====================================== | [ 9.565562][ T204] softirqs last disabled at (27053): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.565564][ T204] Preemption disabled at: | [ 9.565564][ T204] 0x0 | [ 9.565575][ T204] Tainted: [W]=WARN [ 9.565576][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.565578][ T204] Call Trace: [ 9.565579][ T204] [ 9.565581][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.565587][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.565592][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.565596][ 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) [ 9.565600][ 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)) [ 9.565602][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.565609][ 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) [ 9.565611][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.565615][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.565618][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.565619][ T204] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.565622][ T204] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.565628][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.565635][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.565638][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.565640][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.565644][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.565647][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.565649][ 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)) [ 9.565652][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.565654][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.565658][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.565662][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.565664][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.565669][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.565672][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.565674][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.565675][ 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) [ 9.565679][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.565680][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.565683][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.565686][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.565689][ T204] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.565693][ T204] _printk (kernel/printk/printk.c:2504) [ 9.565696][ T204] ? snapshot_read.cold (user.c:?) [ 9.565699][ 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) [ 9.565702][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.565706][ 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) [ 9.565708][ T204] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.565712][ T204] ? exit_notify (kernel/exit.c:780) [ 9.565713][ T204] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.565716][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.565719][ T204] do_group_exit (kernel/exit.c:1151) [ 9.565722][ T204] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.565724][ T204] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.565727][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.565731][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.565734][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.565736][ T204] RIP: 0033:0x7f52dc48a1b8 [ 9.565738][ T204] Code: Unable to access opcode bytes at 0x7f52dc48a18e. Code starting with the faulting instruction =========================================== [ 9.565739][ T204] RSP: 002b:00007ffc6c3393e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.565741][ T204] RAX: ffffffffffffffda RBX: 00007f52dc5baf88 RCX: 00007f52dc48a1b8 [ 9.565743][ T204] RDX: 00007f52dc1d4fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.565744][ T204] RBP: 00007ffc6c339440 R08: 0000000000000000 R09: 0000000000000050 [ 9.565745][ T204] R10: 00007ffc6c339200 R11: 0000000000000246 R12: 0000000000000001 [ 9.565745][ T204] R13: 0000000000000000 R14: 00007f52dc5b9680 R15: 00007f52dc5bafa0 | [ 21.262663][ T699] softirqs last disabled at (16157): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 21.262665][ T699] Preemption disabled at: | [ 21.262666][ T699] 0x0 | [ 21.262675][ T699] Tainted: [W]=WARN [ 21.262676][ T699] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.262678][ T699] Call Trace: [ 21.262679][ T699] [ 21.262681][ T699] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.262687][ T699] __might_resched.cold (kernel/sched/core.c:9234) [ 21.262692][ T699] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.262695][ T699] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.262700][ T699] __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)) [ 21.262701][ T699] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.262708][ T699] ? 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) [ 21.262711][ T699] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.262714][ T699] put_chars (drivers/char/virtio_console.c:1176) [ 21.262717][ T699] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.262718][ T699] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.262722][ T699] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.262727][ T699] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.262734][ T699] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.262737][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.262739][ T699] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.262743][ T699] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.262747][ T699] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.262749][ T699] ? 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)) [ 21.262752][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.262753][ T699] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.262757][ T699] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.262761][ T699] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.262763][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.262768][ T699] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.262771][ T699] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.262773][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.262774][ T699] ? 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) [ 21.262778][ T699] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.262780][ T699] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.262782][ T699] vprintk_emit (kernel/printk/printk.c:2479) [ 21.262785][ T699] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.262788][ T699] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.262792][ T699] _printk (kernel/printk/printk.c:2504) [ 21.262795][ T699] ? snapshot_read.cold (user.c:?) [ 21.262798][ T699] ? 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) [ 21.262801][ T699] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.262804][ T699] ? 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) [ 21.262807][ T699] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 21.262811][ T699] ? exit_notify (kernel/exit.c:780) [ 21.262812][ T699] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.262815][ T699] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.262818][ T699] do_group_exit (kernel/exit.c:1151) [ 21.262821][ T699] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 21.262822][ T699] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 21.262825][ T699] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.262829][ T699] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.262832][ T699] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.262834][ T699] RIP: 0033:0x7fcb729d21b8 [ 21.262836][ T699] Code: Unable to access opcode bytes at 0x7fcb729d218e. Code starting with the faulting instruction =========================================== [ 21.262837][ T699] RSP: 002b:00007ffe7bbb7168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 21.262840][ T699] RAX: ffffffffffffffda RBX: 00007fcb72b02f88 RCX: 00007fcb729d21b8 [ 21.262841][ T699] RDX: 00007fcb7271cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000001 [ 21.262842][ T699] RBP: 00007ffe7bbb71c0 R08: 0000000000000000 R09: 0000000000000000 [ 21.262843][ T699] R10: 00007ffe7bbb6f80 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print