====================================== | [ 9.526660][ T197] softirqs last disabled at (19841): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.526663][ T197] Preemption disabled at: | [ 9.526663][ T197] 0x0 | [ 9.526674][ T197] Tainted: [W]=WARN [ 9.526675][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.526676][ T197] Call Trace: [ 9.526678][ T197] [ 9.526679][ T197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.526686][ T197] __might_resched.cold (kernel/sched/core.c:9234) [ 9.526690][ T197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.526694][ T197] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.526699][ T197] __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)) [ 9.526701][ T197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.526707][ T197] ? 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) [ 9.526710][ T197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.526714][ T197] put_chars (drivers/char/virtio_console.c:1176) [ 9.526717][ T197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.526719][ T197] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.526723][ T197] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.526729][ T197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.526736][ T197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.526739][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526741][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.526745][ T197] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.526748][ T197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.526750][ T197] ? 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)) [ 9.526753][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526755][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.526759][ T197] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.526763][ T197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.526764][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.526769][ T197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.526772][ T197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.526773][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526775][ T197] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.526779][ T197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.526780][ T197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.526784][ T197] vprintk_emit (kernel/printk/printk.c:2479) [ 9.526787][ T197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.526790][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.526794][ T197] _printk (kernel/printk/printk.c:2504) [ 9.526798][ T197] ? snapshot_read.cold (user.c:?) [ 9.526800][ T197] ? 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) [ 9.526803][ T197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.526806][ T197] ? 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) [ 9.526809][ T197] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.526813][ T197] ? exit_notify (kernel/exit.c:780) [ 9.526815][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.526817][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.526821][ T197] do_group_exit (kernel/exit.c:1151) [ 9.526824][ T197] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.526826][ T197] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.526828][ T197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.526832][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.526835][ T197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.526837][ T197] RIP: 0033:0x7f96220371b8 [ 9.526840][ T197] Code: Unable to access opcode bytes at 0x7f962203718e. Code starting with the faulting instruction =========================================== [ 9.526841][ T197] RSP: 002b:00007ffe6e4f75f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.526843][ T197] RAX: ffffffffffffffda RBX: 00007f9622167f88 RCX: 00007f96220371b8 [ 9.526845][ T197] RDX: 00007f9621d81fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.526846][ T197] RBP: 00007ffe6e4f7650 R08: 0000000000000000 R09: 0000000000000050 [ 9.526847][ T197] R10: 00007ffe6e4f7410 R11: 0000000000000246 R12: 0000000000000001 [ 9.526847][ T197] R13: 0000000000000000 R14: 00007f9622166680 R15: 00007f9622167fa0 | [ 27.323003][ T1014] softirqs last disabled at (180261): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 27.323011][ T1014] Preemption disabled at: | [ 27.323012][ T1014] 0x0 | [ 27.323023][ T1014] Tainted: [W]=WARN [ 27.323024][ T1014] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.323025][ T1014] Call Trace: [ 27.323027][ T1014] [ 27.323029][ T1014] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.323037][ T1014] __might_resched.cold (kernel/sched/core.c:9234) [ 27.323043][ T1014] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.323048][ T1014] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.323054][ T1014] __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)) [ 27.323056][ T1014] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.323062][ T1014] ? 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) [ 27.323065][ T1014] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.323069][ T1014] put_chars (drivers/char/virtio_console.c:1176) [ 27.323072][ T1014] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.323074][ T1014] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.323078][ T1014] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.323084][ T1014] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.323091][ T1014] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.323094][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.323096][ T1014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.323100][ T1014] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.323104][ T1014] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.323105][ T1014] ? 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)) [ 27.323108][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.323110][ T1014] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.323114][ T1014] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.323118][ T1014] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.323119][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.323124][ T1014] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.323127][ T1014] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.323129][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.323131][ T1014] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.323134][ T1014] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.323136][ T1014] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.323139][ T1014] vprintk_emit (kernel/printk/printk.c:2479) [ 27.323143][ T1014] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.323144][ T1014] ? 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) [ 27.323147][ T1014] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.323151][ T1014] _printk (kernel/printk/printk.c:2504) [ 27.323154][ T1014] ? snapshot_read.cold (user.c:?) [ 27.323157][ T1014] ? 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) [ 27.323160][ T1014] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 27.323163][ T1014] ? 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) [ 27.323166][ T1014] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 27.323170][ T1014] ? exit_notify (kernel/exit.c:780) [ 27.323172][ T1014] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.323174][ T1014] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.323178][ T1014] do_group_exit (kernel/exit.c:1151) [ 27.323181][ T1014] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 27.323184][ T1014] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 27.323185][ T1014] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.323189][ T1014] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.323192][ T1014] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.323195][ T1014] RIP: 0033:0x7f7b263651b8 [ 27.323197][ T1014] Code: Unable to access opcode bytes at 0x7f7b2636518e. Code starting with the faulting instruction =========================================== [ 27.323198][ T1014] RSP: 002b:00007fff56ae29d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.323201][ T1014] RAX: ffffffffffffffda RBX: 00007f7b26495f88 RCX: 00007f7b263651b8 [ 27.323202][ T1014] RDX: 00007f7b262a2a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 27.323203][ T1014] RBP: 00007fff56ae2a30 R08: 0000000000000000 R09: 0000000000000000 [ 27.323204][ T1014] R10: 00007fff56ae2870 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print