====================================== | [ 9.737549][ T202] softirqs last disabled at (20609): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.737552][ T202] Preemption disabled at: | [ 9.737552][ T202] 0x0 | [ 9.737562][ T202] Tainted: [W]=WARN [ 9.737563][ T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.737564][ T202] Call Trace: [ 9.737566][ T202] [ 9.737567][ T202] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.737574][ T202] __might_resched.cold (kernel/sched/core.c:9234) [ 9.737578][ T202] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.737582][ T202] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.737586][ T202] __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)) [ 9.737588][ T202] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.737595][ T202] ? 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) [ 9.737598][ T202] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.737601][ T202] put_chars (drivers/char/virtio_console.c:1176) [ 9.737604][ T202] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.737605][ T202] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.737608][ T202] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.737614][ T202] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.737621][ T202] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.737624][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737626][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.737630][ T202] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.737633][ T202] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.737635][ T202] ? 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)) [ 9.737638][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737640][ T202] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.737644][ T202] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.737648][ T202] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.737650][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.737655][ T202] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.737658][ T202] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.737660][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737661][ T202] ? 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) [ 9.737665][ T202] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.737667][ T202] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.737669][ T202] vprintk_emit (kernel/printk/printk.c:2479) [ 9.737672][ T202] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.737675][ T202] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.737679][ T202] _printk (kernel/printk/printk.c:2504) [ 9.737682][ T202] ? snapshot_read.cold (user.c:?) [ 9.737685][ T202] ? 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) [ 9.737688][ T202] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.737692][ T202] ? 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) [ 9.737695][ T202] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.737698][ T202] ? exit_notify (kernel/exit.c:780) [ 9.737700][ T202] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.737702][ T202] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737706][ T202] do_group_exit (kernel/exit.c:1151) [ 9.737708][ T202] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.737710][ T202] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.737713][ T202] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.737717][ T202] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.737720][ T202] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.737722][ T202] RIP: 0033:0x7f4ecfe251b8 [ 9.737724][ T202] Code: Unable to access opcode bytes at 0x7f4ecfe2518e. Code starting with the faulting instruction =========================================== [ 9.737725][ T202] RSP: 002b:00007ffc2afb1d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.737728][ T202] RAX: ffffffffffffffda RBX: 00007f4ecff55f88 RCX: 00007f4ecfe251b8 [ 9.737729][ T202] RDX: 00007f4ecfb6ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.737730][ T202] RBP: 00007ffc2afb1dc0 R08: 0000000000000000 R09: 0000000000000050 [ 9.737731][ T202] R10: 00007ffc2afb1b80 R11: 0000000000000246 R12: 0000000000000001 [ 9.737731][ T202] R13: 0000000000000000 R14: 00007f4ecff54680 R15: 00007f4ecff55fa0 | [ 27.835208][ T419] softirqs last disabled at (33007): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.835211][ T419] Preemption disabled at: | [ 27.835211][ T419] 0x0 | [ 27.835221][ T419] Tainted: [W]=WARN [ 27.835222][ T419] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.835224][ T419] Call Trace: [ 27.835226][ T419] [ 27.835227][ T419] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.835234][ T419] __might_resched.cold (kernel/sched/core.c:9234) [ 27.835238][ T419] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.835242][ T419] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.835247][ T419] __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)) [ 27.835249][ T419] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.835256][ T419] ? 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) [ 27.835259][ T419] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.835263][ T419] put_chars (drivers/char/virtio_console.c:1176) [ 27.835265][ T419] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.835266][ T419] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.835270][ T419] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.835275][ T419] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.835283][ T419] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.835286][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.835288][ T419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.835292][ T419] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.835296][ T419] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.835298][ T419] ? 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)) [ 27.835301][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.835303][ T419] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.835307][ T419] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.835311][ T419] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.835313][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.835319][ T419] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.835321][ T419] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.835323][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.835325][ T419] ? 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) [ 27.835329][ T419] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.835331][ T419] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.835334][ T419] vprintk_emit (kernel/printk/printk.c:2479) [ 27.835337][ T419] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.835340][ T419] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.835343][ T419] _printk (kernel/printk/printk.c:2504) [ 27.835347][ T419] ? snapshot_read.cold (user.c:?) [ 27.835350][ T419] ? 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) [ 27.835352][ T419] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.835356][ T419] ? 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) [ 27.835359][ T419] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.835363][ T419] ? exit_notify (kernel/exit.c:780) [ 27.835364][ T419] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.835367][ T419] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.835371][ T419] do_group_exit (kernel/exit.c:1151) [ 27.835374][ T419] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 27.835376][ T419] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 27.835379][ T419] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.835383][ T419] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.835386][ T419] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.835388][ T419] RIP: 0033:0x7f275b3a21b8 [ 27.835391][ T419] Code: Unable to access opcode bytes at 0x7f275b3a218e. Code starting with the faulting instruction =========================================== [ 27.835392][ T419] RSP: 002b:00007ffee6d4fc48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.835394][ T419] RAX: ffffffffffffffda RBX: 00007f275b4d2f88 RCX: 00007f275b3a21b8 [ 27.835395][ T419] RDX: 00007f275b0ecfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 27.835396][ T419] RBP: 00007ffee6d4fca0 R08: 0000000000000000 R09: 0000000000000000 [ 27.835397][ T419] R10: 00007ffee6d4fa60 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print