====================================== | [ 10.391960][ T195] softirqs last disabled at (33813): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.391962][ T195] Preemption disabled at: | [ 10.391963][ T195] 0x0 | [ 10.391973][ T195] Tainted: [W]=WARN [ 10.391974][ T195] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.391976][ T195] Call Trace: [ 10.391977][ T195] [ 10.391979][ T195] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.391985][ T195] __might_resched.cold (kernel/sched/core.c:9234) [ 10.391989][ T195] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.391994][ T195] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.391998][ T195] __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)) [ 10.392000][ T195] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.392007][ T195] ? 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) [ 10.392009][ T195] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.392013][ T195] put_chars (drivers/char/virtio_console.c:1176) [ 10.392016][ T195] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.392017][ T195] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.392020][ T195] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.392025][ T195] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.392033][ T195] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.392036][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.392038][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.392042][ T195] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.392046][ T195] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.392047][ T195] ? 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)) [ 10.392051][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.392052][ T195] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.392057][ T195] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.392061][ T195] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.392063][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.392068][ T195] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.392071][ T195] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.392073][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.392074][ T195] ? 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) [ 10.392078][ T195] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.392080][ T195] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.392082][ T195] vprintk_emit (kernel/printk/printk.c:2479) [ 10.392085][ T195] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.392088][ T195] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.392092][ T195] _printk (kernel/printk/printk.c:2504) [ 10.392095][ T195] ? snapshot_read.cold (user.c:?) [ 10.392098][ T195] ? 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) [ 10.392101][ T195] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.392104][ T195] ? 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) [ 10.392107][ T195] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.392111][ T195] ? exit_notify (kernel/exit.c:780) [ 10.392112][ T195] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.392115][ T195] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.392118][ T195] do_group_exit (kernel/exit.c:1151) [ 10.392121][ T195] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.392123][ T195] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.392125][ T195] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.392129][ T195] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.392132][ T195] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.392134][ T195] RIP: 0033:0x7fee47db41b8 [ 10.392137][ T195] Code: Unable to access opcode bytes at 0x7fee47db418e. Code starting with the faulting instruction =========================================== [ 10.392138][ T195] RSP: 002b:00007ffff9b0f2e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.392140][ T195] RAX: ffffffffffffffda RBX: 00007fee47ee4f88 RCX: 00007fee47db41b8 [ 10.392141][ T195] RDX: 00007fee47afefc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.392142][ T195] RBP: 00007ffff9b0f340 R08: 0000000000000000 R09: 0000000000000050 [ 10.392143][ T195] R10: 00007ffff9b0f100 R11: 0000000000000246 R12: 0000000000000001 [ 10.392144][ T195] R13: 0000000000000000 R14: 00007fee47ee3680 R15: 00007fee47ee4fa0 | [ 11.510988][ T222] softirqs last disabled at (29253): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.510991][ T222] Preemption disabled at: | [ 11.510991][ T222] 0x0 | [ 11.511001][ T222] Tainted: [W]=WARN [ 11.511002][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.511004][ T222] Call Trace: [ 11.511006][ T222] [ 11.511007][ T222] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.511013][ T222] __might_resched.cold (kernel/sched/core.c:9234) [ 11.511018][ T222] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.511022][ T222] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.511027][ T222] __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)) [ 11.511029][ T222] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.511036][ T222] ? 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) [ 11.511039][ T222] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.511043][ T222] put_chars (drivers/char/virtio_console.c:1176) [ 11.511045][ T222] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.511046][ T222] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.511050][ T222] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.511055][ T222] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.511063][ T222] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.511065][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.511067][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.511071][ T222] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.511075][ T222] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.511077][ T222] ? 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)) [ 11.511080][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.511082][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.511086][ T222] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.511090][ T222] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.511092][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.511097][ T222] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.511100][ T222] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.511102][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.511104][ T222] ? 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) [ 11.511107][ T222] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.511109][ T222] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.511112][ T222] vprintk_emit (kernel/printk/printk.c:2479) [ 11.511115][ T222] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.511118][ T222] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.511121][ T222] _printk (kernel/printk/printk.c:2504) [ 11.511125][ T222] ? snapshot_read.cold (user.c:?) [ 11.511128][ T222] ? 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) [ 11.511130][ T222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.511134][ T222] ? 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) [ 11.511137][ T222] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.511140][ T222] ? exit_notify (kernel/exit.c:780) [ 11.511142][ T222] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.511145][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.511148][ T222] do_group_exit (kernel/exit.c:1151) [ 11.511151][ T222] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.511153][ T222] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.511155][ T222] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.511159][ T222] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.511162][ T222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.511164][ T222] RIP: 0033:0x7faacef601b8 [ 11.511167][ T222] Code: Unable to access opcode bytes at 0x7faacef6018e. Code starting with the faulting instruction =========================================== [ 11.511168][ T222] RSP: 002b:00007fffa0f302a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.511170][ T222] RAX: ffffffffffffffda RBX: 00007faacf090f88 RCX: 00007faacef601b8 [ 11.511172][ T222] RDX: 00007faacecaafc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.511173][ T222] RBP: 00007fffa0f30300 R08: 0000000000000000 R09: 0000000000000050 [ 11.511173][ T222] R10: 00007fffa0f300c0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print