====================================== | [ 9.317862][ T204] softirqs last disabled at (31683): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.317865][ T204] Preemption disabled at: | [ 9.317866][ T204] 0x0 | [ 9.317876][ T204] Tainted: [W]=WARN [ 9.317876][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.317878][ T204] Call Trace: [ 9.317879][ T204] [ 9.317881][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.317888][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.317892][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.317897][ T204] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.317901][ T204] __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)) [ 9.317903][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.317910][ T204] ? 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) [ 9.317913][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.317917][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.317919][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.317920][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.317923][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.317929][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.317936][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.317939][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.317941][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.317945][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.317949][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.317951][ T204] ? 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)) [ 9.317954][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.317956][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.317960][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.317964][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.317966][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.317971][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.317974][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.317975][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.317977][ T204] ? 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) [ 9.317981][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.317983][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.317985][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.317990][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.317993][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.317997][ T204] _printk (kernel/printk/printk.c:2504) [ 9.318001][ T204] ? snapshot_read.cold (user.c:?) [ 9.318003][ T204] ? 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) [ 9.318006][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.318010][ T204] ? 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) [ 9.318012][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.318016][ T204] ? exit_notify (kernel/exit.c:780) [ 9.318017][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.318020][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.318024][ T204] do_group_exit (kernel/exit.c:1151) [ 9.318027][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.318028][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.318031][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.318035][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.318038][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.318040][ T204] RIP: 0033:0x7ff67ed7c1b8 [ 9.318042][ T204] Code: Unable to access opcode bytes at 0x7ff67ed7c18e. Code starting with the faulting instruction =========================================== [ 9.318043][ T204] RSP: 002b:00007ffe81f8cd58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.318045][ T204] RAX: ffffffffffffffda RBX: 00007ff67eeacf88 RCX: 00007ff67ed7c1b8 [ 9.318047][ T204] RDX: 00007ff67eac6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.318048][ T204] RBP: 00007ffe81f8cdb0 R08: 0000000000000000 R09: 0000000000008010 [ 9.318049][ T204] R10: 00007ffe81f8cb70 R11: 0000000000000246 R12: 0000000000000001 [ 9.318049][ T204] R13: 0000000000000000 R14: 00007ff67eeab680 R15: 00007ff67eeacfa0 | [ 10.658549][ T252] softirqs last disabled at (18217): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.658551][ T252] Preemption disabled at: | [ 10.658552][ T252] 0x0 | [ 10.658561][ T252] Tainted: [W]=WARN [ 10.658563][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.658564][ T252] Call Trace: [ 10.658566][ T252] [ 10.658567][ T252] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.658574][ T252] __might_resched.cold (kernel/sched/core.c:9234) [ 10.658578][ T252] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.658582][ T252] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.658587][ T252] __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)) [ 10.658589][ T252] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.658595][ T252] ? 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) [ 10.658598][ T252] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.658602][ T252] put_chars (drivers/char/virtio_console.c:1176) [ 10.658604][ T252] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.658606][ T252] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.658609][ T252] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.658614][ T252] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.658622][ T252] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.658625][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.658627][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.658631][ T252] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.658635][ T252] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.658636][ T252] ? 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)) [ 10.658640][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.658641][ T252] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.658645][ T252] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.658649][ T252] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.658651][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.658656][ T252] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.658659][ T252] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.658661][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.658662][ T252] ? 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) [ 10.658666][ T252] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.658668][ T252] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.658670][ T252] vprintk_emit (kernel/printk/printk.c:2479) [ 10.658673][ T252] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.658676][ T252] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.658680][ T252] _printk (kernel/printk/printk.c:2504) [ 10.658683][ T252] ? snapshot_read.cold (user.c:?) [ 10.658686][ T252] ? 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) [ 10.658689][ T252] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.658692][ T252] ? 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) [ 10.658695][ T252] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.658699][ T252] ? exit_notify (kernel/exit.c:780) [ 10.658700][ T252] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.658703][ T252] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.658706][ T252] do_group_exit (kernel/exit.c:1151) [ 10.658709][ T252] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.658711][ T252] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.658714][ T252] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.658718][ T252] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.658720][ T252] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.658723][ T252] RIP: 0033:0x7fce080701b8 [ 10.658725][ T252] Code: Unable to access opcode bytes at 0x7fce0807018e. Code starting with the faulting instruction =========================================== [ 10.658726][ T252] RSP: 002b:00007ffeaf5b7f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.658728][ T252] RAX: ffffffffffffffda RBX: 00007fce081a0f88 RCX: 00007fce080701b8 [ 10.658730][ T252] RDX: 00007fce07dbafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.658731][ T252] RBP: 00007ffeaf5b7fd0 R08: 0000000000000000 R09: 0000000000000050 [ 10.658732][ T252] R10: 00007ffeaf5b7d90 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print