [ 38.353558][ T357] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.353561][ T357] ? 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) [ 38.353564][ T357] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 38.353567][ T357] ? exit_notify (kernel/exit.c:780) [ 38.353569][ T357] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.353571][ T357] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.353575][ T357] do_group_exit (kernel/exit.c:1151) [ 38.353579][ T357] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 38.353581][ T357] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 38.353583][ T357] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.353587][ T357] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.353590][ T357] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.353592][ T357] RIP: 0033:0x7f4f572be1b8 [ 38.353595][ T357] Code: Unable to access opcode bytes at 0x7f4f572be18e. Code starting with the faulting instruction =========================================== [ 38.353596][ T357] RSP: 002b:00007ffd7a4c49d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.353598][ T357] RAX: ffffffffffffffda RBX: 00007f4f573eef88 RCX: 00007f4f572be1b8 [ 38.353600][ T357] RDX: 00007f4f57008fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 38.353601][ T357] RBP: 00007ffd7a4c4a30 R08: 0000000000000000 R09: 0000000000008010 [ 38.353601][ T357] R10: 00007ffd7a4c47f0 R11: 0000000000000246 R12: 0000000000000001 [ 38.353602][ T357] R13: 0000000000000000 R14: 00007f4f573ed680 R15: 00007f4f573eefa0 | [ 52.686817][ T459] softirqs last disabled at (26363): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 52.686821][ T459] Preemption disabled at: | [ 52.686822][ T459] 0x0 | [ 52.686835][ T459] Tainted: [W]=WARN [ 52.686836][ T459] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.686839][ T459] Call Trace: [ 52.686841][ T459] [ 52.686843][ T459] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.686851][ T459] __might_resched.cold (kernel/sched/core.c:9234) [ 52.686857][ T459] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.686863][ T459] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 52.686870][ T459] __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)) [ 52.686874][ T459] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.686882][ T459] ? 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) [ 52.686886][ T459] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.686891][ T459] put_chars (drivers/char/virtio_console.c:1176) [ 52.686895][ T459] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.686897][ T459] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 52.686903][ T459] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 52.686907][ T459] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 52.686914][ T459] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.686918][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.686920][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.686928][ T459] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.686933][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.686938][ T459] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.686944][ T459] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.686950][ T459] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.686957][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.686961][ T459] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.686969][ T459] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.686975][ T459] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.686978][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.686987][ T459] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.686991][ T459] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.686994][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.686997][ T459] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 52.687003][ T459] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.687005][ T459] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.687010][ T459] vprintk_emit (kernel/printk/printk.c:2479) [ 52.687016][ T459] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.687022][ T459] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 52.687027][ T459] _printk (kernel/printk/printk.c:2504) [ 52.687033][ T459] ? snapshot_read.cold (user.c:?) [ 52.687037][ T459] ? 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) [ 52.687041][ T459] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.687047][ T459] ? 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) [ 52.687052][ T459] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 52.687057][ T459] ? exit_notify (kernel/exit.c:780) [ 52.687060][ T459] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 52.687064][ T459] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.687071][ T459] do_group_exit (kernel/exit.c:1151) [ 52.687076][ T459] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 52.687079][ T459] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 52.687082][ T459] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.687087][ T459] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 52.687092][ T459] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.687095][ T459] RIP: 0033:0x7fc2120541b8 [ 52.687098][ T459] Code: Unable to access opcode bytes at 0x7fc21205418e. Code starting with the faulting instruction =========================================== [ 52.687100][ T459] RSP: 002b:00007ffd3c45c878 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.687103][ T459] RAX: ffffffffffffffda RBX: 00007fc212184f88 RCX: 00007fc2120541b8 [ 52.687105][ T459] RDX: 00007fc211d9efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 52.687107][ T459] RBP: 00007ffd3c45c8d0 R08: 0000000000000000 R09: 0000000000000050 [ 52.687109][ T459] R10: 00007ffd3c45c690 R11: 0000000000000246 R12: 0000000000000001 [ 52.687110][ T459] R13: 0000000000000000 R14: 00007fc212183680 R15: 00007fc212184fa0 | [ 62.623678][ T504] softirqs last disabled at (34003): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 62.623680][ T504] Preemption disabled at: | [ 62.623681][ T504] 0x0 | [ 62.623691][ T504] Tainted: [W]=WARN [ 62.623692][ T504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.623694][ T504] Call Trace: [ 62.623695][ T504] [ 62.623697][ T504] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.623702][ T504] __might_resched.cold (kernel/sched/core.c:9234) [ 62.623707][ T504] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.623710][ T504] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.623715][ T504] __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)) [ 62.623717][ T504] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.623723][ T504] ? 