====================================== | [ 1742.168406][T12223] link1: left promiscuous mode | [ 1743.150832][T12259] link1: entered promiscuous mode | [ 1748.529691][T12259] link1: left promiscuous mode | [ 1769.530823][ C0] irq 52: nobody cared (try booting with the "irqpoll" option) [ 1769.531080][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1769.531081][ C0] Call Trace: [ 1769.531083][ C0] [ 1769.531084][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 1769.531093][ C0] __report_bad_irq (kernel/irq/spurious.c:161) [ 1769.531098][ C0] note_interrupt.cold (kernel/irq/spurious.c:368) [ 1769.531100][ C0] ? serial_base_port_exit (??:?) [ 1769.531105][ C0] ? poll_spurious_irqs (kernel/irq/spurious.c:132) [ 1769.531111][ C0] handle_irq_event (kernel/irq/handle.c:251 kernel/irq/handle.c:263) [ 1769.531114][ C0] handle_edge_irq (kernel/irq/chip.c:859) [ 1769.531118][ C0] __common_interrupt (./include/linux/irqdesc.h:188 arch/x86/kernel/irq.c:209 arch/x86/kernel/irq.c:265 arch/x86/kernel/irq.c:280) [ 1769.531121][ C0] ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 arch/x86/kernel/apic/apic.c:1071) [ 1769.531124][ C0] common_interrupt (arch/x86/kernel/irq.c:273 (discriminator 39)) [ 1769.531128][ C0] [ 1769.531129][ C0] [ 1769.531129][ C0] ? rpm_resume (drivers/base/power/runtime.c:890) [ 1769.531133][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:665) [ 1769.531135][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 12) kernel/locking/spinlock.c:198 (discriminator 12)) [ 1769.531139][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 81 3a 7f fd 48 89 df e8 79 90 7f fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 90 70 71 fd 65 8b 05 89 0b 6b 02 85 c0 74 12 5b All code ======== 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 81 3a 7f fd call 0xfffffffffd7f3a94 13: 48 89 df mov %rbx,%rdi 16: e8 79 90 7f fd call 0xfffffffffd7f9094 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 1f jne 0x42 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 2f jne 0x59 2a:* bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 90 70 71 fd call 0xfffffffffd7170c4 34: 65 8b 05 89 0b 6b 02 mov %gs:0x26b0b89(%rip),%eax # 0x26b0bc4 3b: 85 c0 test %eax,%eax 3d: 74 12 je 0x51 3f: 5b pop %rbx Code starting with the faulting instruction =========================================== 0: bf 01 00 00 00 mov $0x1,%edi 5: e8 90 70 71 fd call 0xfffffffffd71709a a: 65 8b 05 89 0b 6b 02 mov %gs:0x26b0b89(%rip),%eax # 0x26b0b9a 11: 85 c0 test %eax,%eax 13: 74 12 je 0x27 15: 5b pop %rbx [ 1769.531141][ C0] RSP: 0018:ffa000000459fa78 EFLAGS: 00000246 [ 1769.531144][ C0] RAX: 0000000000000092 RBX: ffffffff89ac4a40 RCX: ffffffff857684b3 [ 1769.531145][ C0] RDX: ff11000018c62380 RSI: ffffffff860e45bf RDI: ffffffff85a819e0 [ 1769.531146][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000000 [ 1769.531147][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89ac4b48 [ 1769.531147][ C0] R13: 0000000000000001 R14: ffffffff89ac4b80 R15: ff1100000a8fcc00 [ 1769.531151][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:178 (discriminator 6) kernel/locking/spinlock.c:198 (discriminator 6)) [ 1769.531156][ C0] uart_write (./include/linux/spinlock.h:408 (discriminator 3) ./include/linux/serial_core.h:790 (discriminator 3) drivers/tty/serial/serial_core.c:91 (discriminator 3) drivers/tty/serial/serial_core.c:88 (discriminator 3) drivers/tty/serial/serial_core.c:630 (discriminator 3)) [ 1769.531160][ C0] process_output_block (drivers/tty/n_tty.c:557) [ 1769.531165][ C0] n_tty_write (drivers/tty/n_tty.c:2366) [ 1769.531169][ C0] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:1188) [ 1769.531171][ C0] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1230 (discriminator 1)) [ 1769.531173][ C0] ? __init_waitqueue_head (./include/linux/list.h:45 (discriminator 2)) [ 1769.531177][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 1769.531179][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243) [ 1769.531183][ C0] iterate_tty_write (drivers/tty/tty_io.c:1006) [ 1769.531186][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:243) [ 1769.531189][ C0] file_tty_write.isra.0 (drivers/tty/tty_io.c:1081) [ 1769.531191][ C0] ? redirected_tty_write (./include/linux/file_ref.h:121 (discriminator 8)) [ 1769.531197][ C0] new_sync_write (fs/read_write.c:595) [ 1769.531202][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 1769.531203][ C0] ? new_sync_read (./include/linux/ioprio.h:41) [ 1769.531205][ C0] ? fsnotify (fs/notify/fsnotify.c:548 (discriminator 3)) [ 1769.531213][ C0] vfs_write (fs/read_write.c:687) [ 1769.531217][ C0] ksys_write (fs/read_write.c:739) [ 1769.531219][ C0] ? __ia32_sys_read (fs/read_write.c:723) [ 1769.531220][ C0] ? __mutex_unlock_slowpath (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:4480 kernel/locking/mutex.c:1021) [ 1769.531222][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 1769.531227][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) [ 1769.531229][ C0] ? irq_exit_rcu (kernel/softirq.c:754) [ 1769.531233][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 1769.531234][ C0] RIP: 0033:0x7fbb45d7654e [ 1769.531238][ C0] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 1769.531239][ C0] RSP: 002b:00007ffe5d6f3610 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 1769.531240][ C0] RAX: ffffffffffffffda RBX: 000056313768f1e0 RCX: 00007fbb45d7654e [ 1769.531241][ C0] RDX: 0000000000000001 RSI: 000056313768f1e0 RDI: 0000000000000001 [ 1769.531242][ C0] RBP: 00007ffe5d6f3620 R08: 0000000000000000 R09: 0000000000000000 [ 1769.531243][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 Finger prints: __report_bad_irq:handle_irq_event:handle_edge_irq:__common_interrupt:common_interrupt