======================================
| xx__-> echo $?
| 0
| xx__-> [ 1077.065726] tc (6189) used greatest stack depth: 11736 bytes left
| [ 1119.485423] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1119.485566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1119.485567] Call Trace:
[ 1119.485571]
[ 1119.485576] dump_stack_lvl (lib/dump_stack.c:123)
[ 1119.485587] __report_bad_irq (kernel/irq/spurious.c:170)
[ 1119.485594] note_interrupt (kernel/irq/spurious.c:372)
[ 1119.485596] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210)
[ 1119.485598] handle_edge_irq (kernel/irq/chip.c:857)
[ 1119.485601] __common_interrupt (./include/asm-generic/irq_regs.h:29 arch/x86/kernel/irq.c:328)
[ 1119.485607] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
[ 1119.485611]
[ 1119.485612]
[ 1119.485612] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693)
[ 1119.485617] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 1119.485621] Code: f4 00 74 01 c3 0f 1f 44 00 00 c3 0f 1f 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d 84 ee f4 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
All code
========
0: f4 hlt
1: 00 74 01 c3 add %dh,-0x3d(%rcx,%rax,1)
5: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
a: c3 ret
b: 0f 1f 00 nopl (%rax)
e: f3 0f 1e fa endbr64
12: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
17: c6 07 00 movb $0x0,(%rdi)
1a: f7 c6 00 02 00 00 test $0x200,%esi
20: 74 01 je 0x23
22: fb sti
23: 65 ff 0d 84 ee f4 00 decl %gs:0xf4ee84(%rip) # 0xf4eeae
2a:* 74 01 je 0x2d <-- trapping instruction
2c: c3 ret
2d: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
32: c3 ret
33: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
3a: 00 00 00 00
3e: f3 repz
3f: 0f .byte 0xf
Code starting with the faulting instruction
===========================================
0: 74 01 je 0x3
2: c3 ret
3: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
8: c3 ret
9: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
10: 00 00 00 00
14: f3 repz
15: 0f .byte 0xf
[ 1119.485623] RSP: 0018:ffffb57140dabd50 EFLAGS: 00000286
[ 1119.485625] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[ 1119.485626] RDX: ffffffffbd750538 RSI: 0000000000000286 RDI: ffffffffbeae5300
[ 1119.485627] RBP: ffff8c4a81f74000 R08: 00000104b95fbf96 R09: 0000000000000001
[ 1119.485628] R10: ffff8c4a81de6df8 R11: 0000000000000000 R12: 0000000000000001
[ 1119.485629] R13: ffffffffbeae5300 R14: 0000000000000286 R15: ffffb571404c5000
[ 1119.485631] ? rpm_suspend (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:741)
[ 1119.485641] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:637)
[ 1119.485646] n_tty_write (drivers/tty/n_tty.c:561 drivers/tty/n_tty.c:2377)
[ 1119.485651] ? swake_up_all (kernel/sched/wait.c:458)
[ 1119.485654] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1006 drivers/tty/tty_io.c:1081)
[ 1119.485656] vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[ 1119.485663] ksys_write (fs/read_write.c:738)
[ 1119.485666] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1119.485668] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1119.485670] RIP: 0033:0x7f4510ef5337
[ 1119.485673] Code: 0f 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: 0f 00 (bad)
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
[ 1119.485674] RSP: 002b:00007ffcef1b5f08 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1119.485675] RAX: ffffffffffffffda RBX: 000055c8f2ad5220 RCX: 00007f4510ef5337
[ 1119.485676] RDX: 0000000000000001 RSI: 000055c8f2ad5220 RDI: 0000000000000001
[ 1119.485677] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1119.485678] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c8f2ac15a0
Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt