====================================== | [ 9.667124][ T200] softirqs last disabled at (22835): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.667127][ T200] Preemption disabled at: | [ 9.667127][ T200] 0x0 | [ 9.667138][ T200] Tainted: [W]=WARN [ 9.667139][ T200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.667140][ T200] Call Trace: [ 9.667142][ T200] [ 9.667143][ T200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.667149][ T200] __might_resched.cold (kernel/sched/core.c:9234) [ 9.667154][ T200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.667158][ T200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.667162][ T200] __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)) [ 9.667164][ T200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.667171][ T200] ? 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) [ 9.667173][ T200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.667177][ T200] put_chars (drivers/char/virtio_console.c:1176) [ 9.667179][ T200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.667181][ T200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.667184][ T200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.667190][ T200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.667197][ T200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.667200][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.667202][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.667206][ T200] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.667210][ T200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.667212][ T200] ? 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)) [ 9.667215][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.667216][ T200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.667220][ T200] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.667225][ T200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.667226][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.667232][ T200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.667234][ T200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.667236][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.667238][ T200] ? 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) [ 9.667242][ T200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.667244][ T200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.667246][ T200] vprintk_emit (kernel/printk/printk.c:2479) [ 9.667249][ T200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.667252][ T200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.667256][ T200] _printk (kernel/printk/printk.c:2504) [ 9.667260][ T200] ? snapshot_read.cold (user.c:?) [ 9.667262][ T200] ? 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) [ 9.667265][ T200] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.667269][ T200] ? 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) [ 9.667272][ T200] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.667275][ T200] ? exit_notify (kernel/exit.c:780) [ 9.667277][ T200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.667280][ T200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.667283][ T200] do_group_exit (kernel/exit.c:1151) [ 9.667286][ T200] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.667288][ T200] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.667290][ T200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.667295][ T200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.667297][ T200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.667299][ T200] RIP: 0033:0x7fd4129721b8 [ 9.667302][ T200] Code: Unable to access opcode bytes at 0x7fd41297218e. Code starting with the faulting instruction =========================================== [ 9.667303][ T200] RSP: 002b:00007ffe3acedf18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.667305][ T200] RAX: ffffffffffffffda RBX: 00007fd412aa2f88 RCX: 00007fd4129721b8 [ 9.667306][ T200] RDX: 00007fd4126bcfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.667307][ T200] RBP: 00007ffe3acedf70 R08: 0000000000000000 R09: 0000000000000050 [ 9.667308][ T200] R10: 00007ffe3acedd30 R11: 0000000000000246 R12: 0000000000000001 [ 9.667309][ T200] R13: 0000000000000000 R14: 00007fd412aa1680 R15: 00007fd412aa2fa0 | [ 19.920356][ T288] softirqs last disabled at (18832): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 19.920359][ T288] Preemption disabled at: | [ 19.920359][ T288] 0x0 | [ 19.920369][ T288] Tainted: [W]=WARN [ 19.920370][ T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.920371][ T288] Call Trace: [ 19.920372][ T288] [ 19.920374][ T288] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.920381][ T288] __might_resched.cold (kernel/sched/core.c:9234) [ 19.920385][ T288] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.920389][ 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) [ 19.920394][ 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)) [ 19.920396][ T288] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.920402][ 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) [ 19.920405][ T288] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.920409][ T288] put_chars (drivers/char/virtio_console.c:1176) [ 19.920412][ T288] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.920413][ T288] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 19.920417][ T288] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 19.920422][ T288] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.920432][ T288] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.920437][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.920439][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.920443][ T288] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.920447][ T288] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.920449][ 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)) [ 19.920453][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.920454][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.920459][ T288] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.920463][ T288] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.920465][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.920470][ T288] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.920473][ T288] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.920475][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.920477][ 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) [ 19.920481][ T288] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.920483][ T288] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.920485][ T288] vprintk_emit (kernel/printk/printk.c:2479) [ 19.920489][ T288] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.920492][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 19.920495][ T288] _printk (kernel/printk/printk.c:2504) [ 19.920499][ T288] ? snapshot_read.cold (user.c:?) [ 19.920502][ 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) [ 19.920505][ T288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.920509][ 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) [ 19.920512][ T288] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 19.920516][ T288] ? exit_notify (kernel/exit.c:780) [ 19.920517][ T288] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 19.920520][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.920523][ T288] do_group_exit (kernel/exit.c:1151) [ 19.920526][ T288] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 19.920528][ T288] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 19.920531][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 19.920534][ T288] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 19.920538][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 19.920540][ T288] RIP: 0033:0x7f79aaa0f1b8 [ 19.920542][ T288] Code: Unable to access opcode bytes at 0x7f79aaa0f18e. Code starting with the faulting instruction =========================================== [ 19.920543][ T288] RSP: 002b:00007ffdd074cfb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 19.920546][ T288] RAX: ffffffffffffffda RBX: 00007f79aab3ff88 RCX: 00007f79aaa0f1b8 [ 19.920547][ T288] RDX: 00007f79aa759fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 19.920548][ T288] RBP: 00007ffdd074d010 R08: 0000000000000000 R09: 0000000000000050 [ 19.920549][ T288] R10: 00007ffdd074cdd0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print