====================================== | [ 94.329783][ T525] softirqs last disabled at (41313): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 94.329786][ T525] Preemption disabled at: | [ 94.329787][ T525] 0x0 | [ 94.329801][ T525] Tainted: [W]=WARN [ 94.329802][ T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.329805][ T525] Call Trace: [ 94.329807][ T525] [ 94.329809][ T525] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.329816][ T525] __might_resched.cold (kernel/sched/core.c:9234) [ 94.329823][ T525] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.329828][ T525] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 94.329835][ T525] __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)) [ 94.329839][ T525] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.329848][ T525] ? 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) [ 94.329852][ T525] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.329857][ T525] put_chars (drivers/char/virtio_console.c:1176) [ 94.329862][ T525] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.329865][ T525] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 94.329871][ T525] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 94.329880][ T525] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.329892][ T525] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.329896][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.329899][ T525] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.329906][ T525] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.329912][ T525] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.329914][ T525] ? 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)) [ 94.329919][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.329923][ T525] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.329929][ T525] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.329936][ T525] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.329938][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 94.329949][ T525] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.329953][ T525] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.329955][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.329959][ T525] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 94.329965][ T525] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.329967][ T525] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.329972][ T525] vprintk_emit (kernel/printk/printk.c:2479) [ 94.329978][ T525] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.329984][ T525] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 94.329990][ T525] _printk (kernel/printk/printk.c:2504) [ 94.329995][ T525] ? snapshot_read.cold (user.c:?) [ 94.329999][ T525] ? 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) [ 94.330003][ T525] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.330009][ T525] ? 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) [ 94.330014][ T525] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 94.330019][ T525] ? exit_notify (kernel/exit.c:780) [ 94.330022][ T525] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 94.330026][ T525] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.330032][ T525] do_group_exit (kernel/exit.c:1151) [ 94.330038][ T525] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 94.330041][ T525] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 94.330044][ T525] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 94.330048][ T525] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 94.330053][ T525] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 94.330056][ T525] RIP: 0033:0x7ff7d59501b8 [ 94.330060][ T525] Code: Unable to access opcode bytes at 0x7ff7d595018e. Code starting with the faulting instruction =========================================== [ 94.330062][ T525] RSP: 002b:00007ffcf5cbd388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 94.330065][ T525] RAX: ffffffffffffffda RBX: 00007ff7d5a80f88 RCX: 00007ff7d59501b8 [ 94.330067][ T525] RDX: 00007ff7d5860dc8 RSI: fffffffffffffc30 RDI: 0000000000000000 [ 94.330068][ T525] RBP: 00007ffcf5cbd3e0 R08: 0000000000000000 R09: 0000000000000030 [ 94.330070][ T525] R10: 00007ffcf5cbd1e0 R11: 0000000000000246 R12: 0000000000000002 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print