======================================
|
| [ 1459.070353][ T3648] GACT probability NOT on
| [ 1464.166280][ T3711] Mirror/redirect action on
| [ 1535.311228][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1535.311883][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1535.312237][ C3] Call Trace:
[ 1535.312368][ C3]
[ 1535.312457][ C3] dump_stack_lvl (lib/dump_stack.c:107)
[ 1535.312653][ C3] __report_bad_irq (kernel/irq/spurious.c:214)
[ 1535.312822][ C3] note_interrupt (kernel/irq/spurious.c:423)
[ 1535.312988][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210)
[ 1535.313149][ C3] handle_edge_irq (kernel/irq/chip.c:833)
[ 1535.313313][ C3] __common_interrupt (./include/linux/irqdesc.h:161 arch/x86/kernel/irq.c:238 arch/x86/kernel/irq.c:257)
[ 1535.313485][ C3] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 14))
[ 1535.313659][ C3]
[ 1535.313749][ C3]
[ 1535.313832][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:640)
[ 1535.313991][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 1535.314206][ C3] Code: 10 e8 f1 15 a4 fd 48 89 ef e8 19 82 a4 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 15 a8 d9 6f <74> 0e 5b 5d c3 cc cc cc cc e8 3f 3e c6 fd eb dc 0f 1f 44 00 00 5b
All code
========
0: 10 e8 adc %ch,%al
2: f1 int1
3: 15 a4 fd 48 89 adc $0x8948fda4,%eax
8: ef out %eax,(%dx)
9: e8 19 82 a4 fd call 0xfffffffffda48227
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 15 a8 d9 6f decl %gs:0x6fd9a815(%rip) # 0x6fd9a83f
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 3f 3e c6 fd call 0xfffffffffdc63e77
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 3f 3e c6 fd call 0xfffffffffdc63e4d
e: eb dc jmp 0xffffffffffffffec
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 5b pop %rbx
[ 1535.314772][ C3] RSP: 0018:ffffc9000498fa88 EFLAGS: 00000286
[ 1535.314982][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2698cea
[ 1535.315227][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff902a0ac1
[ 1535.315474][ C3] RBP: ffffffff93da4d20 R08: 0000000000000001 R09: fffffbfff2693e78
[ 1535.315753][ C3] R10: ffffffff9349f3c7 R11: 0000000000000000 R12: 00000000000008b3
[ 1535.315998][ C3] R13: ffffffff93da4e28 R14: ffffffff93da4d20 R15: ffff888003fb0000
[ 1535.316242][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 1535.316459][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:616)
[ 1535.316587][ C3] process_output_block (drivers/tty/n_tty.c:574)
[ 1535.316749][ C3] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359)
[ 1535.316953][ C3] n_tty_write (drivers/tty/n_tty.c:2380)
[ 1535.317144][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2350)
[ 1535.317309][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439)
[ 1535.317474][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1535.317633][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973)
[ 1535.317806][ C3] iterate_tty_write (drivers/tty/tty_io.c:1021)
[ 1535.317967][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[ 1535.318127][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096)
[ 1535.318286][ C3] vfs_write (./include/linux/fs.h:2085 fs/read_write.c:497 fs/read_write.c:590)
[ 1535.318407][ C3] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725)
[ 1535.318570][ C3] ? __pfx_vfs_write (fs/read_write.c:571)
[ 1535.318732][ C3] ? __might_fault (mm/memory.c:6060 mm/memory.c:6053)
[ 1535.318897][ C3] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:94 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86)
[ 1535.319062][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145)
[ 1535.319238][ C3] ksys_write (fs/read_write.c:643)
[ 1535.319359][ C3] ? __pfx_ksys_write (fs/read_write.c:633)
[ 1535.319526][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 1535.319688][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:129)
[ 1535.319883][ C3] RIP: 0033:0x7fd89e968957
[ 1535.320045][ 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
[ 1535.320604][ C3] RSP: 002b:00007ffe0662f488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1535.320851][ C3] RAX: ffffffffffffffda RBX: 000055de2e2e11b0 RCX: 00007fd89e968957
[ 1535.321091][ C3] RDX: 0000000000000001 RSI: 000055de2e2e11b0 RDI: 0000000000000001
[ 1535.321337][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1535.321577][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055de2e2cd590
Finger prints:
dump_stack_lvl:__report_bad_irq:note_interrupt:handle_irq_event