======================================
| WAIT TIMEOUT stdout
|
| [ 780.916251][ T3692] Mirror/redirect action on
| [ 825.538760][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 825.539480][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 825.539870][ C3] Call Trace:
[ 825.540001][ C3]
[ 825.540101][ C3] dump_stack_lvl (lib/dump_stack.c:117)
[ 825.540290][ C3] __report_bad_irq (kernel/irq/spurious.c:214)
[ 825.540466][ C3] note_interrupt (kernel/irq/spurious.c:423)
[ 825.540644][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210)
[ 825.540816][ C3] handle_edge_irq (kernel/irq/chip.c:833)
[ 825.540992][ C3] __common_interrupt (./include/linux/irqdesc.h:161 arch/x86/kernel/irq.c:238 arch/x86/kernel/irq.c:257)
[ 825.541173][ C3] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 14))
[ 825.541362][ C3]
[ 825.541453][ C3]
[ 825.541548][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693)
[ 825.541737][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 825.541955][ C3] Code: 10 e8 b1 27 9b fd 48 89 ef e8 e9 97 9b fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 85 9e 6f 50 <74> 0e 5b 5d c3 cc cc cc cc e8 af 93 be fd eb dc 0f 1f 44 00 00 5b
All code
========
0: 10 e8 adc %ch,%al
2: b1 27 mov $0x27,%cl
4: 9b fwait
5: fd std
6: 48 89 ef mov %rbp,%rdi
9: e8 e9 97 9b fd call 0xfffffffffd9b97f7
e: 81 e3 00 02 00 00 and $0x200,%ebx
14: 75 1d jne 0x33
16: 9c pushf
17: 58 pop %rax
18: f6 c4 02 test $0x2,%ah
1b: 75 29 jne 0x46
1d: 48 85 db test %rbx,%rbx
20: 74 01 je 0x23
22: fb sti
23: 65 ff 0d 85 9e 6f 50 decl %gs:0x506f9e85(%rip) # 0x506f9eaf
2a:* 74 0e je 0x3a <-- trapping instruction
2c: 5b pop %rbx
2d: 5d pop %rbp
2e: c3 ret
2f: cc int3
30: cc int3
31: cc int3
32: cc int3
33: e8 af 93 be fd call 0xfffffffffdbe93e7
38: eb dc jmp 0x16
3a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
3f: 5b pop %rbx
Code starting with the faulting instruction
===========================================
0: 74 0e je 0x10
2: 5b pop %rbx
3: 5d pop %rbp
4: c3 ret
5: cc int3
6: cc int3
7: cc int3
8: cc int3
9: e8 af 93 be fd call 0xfffffffffdbe93bd
e: eb dc jmp 0xffffffffffffffec
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 5b pop %rbx
[ 825.542560][ C3] RSP: 0018:ffffc90002a9fa80 EFLAGS: 00000286
[ 825.542791][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff65686d7
[ 825.543059][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffaf942991
[ 825.543315][ C3] RBP: ffffffffb34241a0 R08: 0000000000000001 R09: fffffbfff65638b0
[ 825.543567][ C3] R10: ffffffffb2b1c587 R11: 0000000000000000 R12: 0000000000000c9b
[ 825.543820][ C3] R13: ffffffffb34242a8 R14: ffffffffb34241a0 R15: ffff888002340000
[ 825.544089][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 825.544307][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:616)
[ 825.544446][ C3] process_output_block (drivers/tty/n_tty.c:574)
[ 825.544619][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 825.544835][ C3] n_tty_write (drivers/tty/n_tty.c:2380)
[ 825.545008][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2350)
[ 825.545182][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 825.545359][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439)
[ 825.545540][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973)
[ 825.545713][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 825.545893][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973)
[ 825.546072][ C3] iterate_tty_write (drivers/tty/tty_io.c:1021)
[ 825.546248][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[ 825.546435][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096)
[ 825.546611][ C3] vfs_write (./include/linux/fs.h:2108 fs/read_write.c:497 fs/read_write.c:590)
[ 825.546748][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5406)
[ 825.546920][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 825.547090][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 825.547265][ C3] ? __pfx_vfs_write (fs/read_write.c:571)
[ 825.547442][ C3] ? __might_fault (mm/memory.c:6216 mm/memory.c:6209)
[ 825.547613][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:316)
[ 825.547831][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 825.548015][ C3] ksys_write (fs/read_write.c:643)
[ 825.548147][ C3] ? __pfx_ksys_write (fs/read_write.c:633)
[ 825.548323][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 825.548497][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 825.548706][ C3] RIP: 0033:0x7fb9589c2957
[ 825.548879][ C3] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
0: 0b 00 or (%rax),%eax
2: f7 d8 neg %eax
4: 64 89 02 mov %eax,%fs:(%rdx)
7: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
e: eb b7 jmp 0xffffffffffffffc7
10: 0f 1f 00 nopl (%rax)
13: f3 0f 1e fa endbr64
17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax
1e: 00
1f: 85 c0 test %eax,%eax
21: 75 10 jne 0x33
23: b8 01 00 00 00 mov $0x1,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 51 ja 0x83
32: c3 ret
33: 48 83 ec 28 sub $0x28,%rsp
37: 48 89 54 24 18 mov %rdx,0x18(%rsp)
3c: 48 rex.W
3d: 89 .byte 0x89
3e: 74 24 je 0x64
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 51 ja 0x59
8: c3 ret
9: 48 83 ec 28 sub $0x28,%rsp
d: 48 89 54 24 18 mov %rdx,0x18(%rsp)
12: 48 rex.W
13: 89 .byte 0x89
14: 74 24 je 0x3a
[ 825.549479][ C3] RSP: 002b:00007ffec70dbdf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 825.549734][ C3] RAX: ffffffffffffffda RBX: 000055dfb6d16070 RCX: 00007fb9589c2957
[ 825.549988][ C3] RDX: 0000000000000001 RSI: 000055dfb6d16070 RDI: 0000000000000001
[ 825.550241][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 825.550498][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055dfb6d02590
Finger prints:
dump_stack_lvl:__report_bad_irq:note_interrupt:handle_irq_event