====================================== | [ 10.503972][ T209] softirqs last disabled at (34163): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.503975][ T209] Preemption disabled at: | [ 10.503976][ T209] 0x0 | [ 10.503990][ T209] Tainted: [W]=WARN [ 10.503991][ T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.503993][ T209] Call Trace: [ 10.503995][ T209] [ 10.503997][ T209] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.504006][ T209] __might_resched.cold (kernel/sched/core.c:9234) [ 10.504011][ T209] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.504017][ T209] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.504023][ T209] __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)) [ 10.504027][ T209] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.504037][ T209] ? 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) [ 10.504040][ T209] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.504046][ T209] put_chars (drivers/char/virtio_console.c:1176) [ 10.504050][ T209] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.504052][ T209] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.504057][ T209] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.504067][ T209] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.504079][ T209] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.504083][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.504086][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.504093][ T209] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.504099][ T209] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.504102][ T209] ? 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)) [ 10.504107][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.504110][ T209] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.504117][ T209] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.504124][ T209] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.504127][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.504136][ T209] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.504140][ T209] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.504143][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.504146][ T209] ? 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) [ 10.504152][ T209] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.504155][ T209] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.504159][ T209] vprintk_emit (kernel/printk/printk.c:2479) [ 10.504165][ T209] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.504170][ T209] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.504176][ T209] _printk (kernel/printk/printk.c:2504) [ 10.504181][ T209] ? snapshot_read.cold (user.c:?) [ 10.504185][ T209] ? 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) [ 10.504189][ T209] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.504196][ T209] ? 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) [ 10.504200][ T209] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.504205][ T209] ? exit_notify (kernel/exit.c:780) [ 10.504207][ T209] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.504212][ T209] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.504218][ T209] do_group_exit (kernel/exit.c:1151) [ 10.504223][ T209] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.504226][ T209] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.504230][ T209] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.504234][ T209] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.504239][ T209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.504243][ T209] RIP: 0033:0x7f5ab62241b8 [ 10.504246][ T209] Code: Unable to access opcode bytes at 0x7f5ab622418e. Code starting with the faulting instruction =========================================== [ 10.504247][ T209] RSP: 002b:00007ffc05b53148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.504251][ T209] RAX: ffffffffffffffda RBX: 00007f5ab6354f88 RCX: 00007f5ab62241b8 [ 10.504253][ T209] RDX: 00007f5ab5f6efc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.504254][ T209] RBP: 00007ffc05b531a0 R08: 0000000000000000 R09: 0000000000008010 [ 10.504256][ T209] R10: 00007ffc05b52f60 R11: 0000000000000246 R12: 0000000000000001 [ 10.504257][ T209] R13: 0000000000000000 R14: 00007f5ab6353680 R15: 00007f5ab6354fa0 | [ 20.131385][ T256] softirqs last disabled at (37785): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 20.131388][ T256] Preemption disabled at: | [ 20.131389][ T256] 0x0 | [ 20.131399][ T256] Tainted: [W]=WARN [ 20.131400][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.131402][ T256] Call Trace: [ 20.131403][ T256] [ 20.131405][ T256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.131412][ T256] __might_resched.cold (kernel/sched/core.c:9234) [ 20.131416][ T256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.131420][ T256] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.131425][ T256] __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)) [ 20.131427][ T256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.131433][ T256] ? 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) [ 20.131436][ T256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.131440][ T256] put_chars (drivers/char/virtio_console.c:1176) [ 20.131442][ T256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.131443][ T256] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.131447][ T256] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.131453][ T256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.131461][ T256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.131464][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.131466][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.131470][ T256] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.131474][ T256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.131476][ T256] ? 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)) [ 20.131479][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.131481][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.131485][ T256] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.131489][ T256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.131491][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.131497][ T256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.131500][ T256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.131501][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.131503][ T256] ? 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) [ 20.131507][ T256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.131509][ T256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.131512][ T256] vprintk_emit (kernel/printk/printk.c:2479) [ 20.131515][ T256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.131518][ T256] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.131521][ T256] _printk (kernel/printk/printk.c:2504) [ 20.131525][ T256] ? snapshot_read.cold (user.c:?) [ 20.131528][ T256] ? 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) [ 20.131531][ T256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.131535][ T256] ? 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) [ 20.131538][ T256] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 20.131541][ T256] ? exit_notify (kernel/exit.c:780) [ 20.131543][ T256] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.131546][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.131549][ T256] do_group_exit (kernel/exit.c:1151) [ 20.131552][ T256] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 20.131554][ T256] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 20.131557][ T256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.131561][ T256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.131564][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.131567][ T256] RIP: 0033:0x7f9942e5c1b8 [ 20.131569][ T256] Code: Unable to access opcode bytes at 0x7f9942e5c18e. Code starting with the faulting instruction =========================================== [ 20.131570][ T256] RSP: 002b:00007ffe20dabe38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 20.131573][ T256] RAX: ffffffffffffffda RBX: 00007f9942f8cf88 RCX: 00007f9942e5c1b8 [ 20.131574][ T256] RDX: 00007f9942d99a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 20.131575][ T256] RBP: 00007ffe20dabe90 R08: 0000000000000000 R09: 0000000000000000 [ 20.131576][ T256] R10: 00007ffe20dabcd0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print