====================================== | [ 10.679630][ T186] softirqs last disabled at (34441): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.679632][ T186] Preemption disabled at: | [ 10.679633][ T186] 0x0 | [ 10.679643][ T186] Tainted: [W]=WARN [ 10.679644][ T186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.679646][ T186] Call Trace: [ 10.679648][ T186] [ 10.679649][ T186] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.679655][ T186] __might_resched.cold (kernel/sched/core.c:9234) [ 10.679660][ T186] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.679664][ T186] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.679670][ T186] __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)) [ 10.679672][ T186] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.679678][ T186] ? 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) [ 10.679681][ T186] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.679684][ T186] put_chars (drivers/char/virtio_console.c:1176) [ 10.679687][ T186] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.679688][ T186] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.679693][ T186] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.679698][ T186] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.679705][ T186] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.679707][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.679709][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.679714][ T186] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.679717][ T186] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.679719][ T186] ? 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)) [ 10.679723][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.679725][ T186] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.679729][ T186] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.679734][ T186] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.679736][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.679741][ T186] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.679744][ T186] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.679746][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.679748][ T186] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.679752][ T186] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.679754][ T186] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.679757][ T186] vprintk_emit (kernel/printk/printk.c:2479) [ 10.679761][ T186] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.679765][ T186] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.679769][ T186] _printk (kernel/printk/printk.c:2504) [ 10.679772][ T186] ? snapshot_read.cold (user.c:?) [ 10.679775][ T186] ? 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) [ 10.679778][ T186] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.679782][ T186] ? 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) [ 10.679785][ T186] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.679789][ T186] ? exit_notify (kernel/exit.c:780) [ 10.679791][ T186] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.679793][ T186] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.679798][ T186] do_group_exit (kernel/exit.c:1151) [ 10.679801][ T186] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.679802][ T186] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.679805][ T186] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.679808][ T186] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.679811][ T186] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.679814][ T186] RIP: 0033:0x7fa265cbd1b8 [ 10.679816][ T186] Code: Unable to access opcode bytes at 0x7fa265cbd18e. Code starting with the faulting instruction =========================================== [ 10.679817][ T186] RSP: 002b:00007ffe96bf1f78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.679819][ T186] RAX: ffffffffffffffda RBX: 00007fa265dedf88 RCX: 00007fa265cbd1b8 [ 10.679821][ T186] RDX: 00007fa265a07fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.679822][ T186] RBP: 00007ffe96bf1fd0 R08: 0000000000000000 R09: 0000000000008010 [ 10.679823][ T186] R10: 00007ffe96bf1d90 R11: 0000000000000246 R12: 0000000000000001 [ 10.679824][ T186] R13: 0000000000000000 R14: 00007fa265dec680 R15: 00007fa265dedfa0 | [ 192.592627][ T1652] softirqs last disabled at (17905): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 192.592630][ T1652] Preemption disabled at: | [ 192.592631][ T1652] 0x0 | [ 192.592645][ T1652] Tainted: [W]=WARN [ 192.592646][ T1652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 192.592649][ T1652] Call Trace: [ 192.592651][ T1652] [ 192.592653][ T1652] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 192.592661][ T1652] __might_resched.cold (kernel/sched/core.c:9234) [ 192.592668][ T1652] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 192.592674][ T1652] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 192.592682][ T1652] __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)) [ 192.592686][ T1652] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.592695][ T1652] ? 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) [ 192.592699][ T1652] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 192.592704][ T1652] put_chars (drivers/char/virtio_console.c:1176) [ 192.592710][ T1652] ? __send_to_port (drivers/char/virtio_console.c:654) [ 192.592712][ T1652] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 192.592719][ T1652] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 192.592729][ T1652] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 192.592740][ T1652] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 192.592744][ T1652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.592748][ T1652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.592756][ T1652] console_emit_next_record (kernel/printk/printk.c:3183) [ 192.592762][ T1652] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 192.592765][ T1652] ? 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)) [ 192.592771][ T1652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.592775][ T1652] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 192.592782][ T1652] console_flush_one_record (kernel/printk/printk.c:3268) [ 192.592790][ T1652] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 192.592793][ T1652] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 192.592803][ T1652] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 192.592808][ T1652] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 192.592811][ T1652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.592815][ T1652] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 192.592821][ T1652] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 192.592824][ T1652] ? vprintk_emit (kernel/printk/printk.c:2478) [ 192.592830][ T1652] vprintk_emit (kernel/printk/printk.c:2479) [ 192.592836][ T1652] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 192.592843][ T1652] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 192.592850][ T1652] _printk (kernel/printk/printk.c:2504) [ 192.592855][ T1652] ? snapshot_read.cold (user.c:?) [ 192.592860][ T1652] ? 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) [ 192.592864][ T1652] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 192.592871][ T1652] ? 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) [ 192.592876][ T1652] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 192.592882][ T1652] ? exit_notify (kernel/exit.c:780) [ 192.592885][ T1652] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 192.592890][ T1652] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 192.592897][ T1652] do_group_exit (kernel/exit.c:1151) [ 192.592903][ T1652] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 192.592906][ T1652] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 192.592909][ T1652] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 192.592913][ T1652] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 192.592918][ T1652] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 192.592922][ T1652] RIP: 0033:0x7f7c051e11b8 [ 192.592925][ T1652] Code: Unable to access opcode bytes at 0x7f7c051e118e. Code starting with the faulting instruction =========================================== [ 192.592927][ T1652] RSP: 002b:00007ffed81e62c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 192.592931][ T1652] RAX: ffffffffffffffda RBX: 00007f7c05311f88 RCX: 00007f7c051e11b8 [ 192.592933][ T1652] RDX: 00007f7c04f2bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 192.592934][ T1652] RBP: 00007ffed81e6320 R08: 0000000000000000 R09: 0000000000008010 [ 192.592936][ T1652] R10: 00007ffed81e60e0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print