====================================== | [ 9.905165][ T187] softirqs last disabled at (56181): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.905168][ T187] Preemption disabled at: | [ 9.905168][ T187] 0x0 | [ 9.905180][ T187] Tainted: [W]=WARN [ 9.905181][ T187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.905183][ T187] Call Trace: [ 9.905185][ T187] [ 9.905186][ T187] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.905193][ T187] __might_resched.cold (kernel/sched/core.c:9234) [ 9.905197][ T187] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.905201][ T187] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.905206][ T187] __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)) [ 9.905208][ T187] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.905214][ T187] ? 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) [ 9.905217][ T187] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.905220][ T187] put_chars (drivers/char/virtio_console.c:1176) [ 9.905222][ T187] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.905224][ T187] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.905228][ T187] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.905233][ T187] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.905239][ T187] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.905242][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.905244][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.905248][ T187] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.905252][ T187] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.905253][ T187] ? 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)) [ 9.905256][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.905259][ T187] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.905262][ T187] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.905266][ T187] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.905268][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.905273][ T187] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.905276][ T187] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.905278][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.905280][ T187] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.905283][ T187] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.905285][ T187] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.905288][ T187] vprintk_emit (kernel/printk/printk.c:2479) [ 9.905292][ T187] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.905295][ T187] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.905299][ T187] _printk (kernel/printk/printk.c:2504) [ 9.905303][ T187] ? snapshot_read.cold (user.c:?) [ 9.905305][ T187] ? 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) [ 9.905308][ T187] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.905312][ T187] ? 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) [ 9.905314][ T187] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.905318][ T187] ? exit_notify (kernel/exit.c:780) [ 9.905320][ T187] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.905322][ T187] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.905326][ T187] do_group_exit (kernel/exit.c:1151) [ 9.905329][ T187] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.905331][ T187] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.905333][ T187] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.905336][ T187] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.905339][ T187] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.905341][ T187] RIP: 0033:0x7f78a5b501b8 [ 9.905343][ T187] Code: Unable to access opcode bytes at 0x7f78a5b5018e. Code starting with the faulting instruction =========================================== [ 9.905344][ T187] RSP: 002b:00007fff8905a7b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.905347][ T187] RAX: ffffffffffffffda RBX: 00007f78a5c80f88 RCX: 00007f78a5b501b8 [ 9.905348][ T187] RDX: 00007f78a589afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.905349][ T187] RBP: 00007fff8905a810 R08: 0000000000000000 R09: 0000000000008010 [ 9.905350][ T187] R10: 00007fff8905a5d0 R11: 0000000000000246 R12: 0000000000000001 [ 9.905351][ T187] R13: 0000000000000000 R14: 00007f78a5c7f680 R15: 00007f78a5c80fa0 | [ 133.709165][ T5321] softirqs last disabled at (23200): sk_common_release (./include/net/sock.h:2138 net/core/sock.c:4066) | [ 133.709167][ T5321] Preemption disabled at: | [ 133.709168][ T5321] 0x0 | [ 133.709178][ T5321] Tainted: [W]=WARN [ 133.709179][ T5321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 133.709180][ T5321] Call Trace: [ 133.709182][ T5321] [ 133.709184][ T5321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 133.709190][ T5321] __might_resched.cold (kernel/sched/core.c:9234) [ 133.709194][ T5321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 133.709198][ T5321] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 133.709203][ T5321] __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)) [ 133.709206][ T5321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 133.709211][ T5321] ? 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) [ 133.709214][ T5321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 133.709217][ T5321] put_chars (drivers/char/virtio_console.c:1176) [ 133.709220][ T5321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 133.709221][ T5321] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 133.709226][ T5321] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 133.709231][ T5321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 133.709237][ T5321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 133.709239][ T5321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.709241][ T5321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.709245][ T5321] console_emit_next_record (kernel/printk/printk.c:3183) [ 133.709249][ T5321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 133.709251][ T5321] ? 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)) [ 133.709254][ T5321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.709256][ T5321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 133.709260][ T5321] console_flush_one_record (kernel/printk/printk.c:3268) [ 133.709264][ T5321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 133.709265][ T5321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 133.709270][ T5321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 133.709273][ T5321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 133.709275][ T5321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.709277][ T5321] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 133.709280][ T5321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 133.709282][ T5321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 133.709285][ T5321] vprintk_emit (kernel/printk/printk.c:2479) [ 133.709289][ T5321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 133.709292][ T5321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 133.709296][ T5321] _printk (kernel/printk/printk.c:2504) [ 133.709299][ T5321] ? snapshot_read.cold (user.c:?) [ 133.709302][ T5321] ? 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) [ 133.709304][ T5321] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 133.709308][ T5321] ? 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) [ 133.709311][ T5321] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 133.709314][ T5321] ? exit_notify (kernel/exit.c:780) [ 133.709316][ T5321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 133.709319][ T5321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 133.709323][ T5321] do_group_exit (kernel/exit.c:1151) [ 133.709325][ T5321] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 133.709327][ T5321] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 133.709329][ T5321] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 133.709332][ T5321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 133.709335][ T5321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 133.709337][ T5321] RIP: 0033:0x7f0b46cdc1b8 [ 133.709339][ T5321] Code: Unable to access opcode bytes at 0x7f0b46cdc18e. Code starting with the faulting instruction =========================================== [ 133.709341][ T5321] RSP: 002b:00007ffff7178a08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 133.709343][ T5321] RAX: ffffffffffffffda RBX: 00007f0b46e0cf88 RCX: 00007f0b46cdc1b8 [ 133.709344][ T5321] RDX: 00007f0b46a6d7c8 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 133.709345][ T5321] RBP: 00007ffff7178a60 R08: 0000000000000000 R09: 0000000000001010 [ 133.709346][ T5321] R10: 00007ffff7178880 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print sk_common_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print