====================================== | # 110.60 [+0.00] [ 1252.640950] vx10: left promiscuous mode | # 110.60 [+0.00] [ 1252.641244] br1: port 1(vx10) entered disabled state | # 110.60 [+0.00] [ 1283.583274] Mirror/redirect action on | # 110.60 [+0.00] [ 1315.761747] irq 4: nobody cared (try booting with the "irqpoll" option) # 110.61 [+0.00] [ 1315.762370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 # 110.61 [+0.00] [ 1315.762717] Call Trace: # 110.61 [+0.00] [ 1315.762842] # 110.61 [+0.00] [ 1315.762930] dump_stack_lvl (lib/dump_stack.c:123) # 110.61 [+0.00] [ 1315.763106] __report_bad_irq (kernel/irq/spurious.c:214) # 110.61 [+0.00] [ 1315.763277] note_interrupt (kernel/irq/spurious.c:423) # 110.62 [+0.00] [ 1315.763439] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) # 110.62 [+0.00] [ 1315.763598] handle_edge_irq (kernel/irq/chip.c:833) # 110.62 [+0.00] [ 1315.763760] __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) # 110.62 [+0.00] [ 1315.763930] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) # 110.62 [+0.00] [ 1315.764103] # 110.63 [+0.00] [ 1315.764191] # 110.63 [+0.00] [ 1315.764277] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) # 110.63 [+0.00] [ 1315.764436] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # 110.63 [+0.00] [ 1315.764655] Code: 10 e8 d1 d9 87 fd 48 89 ef e8 e9 4a 88 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 25 46 5b 78 <74> 0e 5b 5d c3 cc cc cc cc e8 1f 1b ad fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: d1 d9 rcr %ecx 4: 87 fd xchg %edi,%ebp 6: 48 89 ef mov %rbp,%rdi 9: e8 e9 4a 88 fd call 0xfffffffffd884af7 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 25 46 5b 78 decl %gs:0x785b4625(%rip) # 0x785b464f 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 1f 1b ad fd call 0xfffffffffdad1b57 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 1f 1b ad fd call 0xfffffffffdad1b2d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx # 110.64 [+0.01] [ 1315.765226] RSP: 0018:ffffc90008fdfaa0 EFLAGS: 00000286 # 110.64 [+0.00] [ 1315.765436] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff15be6f1 # 110.64 [+0.00] [ 1315.765683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87a882f1 # 110.65 [+0.00] [ 1315.765935] RBP: ffffffff8b6b7420 R08: 0000000000000001 R09: fffffbfff15b97d0 # 110.65 [+0.00] [ 1315.766180] R10: ffffffff8adcbe87 R11: 0000000000000000 R12: 00000000ffffffff # 110.65 [+0.00] [ 1315.766427] R13: 0000000000000001 R14: ffffffff8b6b7528 R15: 00000000ffffffff # 110.65 [+0.00] [ 1315.766692] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) # 110.65 [+0.00] [ 1315.766909] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) # 110.65 [+0.00] [ 1315.767041] process_output_block (drivers/tty/n_tty.c:574) # 110.66 [+0.00] [ 1315.767204] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) # 110.66 [+0.00] [ 1315.767402] n_tty_write (drivers/tty/n_tty.c:2390) # 110.66 [+0.00] [ 1315.767570] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) # 110.66 [+0.00] [ 1315.767724] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) # 110.66 [+0.00] [ 1315.767886] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) # 110.66 [+0.00] [ 1315.768048] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) # 110.66 [+0.00] [ 1315.768216] ? lock_acquire (kernel/locking/lockdep.c:5798) # 110.67 [+0.00] [ 1315.768374] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) # 110.67 [+0.00] [ 1315.768540] iterate_tty_write (drivers/tty/tty_io.c:1015) # 110.67 [+0.00] [ 1315.768701] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) # 110.67 [+0.00] [ 1315.768872] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) # 110.67 [+0.00] [ 1315.769039] vfs_write (fs/read_write.c:590 fs/read_write.c:683) # 110.67 [+0.00] [ 1315.769166] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) # 110.67 [+0.00] [ 1315.769328] ? __pfx_vfs_write (fs/read_write.c:664) # 110.68 [+0.00] [ 1315.769497] ? clockevents_program_event (kernel/time/clockevents.c:326) # 110.68 [+0.00] [ 1315.769671] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) # 110.68 [+0.00] [ 1315.769878] ksys_write (fs/read_write.c:736) # 110.68 [+0.00] [ 1315.770008] ? __pfx_ksys_write (fs/read_write.c:726) # 110.68 [+0.00] [ 1315.770175] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) # 110.68 [+0.00] [ 1315.770342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # 110.68 [+0.00] [ 1315.770624] RIP: 0033:0x7f5e5c64e957 # 110.69 [+0.00] [ 1315.770786] 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 # 110.69 [+0.01] [ 1315.771347] RSP: 002b:00007ffd1c27b548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # 