====================================== | [ 12.785091][ T213] softirqs last disabled at (19987): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.785093][ T213] Preemption disabled at: | [ 12.785094][ T213] 0x0 | [ 12.785104][ T213] Tainted: [W]=WARN [ 12.785105][ T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.785107][ T213] Call Trace: [ 12.785108][ T213] [ 12.785110][ T213] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.785116][ T213] __might_resched.cold (kernel/sched/core.c:9234) [ 12.785121][ T213] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.785124][ T213] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.785129][ T213] __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)) [ 12.785132][ T213] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.785138][ T213] ? 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) [ 12.785141][ T213] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.785145][ T213] put_chars (drivers/char/virtio_console.c:1176) [ 12.785148][ T213] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.785155][ T213] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.785161][ T213] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.785164][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.785169][ T213] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.785172][ T213] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.785174][ T213] ? 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)) [ 12.785176][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.785180][ T213] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.785184][ T213] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.785188][ T213] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.785189][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.785195][ T213] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.785197][ T213] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.785198][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.785200][ T213] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.785204][ T213] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.785206][ T213] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.785209][ T213] vprintk_emit (kernel/printk/printk.c:2479) [ 12.785212][ T213] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.785215][ T213] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.785219][ T213] _printk (kernel/printk/printk.c:2504) [ 12.785223][ T213] ? snapshot_read.cold (user.c:?) [ 12.785226][ T213] ? 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) [ 12.785229][ T213] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.785233][ T213] ? 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) [ 12.785236][ T213] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.785239][ T213] ? exit_notify (kernel/exit.c:780) [ 12.785241][ T213] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.785244][ T213] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.785248][ T213] do_group_exit (kernel/exit.c:1151) [ 12.785251][ T213] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.785253][ T213] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.785256][ T213] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.785259][ T213] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.785263][ T213] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.785265][ T213] RIP: 0033:0x7f93f199c1b8 [ 12.785268][ T213] Code: Unable to access opcode bytes at 0x7f93f199c18e. Code starting with the faulting instruction =========================================== [ 12.785269][ T213] RSP: 002b:00007ffc8e308138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.785271][ T213] RAX: ffffffffffffffda RBX: 00007f93f1accf88 RCX: 00007f93f199c1b8 [ 12.785273][ T213] RDX: 00007f93f16e6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.785274][ T213] RBP: 00007ffc8e308190 R08: 0000000000000000 R09: 0000000000000050 [ 12.785274][ T213] R10: 00007ffc8e307f50 R11: 0000000000000246 R12: 0000000000000001 [ 12.785275][ T213] R13: 0000000000000000 R14: 00007f93f1acb680 R15: 00007f93f1accfa0 | [ 38.128352][ T900] softirqs last disabled at (22674): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 38.128354][ T900] Preemption disabled at: | [ 38.128355][ T900] 0x0 | [ 38.128365][ T900] Tainted: [W]=WARN [ 38.128366][ T900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.128368][ T900] Call Trace: [ 38.128369][ T900] [ 38.128371][ T900] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.128377][ T900] __might_resched.cold (kernel/sched/core.c:9234) [ 38.128381][ T900] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.128384][ T900] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.128390][ T900] __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)) [ 38.128393][ T900] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.128399][ T900] ? 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) [ 38.128402][ T900] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.128405][ T900] put_chars (drivers/char/virtio_console.c:1176) [ 38.128414][ T900] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.128420][ T900] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.128427][ T900] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.128430][ T900] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.128434][ T900] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.128438][ T900] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.128439][ T900] ? 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)) [ 38.128442][ T900] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.128445][ T900] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.128449][ T900] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.128453][ T900] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.128454][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.128459][ T900] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.128462][ T900] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.128463][ T900] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.128465][ T900] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.128468][ T900] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.128470][ T900] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.128473][ T900] vprintk_emit (kernel/printk/printk.c:2479) [ 38.128476][ T900] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.128479][ T900] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.128483][ T900] _printk (kernel/printk/printk.c:2504) [ 38.128486][ T900] ? snapshot_read.cold (user.c:?) [ 38.128489][ T900] ? 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) [ 38.128492][ T900] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.128496][ T900] ? 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) [ 38.128499][ T900] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 38.128503][ T900] ? exit_notify (kernel/exit.c:780) [ 38.128504][ T900] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.128507][ T900] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.128510][ T900] do_group_exit (kernel/exit.c:1151) [ 38.128513][ T900] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 38.128515][ T900] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 38.128518][ T900] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.128522][ T900] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.128525][ T900] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.128527][ T900] RIP: 0033:0x7f10b74281b8 [ 38.128529][ T900] Code: Unable to access opcode bytes at 0x7f10b742818e. Code starting with the faulting instruction =========================================== [ 38.128530][ T900] RSP: 002b:00007ffde7df8a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.128533][ T900] RAX: ffffffffffffffda RBX: 00007f10b7558f88 RCX: 00007f10b74281b8 [ 38.128534][ T900] RDX: 00007f10b7172fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 38.128535][ T900] RBP: 00007ffde7df8a80 R08: 0000000000000000 R09: 0000000000008010 [ 38.128536][ T900] R10: 00007ffde7df8840 R11: 0000000000000246 R12: 0000000000000001 Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print