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) [ 62.623725][ T504] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.623728][ T504] put_chars (drivers/char/virtio_console.c:1176) [ 62.623731][ T504] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.623732][ T504] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 62.623736][ T504] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.623739][ T504] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.623743][ T504] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.623745][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.623747][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.623751][ T504] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.623754][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.623756][ T504] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.623760][ T504] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.623763][ T504] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.623768][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.623770][ T504] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.623773][ T504] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.623777][ T504] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.623779][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.623783][ T504] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.623786][ T504] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.623787][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.623789][ T504] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 62.623793][ T504] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.623794][ T504] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.623797][ T504] vprintk_emit (kernel/printk/printk.c:2479) [ 62.623801][ T504] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.623804][ T504] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.623807][ T504] _printk (kernel/printk/printk.c:2504) [ 62.623811][ T504] ? snapshot_read.cold (user.c:?) [ 62.623813][ T504] ? 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) [ 62.623816][ T504] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 62.623819][ T504] ? 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) [ 62.623821][ T504] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 62.623825][ T504] ? exit_notify (kernel/exit.c:780) [ 62.623827][ T504] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.623829][ T504] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.623833][ T504] do_group_exit (kernel/exit.c:1151) [ 62.623837][ T504] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 62.623839][ T504] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 62.623841][ T504] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.623844][ T504] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.623847][ T504] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.623850][ T504] RIP: 0033:0x7fc60a34d1b8 [ 62.623852][ T504] Code: Unable to access opcode bytes at 0x7fc60a34d18e. Code starting with the faulting instruction =========================================== [ 62.623853][ T504] RSP: 002b:00007fffa1f14358 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.623855][ T504] RAX: ffffffffffffffda RBX: 00007fc60a47df88 RCX: 00007fc60a34d1b8 [ 62.623857][ T504] RDX: 00007fc60a097fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 62.623858][ T504] RBP: 00007fffa1f143b0 R08: 0000000000000000 R09: 0000000000000050 [ 62.623859][ T504] R10: 00007fffa1f14170 R11: 0000000000000246 R12: 0000000000000001 [ 62.623859][ T504] R13: 0000000000000000 R14: 00007fc60a47c680 R15: 00007fc60a47dfa0 | [ 69.494272][ T564] softirqs last disabled at (30275): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 69.494275][ T564] Preemption disabled at: | [ 69.494275][ T564] 0x0 | [ 69.494285][ T564] Tainted: [W]=WARN [ 69.494286][ T564] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 69.494287][ T564] Call Trace: [ 69.494289][ T564] [ 69.494290][ T564] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 69.494296][ T564] __might_resched.cold (kernel/sched/core.c:9234) [ 69.494301][ T564] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 69.494305][ T564] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 69.494310][ T564] __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)) [ 69.494312][ T564] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.494317][ T564] ? 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) [ 69.494320][ T564] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 69.494323][ T564] put_chars (drivers/char/virtio_console.c:1176) [ 69.494326][ T564] ? __send_to_port (drivers/char/virtio_console.c:654) [ 69.494327][ T564] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 69.494330][ T564] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 69.494333][ T564] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 69.494337][ T564] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 69.494340][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.494341][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.494345][ T564] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 69.494348][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.494351][ T564] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.494355][ T564] console_emit_next_record (kernel/printk/printk.c:3183) [ 69.494359][ T564] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 69.494363][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.494365][ T564] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 69.494369][ T564] console_flush_one_record (kernel/printk/printk.c:3268) [ 69.494372][ T564] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 69.494374][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.494379][ T564] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 69.494381][ T564] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 69.494383][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.494385][ T564] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 69.494388][ T564] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 69.494390][ T564] ? vprintk_emit (kernel/printk/printk.c:2478) [ 69.494393][ T564] vprintk_emit (kernel/printk/printk.c:2479) [ 69.494396][ T564] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 69.494399][ T564] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 69.494402][ T564] _printk (kernel/printk/printk.c:2504) [ 69.494406][ T564] ? snapshot_read.cold (user.c:?) [ 69.494409][ T564] ? 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) [ 69.494411][ T564] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 69.494415][ T564] ? 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) [ 69.494417][ T564] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 69.494421][ T564] ? exit_notify (kernel/exit.c:780) [ 69.494422][ T564] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 69.494425][ T564] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 69.494429][ T564] do_group_exit (kernel/exit.c:1151) [ 69.494432][ T564] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 69.494434][ T564] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 69.494436][ T564] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 69.494440][ T564] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 69.494443][ T564] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 69.494445][ T564] RIP: 0033:0x7f05c5af31b8 [ 69.494447][ T564] Code: Unable to access opcode bytes at 0x7f05c5af318e. Code starting with the faulting instruction =========================================== [ 69.494449][ T564] RSP: 002b:00007ffe8e43ccb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.494451][ T564] RAX: ffffffffffffffda RBX: 00007f05c5c23f88 RCX: 00007f05c5af31b8 [ 69.494452][ T564] RDX: 00007f05c583dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 69.494453][ T564] RBP: 00007ffe8e43cd10 R08: 0000000000000000 R09: 0000000000000050 [ 69.494454][ T564] R10: 00007ffe8e43cad0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print