110.69 [+0.00] [ 1315.771586] RAX: ffffffffffffffda RBX: 00005556553522b0 RCX: 00007f5e5c64e957 # 110.70 [+0.00] [ 1315.771823] RDX: 0000000000000001 RSI: 00005556553522b0 RDI: 0000000000000001 # 110.70 [+0.00] [ 1315.772060] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 # 110.70 [+0.00] [ 1315.772294] R10: 0000000000000001 R11: 0000000000000246 R12: 000055565533d5e0 # 110.70 [+0.00] [ 1315.772529] R13: 000055565531e2a0 R14: 0000000000000001 R15: 000055565533d5e0 | xx__-> echo $? | 0 | xx__-> [ 1283.583274][ T8401] Mirror/redirect action on | [ 1315.761747][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1315.762370][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1315.762717][ C3] Call Trace: [ 1315.762842][ C3] [ 1315.762930][ C3] dump_stack_lvl (lib/dump_stack.c:123) [ 1315.763106][ C3] __report_bad_irq (kernel/irq/spurious.c:214) [ 1315.763277][ C3] note_interrupt (kernel/irq/spurious.c:423) [ 1315.763439][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) [ 1315.763598][ C3] handle_edge_irq (kernel/irq/chip.c:833) [ 1315.763760][ 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) [ 1315.763930][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) [ 1315.764103][ C3] [ 1315.764191][ C3] [ 1315.764277][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) [ 1315.764436][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1315.764655][ C3] Code: 10 e8 d1 d9 87 fd 48 89 ef e8 e9 4a 88 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 25 46 5b 78 <74> 0e 5b 5d c3 cc cc cc cc e8 1f 1b ad fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: d1 d9 rcr %ecx 4: 87 fd xchg %edi,%ebp 6: 48 89 ef mov %rbp,%rdi 9: e8 e9 4a 88 fd call 0xfffffffffd884af7 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 25 46 5b 78 decl %gs:0x785b4625(%rip) # 0x785b464f 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 1f 1b ad fd call 0xfffffffffdad1b57 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 1f 1b ad fd call 0xfffffffffdad1b2d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx [ 1315.765226][ C3] RSP: 0018:ffffc90008fdfaa0 EFLAGS: 00000286 [ 1315.765436][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff15be6f1 [ 1315.765683][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff87a882f1 [ 1315.765935][ C3] RBP: ffffffff8b6b7420 R08: 0000000000000001 R09: fffffbfff15b97d0 [ 1315.766180][ C3] R10: ffffffff8adcbe87 R11: 0000000000000000 R12: 00000000ffffffff [ 1315.766427][ C3] R13: 0000000000000001 R14: ffffffff8b6b7528 R15: 00000000ffffffff [ 1315.766692][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1315.766909][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) [ 1315.767041][ C3] process_output_block (drivers/tty/n_tty.c:574) [ 1315.767204][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 1315.767402][ C3] n_tty_write (drivers/tty/n_tty.c:2390) [ 1315.767570][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) [ 1315.767724][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 1315.767886][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) [ 1315.768048][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) [ 1315.768216][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 1315.768374][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) [ 1315.768540][ C3] iterate_tty_write (drivers/tty/tty_io.c:1015) [ 1315.768701][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) [ 1315.768872][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) [ 1315.769039][ C3] vfs_write (fs/read_write.c:590 fs/read_write.c:683) [ 1315.769166][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 1315.769328][ C3] ? __pfx_vfs_write (fs/read_write.c:664) [ 1315.769497][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 1315.769671][ C3] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) [ 1315.769878][ C3] ksys_write (fs/read_write.c:736) [ 1315.770008][ C3] ? __pfx_ksys_write (fs/read_write.c:726) [ 1315.770175][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 1315.770342][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1315.770624][ C3] RIP: 0033:0x7f5e5c64e957 [ 1315.770786][ 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 [ 1315.771347][ C3] RSP: 002b:00007ffd1c27b548 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1315.771586][ C3] RAX: ffffffffffffffda RBX: 00005556553522b0 RCX: 00007f5e5c64e957 [ 1315.771823][ C3] RDX: 0000000000000001 RSI: 00005556553522b0 RDI: 0000000000000001 [ 1315.772060][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1315.772294][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055565533d5e0 Finger prints: __report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt