[ 1814.600471][ C0] irq 51: nobody cared (try booting with the "irqpoll" option) [ 1814.601062][ C0] CPU: 0 UID: 0 PID: 9200 Comm: perl Not tainted 6.18.0-rc6-virtme #1 PREEMPT(full) [ 1814.601070][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1814.601072][ C0] Call Trace: [ 1814.601076][ C0] [ 1814.601078][ C0] dump_stack_lvl+0x82/0xc0 [ 1814.601110][ C0] __report_bad_irq+0x5f/0x1b0 [ 1814.601126][ C0] note_interrupt+0x661/0x7e0 [ 1814.601134][ C0] handle_irq_event+0x165/0x1c0 [ 1814.601141][ C0] handle_edge_irq+0x324/0x880 [ 1814.601151][ C0] __common_interrupt+0xa4/0x230 [ 1814.601168][ C0] common_interrupt+0xb9/0xe0 [ 1814.601175][ C0] [ 1814.601176][ C0] [ 1814.601180][ C0] asm_common_interrupt+0x26/0x40 [ 1814.601189][ C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x41/0x70 [ 1814.601204][ C0] Code: 74 24 10 e8 f1 58 ff fd 48 89 ef e8 19 a8 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 aa e0 f3 fd 65 8b 05 b3 db 07 02 85 c0 74 0a 5b 5d c3 e8 f7 6b [ 1814.601207][ C0] RSP: 0018:ffffc90000cc7a88 EFLAGS: 00000206 [ 1814.601214][ C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040 [ 1814.601216][ C0] RDX: 0000000000000000 RSI: ffffffff85786c35 RDI: 0000000000000001 [ 1814.601218][ C0] RBP: ffffffff8806e560 R08: 0000000000000001 R09: 0000000000000001 [ 1814.601220][ C0] R10: ffffffff86624057 R11: ffff888005800970 R12: 00000000ffffffff [ 1814.601222][ C0] R13: 0000000000000001 R14: ffffffff8806e668 R15: 00000000ffffffff [ 1814.601239][ C0] uart_write+0x220/0x920 [ 1814.601258][ C0] process_output_block+0x142/0x7b0 [ 1814.601268][ C0] ? _raw_spin_unlock_irqrestore+0x59/0x70 [ 1814.601275][ C0] n_tty_write+0x423/0x7c0 [ 1814.601278][ C0] ? _copy_from_iter+0x1d1/0x1340 [ 1814.601296][ C0] ? n_tty_receive_signal_char+0x110/0x110 [ 1814.601302][ C0] ? __init_waitqueue_head+0x150/0x150 [ 1814.601312][ C0] ? lock_acquire+0x104/0x160 [ 1814.601318][ C0] ? iterate_tty_write+0x91/0x530 [ 1814.601329][ C0] iterate_tty_write+0x220/0x530 [ 1814.601335][ C0] ? tty_ldisc_ref_wait+0x28/0x80 [ 1814.601343][ C0] file_tty_write.constprop.0+0x1cf/0x360 [ 1814.601350][ C0] vfs_write+0xaae/0x12c0 [ 1814.601362][ C0] ? sched_balance_domains+0x269/0xc80 [ 1814.601368][ C0] ? __lock_release+0x5d/0x170 [ 1814.601374][ C0] ? kernel_write+0x6b0/0x6b0 [ 1814.601380][ C0] ? sched_balance_domains+0x273/0xc80 [ 1814.601397][ C0] ksys_write+0xf7/0x1d0 [ 1814.601402][ C0] ? __ia32_sys_read+0xb0/0xb0 [ 1814.601406][ C0] ? handle_softirqs+0x352/0x610 [ 1814.601420][ C0] do_syscall_64+0xc1/0xfd0 [ 1814.601426][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1814.601429][ C0] RIP: 0033:0x7fd8e5f1f257 [ 1814.601433][ C0] Code: 0f 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 [ 1814.601435][ C0] RSP: 002b:00007ffc334e48a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1814.601438][ C0] RAX: ffffffffffffffda RBX: 00005582235da2e0 RCX: 00007fd8e5f1f257 [ 1814.601440][ C0] RDX: 0000000000000001 RSI: 00005582235da2e0 RDI: 0000000000000001 [ 1814.601442][ C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000 [ 1814.601443][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005582235c5600 [ 1814.601445][ C0] R13: 00005582235a62a0 R14: 0000000000000001 R15: 00005582235c5600 [ 1814.601461][ C0] [ 1814.601462][ C0] handlers: [ 1814.619536][ C0] [] serial8250_interrupt [ 1814.620114][ C0] Disabling IRQ #51