======================================
| 0
| xx__-> [ 44.603622][ T339] GACT probability NOT on
| [ 50.059146][ T402] Mirror/redirect action on
| [ 72.867965][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 72.868601][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 72.868996][ C3] Call Trace:
[ 72.869131][ C3]
[ 72.869224][ C3] dump_stack_lvl (lib/dump_stack.c:117)
[ 72.869408][ C3] __report_bad_irq (kernel/irq/spurious.c:214)
[ 72.869587][ C3] note_interrupt (kernel/irq/spurious.c:423)
[ 72.869769][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210)
[ 72.869950][ C3] handle_edge_irq (kernel/irq/chip.c:833)
[ 72.870132][ C3] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285)
[ 72.870308][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14))
[ 72.870483][ C3]
[ 72.870578][ C3]
[ 72.870666][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693)
[ 72.870853][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 72.871080][ C3] Code: 10 e8 d1 db 90 fd 48 89 ef e8 49 4c 91 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 a5 3b 25 45 <74> 0e 5b 5d c3 cc cc cc cc e8 bf bb b4 fd eb dc 0f 1f 44 00 00 5b
All code
========
0: 10 e8 adc %ch,%al
2: d1 db rcr %ebx
4: 90 nop
5: fd std
6: 48 89 ef mov %rbp,%rdi
9: e8 49 4c 91 fd call 0xfffffffffd914c57
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 a5 3b 25 45 decl %gs:0x45253ba5(%rip) # 0x45253bcf
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 bf bb b4 fd call 0xfffffffffdb4bbf7
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 bf bb b4 fd call 0xfffffffffdb4bbcd
e: eb dc jmp 0xffffffffffffffec
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 5b pop %rbx
[ 72.871671][ C3] RSP: 0018:ffffc90000adfab8 EFLAGS: 00000286
[ 72.871890][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff7bf1733
[ 72.872150][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbade8cb1
[ 72.872405][ C3] RBP: ffffffffbe84ce60 R08: 0000000000000001 R09: fffffbfff7bec8a8
[ 72.872672][ C3] R10: ffffffffbdf64547 R11: 0000000000000000 R12: ffffffffbe84cf68
[ 72.872938][ C3] R13: ffff88800601a800 R14: ffffffffbe84ce60 R15: 0000000000000286
[ 72.873201][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 72.873420][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:634)
[ 72.873553][ C3] process_output_block (drivers/tty/n_tty.c:574)
[ 72.873724][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 72.873942][ C3] n_tty_write (drivers/tty/n_tty.c:2390)
[ 72.874117][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360)
[ 72.874287][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 72.874458][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439)
[ 72.874629][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973)
[ 72.874809][ C3] ? lock_acquire (kernel/locking/lockdep.c:5727)
[ 72.874978][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973)
[ 72.875151][ C3] iterate_tty_write (drivers/tty/tty_io.c:1021)
[ 72.875320][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[ 72.875492][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096)
[ 72.875665][ C3] vfs_write (fs/read_write.c:497 fs/read_write.c:590)
[ 72.875802][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719)
[ 72.875970][ C3] ? __pfx_vfs_write (fs/read_write.c:571)
[ 72.876143][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326)
[ 72.876319][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 72.876489][ C3] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3))
[ 72.876705][ C3] ksys_write (fs/read_write.c:643)
[ 72.876841][ C3] ? __pfx_ksys_write (fs/read_write.c:633)
[ 72.877018][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 72.877190][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 72.877399][ C3] RIP: 0033:0x7f6e97862957
[ 72.877573][ 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
[ 72.878171][ C3] RSP: 002b:00007ffe6dc41fc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 72.878427][ C3] RAX: ffffffffffffffda RBX: 00005566aafac1d0 RCX: 00007f6e97862957
[ 72.878659][ C3] RDX: 0000000000000001 RSI: 00005566aafac1d0 RDI: 0000000000000001
[ 72.878892][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 72.879135][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005566aaf985c0
Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt