[ 500.354595][T12434] Mirror/redirect action on [ 521.045264][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 521.045679][ C0] CPU: 0 UID: 0 PID: 12162 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) [ 521.045682][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 521.045684][ C0] Call Trace: [ 521.045685][ C0] [ 521.045687][ C0] dump_stack_lvl+0x6f/0xa0 [ 521.045696][ C0] __report_bad_irq+0x66/0x161 [ 521.045701][ C0] note_interrupt.cold+0x21/0xe7 [ 521.045703][ C0] ? serial8250_get_port+0x50/0x50 [ 521.045707][ C0] ? poll_spurious_irqs+0x140/0x140 [ 521.045716][ C0] handle_irq_event+0x166/0x1c0 [ 521.045719][ C0] handle_edge_irq+0x2ec/0x880 [ 521.045724][ C0] __common_interrupt+0xae/0x270 [ 521.045728][ C0] ? __sysvec_apic_timer_interrupt+0x15f/0x3d0 [ 521.045732][ C0] common_interrupt+0xb0/0xf0 [ 521.045736][ C0] [ 521.045737][ C0] [ 521.045738][ C0] asm_common_interrupt+0x26/0x40 [ 521.045741][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80 [ 521.045745][ C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 51 87 df fd 48 89 df e8 b9 d8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f 01 00 00 00 e8 f0 2e d3 fd 65 8b 05 c9 01 06 02 85 c0 74 12 5b [ 521.045747][ C0] RSP: 0018:ffa000000646fa70 EFLAGS: 00000246 [ 521.045750][ C0] RAX: 0000000000000082 RBX: ffffffff88b8c520 RCX: ffffffff85aeae73 [ 521.045752][ C0] RDX: ff1100000d0f22c0 RSI: ffffffff863b3803 RDI: ffffffff85e6ad00 [ 521.045753][ C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001 [ 521.045754][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff88b8c628 [ 521.045755][ C0] R13: 0000000000000001 R14: ffffffff88b8c660 R15: ff110000094dd800 [ 521.045758][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 521.045762][ C0] uart_write+0x21d/0x940 [ 521.045767][ C0] process_output_block+0x117/0x6e0 [ 521.045773][ C0] n_tty_write+0x3a8/0x8f0 [ 521.045774][ C0] ? _copy_from_iter+0x1b6/0x1580 [ 521.045780][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 521.045782][ C0] ? _mutex_trylock_nest_lock+0x21a/0x340 [ 521.045784][ C0] ? __init_waitqueue_head+0x160/0x160 [ 521.045788][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 521.045791][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 521.045795][ C0] iterate_tty_write+0x27d/0x550 [ 521.045798][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 521.045801][ C0] file_tty_write.isra.0+0x1a2/0x240 [ 521.045804][ C0] ? redirected_tty_write+0xd0/0xd0 [ 521.045806][ C0] new_sync_write+0x308/0x6f0 [ 521.045809][ C0] ? new_sync_read+0x3bb/0x6f0 [ 521.045812][ C0] ? new_sync_read+0x6f0/0x6f0 [ 521.045814][ C0] ? generic_atomic_write_valid+0x150/0x150 [ 521.045817][ C0] ? __lock_release.isra.0+0x59/0x170 [ 521.045823][ C0] vfs_write+0x65e/0xbb0 [ 521.045826][ C0] ? vfs_read+0x3cc/0x790 [ 521.045829][ C0] ksys_write+0xff/0x200 [ 521.045832][ C0] ? __ia32_sys_read+0xc0/0xc0 [ 521.045834][ C0] ? do_syscall_64+0x88/0xfc0 [ 521.045836][ C0] ? rcu_is_watching+0x15/0xd0 [ 521.045840][ C0] do_syscall_64+0xbd/0xfc0 [ 521.045842][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 521.045844][ C0] RIP: 0033:0x7efd43ccac5e [ 521.045847][ C0] Code: 4d 89 d8 e8 14 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 13 ff ff ff 0f 1f 00 f3 0f 1e fa [ 521.045848][ C0] RSP: 002b:00007fff28d3d800 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 521.045850][ C0] RAX: ffffffffffffffda RBX: 0000560efa79e460 RCX: 00007efd43ccac5e [ 521.045851][ C0] RDX: 0000000000000001 RSI: 0000560efa79e460 RDI: 0000000000000001 [ 521.045851][ C0] RBP: 00007fff28d3d810 R08: 0000000000000000 R09: 0000000000000000 [ 521.045852][ C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 521.045853][ C0] R13: 0000560efa75f010 R14: 0000000000000001 R15: 0000560efa79e460 [ 521.045859][ C0] [ 521.045860][ C0] handlers: [ 521.054945][ C0] [] serial8250_interrupt [ 521.055479][ C0] Disabling IRQ #51