====================================== | # 111.64 [+0.00] [ 1161.290832] br1: port 1(vx10) entered disabled state | # 111.64 [+0.00] [ 1162.851431] ip (8189) used greatest stack depth: 23504 bytes left | # 111.65 [+0.00] [ 1190.842222] Mirror/redirect action on | # 111.65 [+0.00] [ 1249.396923] irq 4: nobody cared (try booting with the "irqpoll" option) # 111.65 [+0.00] [ 1249.397533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 # 111.66 [+0.00] [ 1249.397882] Call Trace: # 111.66 [+0.00] [ 1249.398004] # 111.66 [+0.00] [ 1249.398086] dump_stack_lvl (lib/dump_stack.c:122) # 111.66 [+0.00] [ 1249.398260] __report_bad_irq (kernel/irq/spurious.c:214) # 111.66 [+0.00] [ 1249.398424] note_interrupt (kernel/irq/spurious.c:423) # 111.66 [+0.00] [ 1249.398588] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) # 111.66 [+0.00] [ 1249.398748] handle_edge_irq (kernel/irq/chip.c:833) # 111.66 [+0.00] [ 1249.398913] __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) # 111.66 [+0.00] [ 1249.399071] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) # 111.67 [+0.00] [ 1249.399230] # 111.67 [+0.00] [ 1249.399315] # 111.67 [+0.00] [ 1249.399394] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) # 111.67 [+0.00] [ 1249.399549] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # 111.67 [+0.00] [ 1249.399755] Code: 10 e8 01 1b 8d fd 48 89 ef e8 a9 8b 8d 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 35 47 a1 60 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 44 b1 fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: 01 1b add %ebx,(%rbx) 4: 8d (bad) 5: fd std 6: 48 89 ef mov %rbp,%rdi 9: e8 a9 8b 8d fd call 0xfffffffffd8d8bb7 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 35 47 a1 60 decl %gs:0x60a14735(%rip) # 0x60a1475f 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 44 b1 fd call 0xfffffffffdb144b7 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 44 b1 fd call 0xfffffffffdb1448d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx # 111.68 [+0.01] [ 1249.400307] RSP: 0018:ffffc900087dfab8 EFLAGS: 00000286 # 111.68 [+0.00] [ 1249.400508] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4537e39 # 111.68 [+0.00] [ 1249.400742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9f627f61 # 111.68 [+0.00] [ 1249.400985] RBP: ffffffffa32802a0 R08: 0000000000000001 R09: fffffbfff4532f18 # 111.68 [+0.00] [ 1249.401216] R10: ffffffffa29978c7 R11: 0000000000000000 R12: ffffffffa32803a8 # 111.69 [+0.00] [ 1249.401451] R13: ffff888008119c00 R14: ffffffffa32802a0 R15: 0000000000000286 # 111.69 [+0.00] [ 1249.401703] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) # 111.69 [+0.00] [ 1249.401908] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:634) # 111.69 [+0.00] [ 1249.402038] process_output_block (drivers/tty/n_tty.c:574) # 111.69 [+0.00] [ 1249.402195] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) # 111.69 [+0.00] [ 1249.402395] n_tty_write (drivers/tty/n_tty.c:2390) # 111.69 [+0.00] [ 1249.402562] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) # 111.70 [+0.00] [ 1249.402720] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) # 111.70 [+0.00] [ 1249.402877] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) # 111.70 [+0.00] [ 1249.403042] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) # 111.70 [+0.00] [ 1249.403201] ? lock_acquire (kernel/locking/lockdep.c:5732) # 111.70 [+0.00] [ 1249.403360] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) # 111.70 [+0.00] [ 1249.403524] iterate_tty_write (drivers/tty/tty_io.c:1021) # 111.70 [+0.00] [ 1249.403689] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) # 111.70 [+0.00] [ 1249.403851] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096) # 111.71 [+0.00] [ 1249.404013] vfs_write (fs/read_write.c:497 fs/read_write.c:590) # 111.71 [+0.00] [ 1249.404133] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) # 111.71 [+0.00] [ 1249.404289] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) # 111.71 [+0.00] [ 1249.404443] ? __might_fault (mm/memory.c:6404 mm/memory.c:6397) # 111.71 [+0.00] [ 1249.404605] ? lock_acquire (kernel/locking/lockdep.c:5732) # 111.71 [+0.00] [ 1249.404767] ? __pfx_vfs_write (fs/read_write.c:571) # 111.71 [+0.00] [ 1249.404931] ? __might_fault (mm/memory.c:6404 mm/memory.c:6397) # 111.72 [+0.00] [ 1249.405091] ? __rseq_handle_notify_resume (kernel/rseq.c:316) # 111.72 [+0.00] [ 1249.405287] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1141) # 111.72 [+0.00] [ 1249.405451] ksys_write (fs/read_write.c:643) # 111.72 [+0.00] [ 1249.405567] ? __pfx_ksys_write (fs/read_write.c:633) # 111.72 [+0.00] [ 1249.405735] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) # 111.72 [+0.00] [ 1249.405892] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # 111.72 [+0.00] [ 1249.406091] RIP: 0033:0x7fc7e31d6957 # 111.72 [+0.00] [ 1249.406252] 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 # 111.73 [+0.01] [ 1249.406849] RSP: 002b:00007ffd9cf11968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # 111.73 [+0.00] [ 1249.407081] RAX: ffffffffffffffda RBX: 000055818e8ba2b0 RCX: 00007fc7e31d6957 # 111.73 [+0.00] [ 1249.407306] RDX: 0000000000000001 RSI: 000055818e8ba2b0 RDI: 0000000000000001 # 111.74 [+0.00] [ 1249.407543] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 # 111.74 [+0.00] [ 1249.407773] R10: 0000000000000001 R11: 0000000000000246 R12: 000055818e8a55e0 # 111.74 [+0.00] [ 1249.408005] R13: 000055818e8862a0 R14: 0000000000000001 R15: 000055818e8a55e0 | xx__-> echo $? | 0 | xx__-> [ 1190.842222][ T8407] Mirror/redirect action on | [ 1249.396923][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 1249.397533][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1249.397882][ C3] Call Trace: [ 1249.398004][ C3] [ 1249.398086][ C3] dump_stack_lvl (lib/dump_stack.c:122) [ 1249.398260][ C3] __report_bad_irq (kernel/irq/spurious.c:214) [ 1249.398424][ C3] note_interrupt (kernel/irq/spurious.c:423) [ 1249.398588][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) [ 1249.398748][ C3] handle_edge_irq (kernel/irq/chip.c:833) [ 1249.398913][ 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) [ 1249.399071][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) [ 1249.399230][ C3] [ 1249.399315][ C3] [ 1249.399394][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) [ 1249.399549][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 1249.399755][ C3] Code: 10 e8 01 1b 8d fd 48 89 ef e8 a9 8b 8d 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 35 47 a1 60 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 44 b1 fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: 01 1b add %ebx,(%rbx) 4: 8d (bad) 5: fd std 6: 48 89 ef mov %rbp,%rdi 9: e8 a9 8b 8d fd call 0xfffffffffd8d8bb7 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 35 47 a1 60 decl %gs:0x60a14735(%rip) # 0x60a1475f 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 44 b1 fd call 0xfffffffffdb144b7 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 44 b1 fd call 0xfffffffffdb1448d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx [ 1249.400307][ C3] RSP: 0018:ffffc900087dfab8 EFLAGS: 00000286 [ 1249.400508][ C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff4537e39 [ 1249.400742][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff9f627f61 [ 1249.400985][ C3] RBP: ffffffffa32802a0 R08: 0000000000000001 R09: fffffbfff4532f18 [ 1249.401216][ C3] R10: ffffffffa29978c7 R11: 0000000000000000 R12: ffffffffa32803a8 [ 1249.401451][ C3] R13: ffff888008119c00 R14: ffffffffa32802a0 R15: 0000000000000286 [ 1249.401703][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 1249.401908][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:634) [ 1249.402038][ C3] process_output_block (drivers/tty/n_tty.c:574) [ 1249.402195][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 1249.402395][ C3] n_tty_write (drivers/tty/n_tty.c:2390) [ 1249.402562][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) [ 1249.402720][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 1249.402877][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) [ 1249.403042][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) [ 1249.403201][ C3] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 1249.403360][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) [ 1249.403524][ C3] iterate_tty_write (drivers/tty/tty_io.c:1021) [ 1249.403689][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) [ 1249.403851][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096) [ 1249.404013][ C3] vfs_write (fs/read_write.c:497 fs/read_write.c:590) [ 1249.404133][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5411) [ 1249.404289][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 1249.404443][ C3] ? __might_fault (mm/memory.c:6404 mm/memory.c:6397) [ 1249.404605][ C3] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 1249.404767][ C3] ? __pfx_vfs_write (fs/read_write.c:571) [ 1249.404931][ C3] ? __might_fault (mm/memory.c:6404 mm/memory.c:6397) [ 1249.405091][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:316) [ 1249.405287][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1141) [ 1249.405451][ C3] ksys_write (fs/read_write.c:643) [ 1249.405567][ C3] ? __pfx_ksys_write (fs/read_write.c:633) [ 1249.405735][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 1249.405892][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 1249.406091][ C3] RIP: 0033:0x7fc7e31d6957 [ 1249.406252][ 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 [ 1249.406849][ C3] RSP: 002b:00007ffd9cf11968 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1249.407081][ C3] RAX: ffffffffffffffda RBX: 000055818e8ba2b0 RCX: 00007fc7e31d6957 [ 1249.407306][ C3] RDX: 0000000000000001 RSI: 000055818e8ba2b0 RDI: 0000000000000001 [ 1249.407543][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1249.407773][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055818e8a55e0 Finger prints: __report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt