====================================== | # 107.74 [+0.00] [ 93.669783] GACT probability NOT on | # 107.74 [+0.00] [ 94.661468] tc (643) used greatest stack depth: 22824 bytes left | # 107.74 [+0.00] [ 131.825047] Mirror/redirect action on | # 107.74 [+0.00] [ 156.083058] irq 4: nobody cared (try booting with the "irqpoll" option) # 107.75 [+0.00] [ 156.083771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 # 107.75 [+0.00] [ 156.084132] Call Trace: # 107.75 [+0.00] [ 156.084262] <IRQ> # 107.75 [+0.00] [ 156.084360] dump_stack_lvl (lib/dump_stack.c:123) # 107.75 [+0.00] [ 156.084555] __report_bad_irq (kernel/irq/spurious.c:214) # 107.75 [+0.00] [ 156.084726] note_interrupt (kernel/irq/spurious.c:423) # 107.76 [+0.00] [ 156.084906] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) # 107.76 [+0.00] [ 156.085080] handle_edge_irq (kernel/irq/chip.c:833) # 107.76 [+0.00] [ 156.085266] __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) # 107.76 [+0.00] [ 156.085444] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) # 107.76 [+0.00] [ 156.085622] </IRQ> # 107.76 [+0.00] [ 156.085711] <TASK> # 107.76 [+0.00] [ 156.085802] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) # 107.76 [+0.00] [ 156.085973] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) # 107.77 [+0.00] [ 156.086206] Code: 10 e8 41 63 86 fd 48 89 ef e8 a9 d5 86 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 55 ac 79 51 <74> 0e 5b 5d c3 cc cc cc cc e8 0f bc ab fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: 41 63 86 fd 48 89 ef movsxd -0x1076b703(%r14),%eax 9: e8 a9 d5 86 fd call 0xfffffffffd86d5b7 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 55 ac 79 51 decl %gs:0x5179ac55(%rip) # 0x5179ac7f 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 0f bc ab fd call 0xfffffffffdabbc47 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 0f bc ab fd call 0xfffffffffdabbc1d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx # 107.77 [+0.01] [ 156.086795] RSP: 0018:ffffc90000a2faa0 EFLAGS: 00000286 # 107.77 [+0.00] [ 156.087014] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff63816bf # 107.78 [+0.00] [ 156.087274] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffae8a1a81 # 107.78 [+0.00] [ 156.087534] RBP: ffffffffb24cf4a0 R08: 0000000000000001 R09: fffffbfff637c7d0 # 107.78 [+0.00] [ 156.087790] R10: ffffffffb1be3e87 R11: ffff8880052f2300 R12: 00000000ffffffff # 107.78 [+0.00] [ 156.088048] R13: 0000000000000001 R14: ffffffffb24cf5a8 R15: 00000000ffffffff # 107.78 [+0.00] [ 156.088321] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) # 107.79 [+0.00] [ 156.088541] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) # 107.79 [+0.00] [ 156.088685] process_output_block (drivers/tty/n_tty.c:574) # 107.79 [+0.00] [ 156.088851] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) # 107.79 [+0.00] [ 156.089071] n_tty_write (drivers/tty/n_tty.c:2390) # 107.79 [+0.00] [ 156.089249] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) # 107.79 [+0.00] [ 156.089416] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) # 107.79 [+0.00] [ 156.089591] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) # 107.80 [+0.00] [ 156.089770] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) # 107.80 [+0.00] [ 156.089941] ? lock_acquire (kernel/locking/lockdep.c:5798) # 107.80 [+0.00] [ 156.090111] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) # 107.80 [+0.00] [ 156.090288] iterate_tty_write (drivers/tty/tty_io.c:1015) # 107.80 [+0.00] [ 156.090465] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) # 107.80 [+0.00] [ 156.090652] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) # 107.80 [+0.00] [ 156.090829] vfs_write (fs/read_write.c:590 fs/read_write.c:683) # 107.80 [+0.00] [ 156.090958] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) # 107.81 [+0.00] [ 156.091121] ? __pfx_vfs_write (fs/read_write.c:664) # 107.81 [+0.00] [ 156.091304] ? clockevents_program_event (kernel/time/clockevents.c:326) # 107.81 [+0.00] [ 156.091486] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) # 107.81 [+0.00] [ 156.091701] ksys_write (fs/read_write.c:736) # 107.81 [+0.00] [ 156.091831] ? __pfx_ksys_write (fs/read_write.c:726) # 107.81 [+0.00] [ 156.092004] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) # 107.81 [+0.00] [ 156.092176] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) # 107.82 [+0.00] [ 156.092390] RIP: 0033:0x7fb2a92ff957 # 107.82 [+0.00] [ 156.092563] 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 # 107.82 [+0.01] [ 156.093151] RSP: 002b:00007ffd4f506608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 # 107.83 [+0.00] [ 156.093403] RAX: ffffffffffffffda RBX: 0000560be0922330 RCX: 00007fb2a92ff957 # 107.83 [+0.00] [ 156.093659] RDX: 0000000000000001 RSI: 0000560be0922330 RDI: 0000000000000001 # 107.83 [+0.00] [ 156.093907] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 # 107.83 [+0.00] [ 156.094160] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560be090d5e0 # 107.83 [+0.00] [ 156.094408] R13: 0000560be08ee2a0 R14: 0000000000000001 R15: 0000560be090d5e0 | xx__-> echo $? | 0 | xx__-> [ 131.825047][ T936] Mirror/redirect action on | [ 156.083058][ C3] irq 4: nobody cared (try booting with the "irqpoll" option) [ 156.083771][ C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 156.084132][ C3] Call Trace: [ 156.084262][ C3] <IRQ> [ 156.084360][ C3] dump_stack_lvl (lib/dump_stack.c:123) [ 156.084555][ C3] __report_bad_irq (kernel/irq/spurious.c:214) [ 156.084726][ C3] note_interrupt (kernel/irq/spurious.c:423) [ 156.084906][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) [ 156.085080][ C3] handle_edge_irq (kernel/irq/chip.c:833) [ 156.085266][ 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) [ 156.085444][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) [ 156.085622][ C3] </IRQ> [ 156.085711][ C3] <TASK> [ 156.085802][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) [ 156.085973][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) [ 156.086206][ C3] Code: 10 e8 41 63 86 fd 48 89 ef e8 a9 d5 86 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 55 ac 79 51 <74> 0e 5b 5d c3 cc cc cc cc e8 0f bc ab fd eb dc 0f 1f 44 00 00 5b All code ======== 0: 10 e8 adc %ch,%al 2: 41 63 86 fd 48 89 ef movsxd -0x1076b703(%r14),%eax 9: e8 a9 d5 86 fd call 0xfffffffffd86d5b7 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 55 ac 79 51 decl %gs:0x5179ac55(%rip) # 0x5179ac7f 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 0f bc ab fd call 0xfffffffffdabbc47 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 0f bc ab fd call 0xfffffffffdabbc1d e: eb dc jmp 0xffffffffffffffec 10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 15: 5b pop %rbx [ 156.086795][ C3] RSP: 0018:ffffc90000a2faa0 EFLAGS: 00000286 [ 156.087014][ C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff63816bf [ 156.087274][ C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffae8a1a81 [ 156.087534][ C3] RBP: ffffffffb24cf4a0 R08: 0000000000000001 R09: fffffbfff637c7d0 [ 156.087790][ C3] R10: ffffffffb1be3e87 R11: ffff8880052f2300 R12: 00000000ffffffff [ 156.088048][ C3] R13: 0000000000000001 R14: ffffffffb24cf5a8 R15: 00000000ffffffff [ 156.088321][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) [ 156.088541][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) [ 156.088685][ C3] process_output_block (drivers/tty/n_tty.c:574) [ 156.088851][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 156.089071][ C3] n_tty_write (drivers/tty/n_tty.c:2390) [ 156.089249][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) [ 156.089416][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 156.089591][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) [ 156.089770][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) [ 156.089941][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) [ 156.090111][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) [ 156.090288][ C3] iterate_tty_write (drivers/tty/tty_io.c:1015) [ 156.090465][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) [ 156.090652][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) [ 156.090829][ C3] vfs_write (fs/read_write.c:590 fs/read_write.c:683) [ 156.090958][ C3] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) [ 156.091121][ C3] ? __pfx_vfs_write (fs/read_write.c:664) [ 156.091304][ C3] ? clockevents_program_event (kernel/time/clockevents.c:326) [ 156.091486][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) [ 156.091701][ C3] ksys_write (fs/read_write.c:736) [ 156.091831][ C3] ? __pfx_ksys_write (fs/read_write.c:726) [ 156.092004][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 156.092176][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 156.092390][ C3] RIP: 0033:0x7fb2a92ff957 [ 156.092563][ 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 [ 156.093151][ C3] RSP: 002b:00007ffd4f506608 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 156.093403][ C3] RAX: ffffffffffffffda RBX: 0000560be0922330 RCX: 00007fb2a92ff957 [ 156.093659][ C3] RDX: 0000000000000001 RSI: 0000560be0922330 RDI: 0000000000000001 [ 156.093907][ C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 156.094160][ C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560be090d5e0 Finger prints: __report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt