======================================
| # 107.70 [+0.00] [ 1878.438245] veth1: left promiscuous mode
| # 107.70 [+0.00] [ 1878.438547] br0: port 1(veth1) entered disabled state
| # 107.71 [+0.00] [ 1943.367908] tc (6463) used greatest stack depth: 23384 bytes left
| # 107.71 [+0.00] [ 1957.613074] irq 4: nobody cared (try booting with the "irqpoll" option)
# 107.71 [+0.00] [ 1957.613734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
# 107.72 [+0.00] [ 1957.614099] Call Trace:
# 107.72 [+0.00] [ 1957.614234]
# 107.72 [+0.00] [ 1957.614323] dump_stack_lvl (lib/dump_stack.c:123)
# 107.72 [+0.00] [ 1957.614508] __report_bad_irq (kernel/irq/spurious.c:214)
# 107.72 [+0.00] [ 1957.614676] note_interrupt (kernel/irq/spurious.c:423)
# 107.72 [+0.00] [ 1957.614842] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210)
# 107.72 [+0.00] [ 1957.615009] handle_edge_irq (kernel/irq/chip.c:833)
# 107.72 [+0.00] [ 1957.615185] __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)
# 107.73 [+0.00] [ 1957.615350] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14))
# 107.73 [+0.00] [ 1957.615518]
# 107.73 [+0.00] [ 1957.615602]
# 107.73 [+0.00] [ 1957.615683] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693)
# 107.73 [+0.00] [ 1957.615844] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 107.73 [+0.00] [ 1957.616054] Code: 10 e8 61 fa 86 fd 48 89 ef e8 79 6b 87 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 45 62 9a 4c <74> 0e 5b 5d c3 cc cc cc cc e8 7f 3e ac fd eb dc 0f 1f 44 00 00 5b
All code
========
0: 10 e8 adc %ch,%al
2: 61 (bad)
3: fa cli
4: 86 fd xchg %bh,%ch
6: 48 89 ef mov %rbp,%rdi
9: e8 79 6b 87 fd call 0xfffffffffd876b87
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 45 62 9a 4c decl %gs:0x4c9a6245(%rip) # 0x4c9a626f
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 7f 3e ac fd call 0xfffffffffdac3eb7
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 7f 3e ac fd call 0xfffffffffdac3e8d
e: eb dc jmp 0xffffffffffffffec
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 5b pop %rbx
# 107.74 [+0.01] [ 1957.616619] RSP: 0018:ffffc9000194faa0 EFLAGS: 00000286
# 107.74 [+0.00] [ 1957.616824] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6d3f2bf
# 107.74 [+0.00] [ 1957.617067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3696691
# 107.74 [+0.00] [ 1957.617310] RBP: ffffffffb72bd460 R08: 0000000000000001 R09: fffffbfff6d3a3d0
# 107.75 [+0.00] [ 1957.617566] R10: ffffffffb69d1e87 R11: 0000000000000000 R12: 00000000ffffffff
# 107.75 [+0.00] [ 1957.617802] R13: 0000000000000001 R14: ffffffffb72bd568 R15: 00000000ffffffff
# 107.75 [+0.00] [ 1957.618062] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
# 107.75 [+0.00] [ 1957.618273] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636)
# 107.75 [+0.00] [ 1957.618407] process_output_block (drivers/tty/n_tty.c:574)
# 107.75 [+0.00] [ 1957.618571] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
# 107.76 [+0.00] [ 1957.618780] n_tty_write (drivers/tty/n_tty.c:2390)
# 107.76 [+0.00] [ 1957.618952] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360)
# 107.76 [+0.00] [ 1957.619118] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
# 107.76 [+0.00] [ 1957.619278] ? __pfx_woken_wake_function (kernel/sched/wait.c:439)
# 107.76 [+0.00] [ 1957.619443] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967)
# 107.76 [+0.00] [ 1957.619599] ? lock_acquire (kernel/locking/lockdep.c:5798)
# 107.76 [+0.00] [ 1957.619761] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967)
# 107.77 [+0.00] [ 1957.619930] iterate_tty_write (drivers/tty/tty_io.c:1015)
# 107.77 [+0.00] [ 1957.620093] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 107.77 [+0.00] [ 1957.620256] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090)
# 107.77 [+0.00] [ 1957.620423] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
# 107.77 [+0.00] [ 1957.620555] ? __pfx___lock_release (kernel/locking/lockdep.c:5477)
# 107.77 [+0.00] [ 1957.620715] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
# 107.77 [+0.00] [ 1957.620882] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709)
# 107.77 [+0.00] [ 1957.621045] ? lock_acquire (kernel/locking/lockdep.c:5798)
# 107.78 [+0.00] [ 1957.621203] ? __pfx_vfs_write (fs/read_write.c:660)
# 107.78 [+0.00] [ 1957.621373] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52))
# 107.78 [+0.00] [ 1957.621544] ? __rseq_handle_notify_resume (kernel/rseq.c:333)
# 107.78 [+0.00] [ 1957.621759] ksys_write (fs/read_write.c:731)
# 107.78 [+0.00] [ 1957.621882] ? __pfx_ksys_write (fs/read_write.c:721)
# 107.78 [+0.00] [ 1957.622061] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
# 107.78 [+0.00] [ 1957.622226] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 107.79 [+0.00] [ 1957.622430] RIP: 0033:0x7fdba8345957
# 107.79 [+0.00] [ 1957.622595] 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
# 107.79 [+0.01] [ 1957.623157] RSP: 002b:00007ffdc17fb6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 107.79 [+0.00] [ 1957.623394] RAX: ffffffffffffffda RBX: 0000562a84a2f2b0 RCX: 00007fdba8345957
# 107.80 [+0.00] [ 1957.623635] RDX: 0000000000000001 RSI: 0000562a84a2f2b0 RDI: 0000000000000001
# 107.80 [+0.00] [ 1957.623867] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 107.80 [+0.00] [ 1957.624108] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562a84a1a5e0
# 107.80 [+0.00] [ 1957.624344] R13: 0000562a849fb2a0 R14: 0000000000000001 R15: 0000562a84a1a5e0
| xx__-> echo $?
| 0
| xx__-> [ 1943.367908][ T6463] tc (6463) used greatest stack depth: 23384 bytes left
| [ 1957.613074][ C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1957.613734][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1957.614099][ C3] Call Trace:
[ 1957.614234][ C3]
[ 1957.614323][ C3] dump_stack_lvl (lib/dump_stack.c:123)
[ 1957.614508][ C3] __report_bad_irq (kernel/irq/spurious.c:214)
[ 1957.614676][ C3] note_interrupt (kernel/irq/spurious.c:423)
[ 1957.614842][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210)
[ 1957.615009][ C3] handle_edge_irq (kernel/irq/chip.c:833)
[ 1957.615185][ 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)
[ 1957.615350][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14))
[ 1957.615518][ C3]
[ 1957.615602][ C3]
[ 1957.615683][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693)
[ 1957.615844][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 1957.616054][ C3] Code: 10 e8 61 fa 86 fd 48 89 ef e8 79 6b 87 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 45 62 9a 4c <74> 0e 5b 5d c3 cc cc cc cc e8 7f 3e ac fd eb dc 0f 1f 44 00 00 5b
All code
========
0: 10 e8 adc %ch,%al
2: 61 (bad)
3: fa cli
4: 86 fd xchg %bh,%ch
6: 48 89 ef mov %rbp,%rdi
9: e8 79 6b 87 fd call 0xfffffffffd876b87
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 45 62 9a 4c decl %gs:0x4c9a6245(%rip) # 0x4c9a626f
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 7f 3e ac fd call 0xfffffffffdac3eb7
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 7f 3e ac fd call 0xfffffffffdac3e8d
e: eb dc jmp 0xffffffffffffffec
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: 5b pop %rbx
[ 1957.616619][ C3] RSP: 0018:ffffc9000194faa0 EFLAGS: 00000286
[ 1957.616824][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6d3f2bf
[ 1957.617067][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3696691
[ 1957.617310][ C3] RBP: ffffffffb72bd460 R08: 0000000000000001 R09: fffffbfff6d3a3d0
[ 1957.617566][ C3] R10: ffffffffb69d1e87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1957.617802][ C3] R13: 0000000000000001 R14: ffffffffb72bd568 R15: 00000000ffffffff
[ 1957.618062][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 1957.618273][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636)
[ 1957.618407][ C3] process_output_block (drivers/tty/n_tty.c:574)
[ 1957.618571][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406)
[ 1957.618780][ C3] n_tty_write (drivers/tty/n_tty.c:2390)
[ 1957.618952][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360)
[ 1957.619118][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 1957.619278][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439)
[ 1957.619443][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967)
[ 1957.619599][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798)
[ 1957.619761][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967)
[ 1957.619930][ C3] iterate_tty_write (drivers/tty/tty_io.c:1015)
[ 1957.620093][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[ 1957.620256][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090)
[ 1957.620423][ C3] vfs_write (fs/read_write.c:586 fs/read_write.c:679)
[ 1957.620555][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477)
[ 1957.620715][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 1957.620882][ C3] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709)
[ 1957.621045][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798)
[ 1957.621203][ C3] ? __pfx_vfs_write (fs/read_write.c:660)
[ 1957.621373][ C3] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52))
[ 1957.621544][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:333)
[ 1957.621759][ C3] ksys_write (fs/read_write.c:731)
[ 1957.621882][ C3] ? __pfx_ksys_write (fs/read_write.c:721)
[ 1957.622061][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[ 1957.622226][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1957.622430][ C3] RIP: 0033:0x7fdba8345957
[ 1957.622595][ 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
[ 1957.623157][ C3] RSP: 002b:00007ffdc17fb6c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1957.623394][ C3] RAX: ffffffffffffffda RBX: 0000562a84a2f2b0 RCX: 00007fdba8345957
[ 1957.623635][ C3] RDX: 0000000000000001 RSI: 0000562a84a2f2b0 RDI: 0000000000000001
[ 1957.623867][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1957.624108][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562a84a1a5e0
Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt