====================================== | [ 11.198396][ T194] softirqs last disabled at (23859): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.198399][ T194] Preemption disabled at: | [ 11.198400][ T194] 0x0 | [ 11.198414][ T194] Tainted: [W]=WARN [ 11.198415][ T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.198417][ T194] Call Trace: [ 11.198419][ T194] [ 11.198422][ T194] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.198430][ T194] __might_resched.cold (kernel/sched/core.c:9234) [ 11.198437][ T194] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.198442][ T194] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.198449][ T194] __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)) [ 11.198453][ T194] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.198463][ T194] ? 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) [ 11.198466][ T194] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.198472][ T194] put_chars (drivers/char/virtio_console.c:1176) [ 11.198476][ T194] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.198478][ T194] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.198484][ T194] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.198494][ T194] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.198506][ T194] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.198510][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.198513][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.198520][ T194] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.198527][ T194] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.198529][ T194] ? 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)) [ 11.198535][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.198538][ T194] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.198545][ T194] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.198552][ T194] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.198555][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.198564][ T194] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.198568][ T194] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.198571][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.198574][ T194] ? 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) [ 11.198581][ T194] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.198583][ T194] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.198588][ T194] vprintk_emit (kernel/printk/printk.c:2479) [ 11.198594][ T194] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.198599][ T194] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.198605][ T194] _printk (kernel/printk/printk.c:2504) [ 11.198610][ T194] ? snapshot_read.cold (user.c:?) [ 11.198615][ T194] ? 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) [ 11.198619][ T194] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.198625][ T194] ? 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) [ 11.198630][ T194] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.198635][ T194] ? exit_notify (kernel/exit.c:780) [ 11.198638][ T194] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.198642][ T194] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.198649][ T194] do_group_exit (kernel/exit.c:1151) [ 11.198654][ T194] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.198657][ T194] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.198660][ T194] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.198665][ T194] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.198669][ T194] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.198673][ T194] RIP: 0033:0x7fc9445451b8 [ 11.198676][ T194] Code: Unable to access opcode bytes at 0x7fc94454518e. Code starting with the faulting instruction =========================================== [ 11.198677][ T194] RSP: 002b:00007fffcab32d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.198681][ T194] RAX: ffffffffffffffda RBX: 00007fc944675f88 RCX: 00007fc9445451b8 [ 11.198683][ T194] RDX: 00007fc94428ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.198684][ T194] RBP: 00007fffcab32de0 R08: 0000000000000000 R09: 0000000000000050 [ 11.198685][ T194] R10: 00007fffcab32ba0 R11: 0000000000000246 R12: 0000000000000001 [ 11.198687][ T194] R13: 0000000000000000 R14: 00007fc944674680 R15: 00007fc944675fa0 | [ 235.440006][ T288] softirqs last disabled at (16110071): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 235.440008][ T288] Preemption disabled at: | [ 235.440009][ T288] 0x0 | [ 235.440019][ T288] Tainted: [W]=WARN [ 235.440020][ T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 235.440022][ T288] Call Trace: [ 235.440024][ T288] [ 235.440025][ T288] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 235.440031][ T288] __might_resched.cold (kernel/sched/core.c:9234) [ 235.440036][ T288] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 235.440040][ T288] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 235.440044][ T288] __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)) [ 235.440046][ T288] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 235.440054][ T288] ? 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) [ 235.440057][ T288] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 235.440060][ T288] put_chars (drivers/char/virtio_console.c:1176) [ 235.440063][ T288] ? __send_to_port (drivers/char/virtio_console.c:654) [ 235.440064][ T288] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 235.440067][ T288] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 235.440073][ T288] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 235.440080][ T288] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 235.440083][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 235.440085][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 235.440089][ T288] console_emit_next_record (kernel/printk/printk.c:3183) [ 235.440093][ T288] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 235.440095][ T288] ? 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)) [ 235.440098][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 235.440100][ T288] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 235.440104][ T288] console_flush_one_record (kernel/printk/printk.c:3268) [ 235.440108][ T288] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 235.440110][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 235.440115][ T288] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 235.440118][ T288] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 235.440120][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 235.440122][ T288] ? 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) [ 235.440126][ T288] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 235.440128][ T288] ? vprintk_emit (kernel/printk/printk.c:2478) [ 235.440130][ T288] vprintk_emit (kernel/printk/printk.c:2479) [ 235.440133][ T288] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 235.440136][ T288] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 235.440140][ T288] _printk (kernel/printk/printk.c:2504) [ 235.440144][ T288] ? snapshot_read.cold (user.c:?) [ 235.440146][ T288] ? 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) [ 235.440149][ T288] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 235.440153][ T288] ? 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) [ 235.440156][ T288] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 235.440160][ T288] ? exit_notify (kernel/exit.c:780) [ 235.440161][ T288] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 235.440164][ T288] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 235.440167][ T288] do_group_exit (kernel/exit.c:1151) [ 235.440170][ T288] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 235.440172][ T288] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 235.440174][ T288] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 235.440179][ T288] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 235.440182][ T288] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 235.440184][ T288] RIP: 0033:0x7f54cbb131b8 [ 235.440186][ T288] Code: Unable to access opcode bytes at 0x7f54cbb1318e. Code starting with the faulting instruction =========================================== [ 235.440187][ T288] RSP: 002b:00007ffc22b546f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 235.440190][ T288] RAX: ffffffffffffffda RBX: 00007f54cbc43f88 RCX: 00007f54cbb131b8 [ 235.440191][ T288] RDX: 00007f54cba50a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 235.440192][ T288] RBP: 00007ffc22b54750 R08: 0000000000000000 R09: 0000000000000005 [ 235.440193][ T288] R10: 00007ffc22b54590 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print