====================================== | [ 9.737380][ T177] softirqs last disabled at (32719): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.737383][ T177] Preemption disabled at: | [ 9.737384][ T177] 0x0 | [ 9.737398][ T177] Tainted: [W]=WARN [ 9.737399][ T177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.737401][ T177] Call Trace: [ 9.737403][ T177] [ 9.737405][ T177] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.737413][ T177] __might_resched.cold (kernel/sched/core.c:9234) [ 9.737419][ T177] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.737424][ T177] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.737431][ T177] __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)) [ 9.737435][ T177] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.737444][ T177] ? 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) [ 9.737447][ T177] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.737453][ T177] put_chars (drivers/char/virtio_console.c:1176) [ 9.737457][ T177] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.737469][ T177] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.737480][ T177] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.737484][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.737491][ T177] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.737497][ T177] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.737499][ T177] ? 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)) [ 9.737504][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737509][ T177] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.737515][ T177] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.737521][ T177] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.737524][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.737533][ T177] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.737537][ T177] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.737539][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737542][ T177] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.737548][ T177] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.737550][ T177] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.737555][ T177] vprintk_emit (kernel/printk/printk.c:2479) [ 9.737561][ T177] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.737566][ T177] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.737572][ T177] _printk (kernel/printk/printk.c:2504) [ 9.737577][ T177] ? snapshot_read.cold (user.c:?) [ 9.737581][ T177] ? 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) [ 9.737585][ T177] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.737592][ T177] ? 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) [ 9.737597][ T177] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.737602][ T177] ? exit_notify (kernel/exit.c:780) [ 9.737604][ T177] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.737609][ T177] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.737615][ T177] do_group_exit (kernel/exit.c:1151) [ 9.737620][ T177] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.737623][ T177] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.737627][ T177] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.737631][ T177] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.737636][ T177] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.737639][ T177] RIP: 0033:0x7f931e8881b8 [ 9.737642][ T177] Code: Unable to access opcode bytes at 0x7f931e88818e. Code starting with the faulting instruction =========================================== [ 9.737644][ T177] RSP: 002b:00007ffd5686f898 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.737647][ T177] RAX: ffffffffffffffda RBX: 00007f931e9b8f88 RCX: 00007f931e8881b8 [ 9.737649][ T177] RDX: 00007f931e5d2fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.737650][ T177] RBP: 00007ffd5686f8f0 R08: 0000000000000000 R09: 0000000000000050 [ 9.737652][ T177] R10: 00007ffd5686f6b0 R11: 0000000000000246 R12: 0000000000000001 [ 9.737659][ T177] R13: 0000000000000000 R14: 00007f931e9b7680 R15: 00007f931e9b8fa0 | [ 11.724009][ T230] softirqs last disabled at (49303): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.724012][ T230] Preemption disabled at: | [ 11.724013][ T230] 0x0 | [ 11.724027][ T230] Tainted: [W]=WARN [ 11.724029][ T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.724031][ T230] Call Trace: [ 11.724033][ T230] [ 11.724035][ T230] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.724043][ T230] __might_resched.cold (kernel/sched/core.c:9234) [ 11.724050][ T230] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.724055][ T230] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.724063][ T230] __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)) [ 11.724068][ T230] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.724078][ T230] ? 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) [ 11.724082][ T230] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.724088][ T230] put_chars (drivers/char/virtio_console.c:1176) [ 11.724093][ T230] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.724106][ T230] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.724118][ T230] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.724123][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.724135][ T230] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.724141][ T230] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.724143][ T230] ? 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)) [ 11.724149][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.724154][ T230] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.724161][ T230] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.724167][ T230] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.724169][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.724178][ T230] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.724182][ T230] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.724185][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.724188][ T230] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.724194][ T230] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.724197][ T230] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.724202][ T230] vprintk_emit (kernel/printk/printk.c:2479) [ 11.724208][ T230] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.724213][ T230] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.724219][ T230] _printk (kernel/printk/printk.c:2504) [ 11.724224][ T230] ? snapshot_read.cold (user.c:?) [ 11.724228][ T230] ? 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) [ 11.724233][ T230] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.724239][ T230] ? 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) [ 11.724244][ T230] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.724250][ T230] ? exit_notify (kernel/exit.c:780) [ 11.724252][ T230] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.724257][ T230] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.724263][ T230] do_group_exit (kernel/exit.c:1151) [ 11.724268][ T230] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.724272][ T230] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.724275][ T230] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.724280][ T230] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.724285][ T230] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.724289][ T230] RIP: 0033:0x7fd0e45741b8 [ 11.724292][ T230] Code: Unable to access opcode bytes at 0x7fd0e457418e. Code starting with the faulting instruction =========================================== [ 11.724294][ T230] RSP: 002b:00007ffda74dee58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.724297][ T230] RAX: ffffffffffffffda RBX: 00007fd0e46a4f88 RCX: 00007fd0e45741b8 [ 11.724299][ T230] RDX: 00007fd0e4459e88 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 11.724300][ T230] RBP: 00007ffda74deeb0 R08: 0000000000000000 R09: 0000000000004010 [ 11.724302][ T230] R10: 00007ffda74decb0 R11: 0000000000000246 R12: 0000000000000003 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print