[ 637.174835] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 637.174953] CPU: 3 PID: 13928 Comm: perl Not tainted 6.10.0-rc7-virtme #1
[ 637.174993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 637.175060] Call Trace:
[ 637.175085]
[ 637.175109] dump_stack_lvl+0x55/0x70
[ 637.175145] __report_bad_irq+0x2b/0xc0
[ 637.175173] note_interrupt+0x2a7/0x2f0
[ 637.175197] handle_irq_event+0x72/0x80
[ 637.175224] handle_edge_irq+0x8b/0x230
[ 637.175250] __common_interrupt+0x3c/0xb0
[ 637.175276] common_interrupt+0x80/0x90
[ 637.175304]
[ 637.175320]
[ 637.175334] asm_common_interrupt+0x26/0x40
[ 637.175364] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[ 637.175397] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d cc e5 aa 71 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[ 637.175494] RSP: 0018:ffffacbac04cfd60 EFLAGS: 00000286
[ 637.175527] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[ 637.175573] RDX: ffffffff8e17265d RSI: 0000000000000286 RDI: ffffffff8fae9300
[ 637.175618] RBP: ffff9fc8c1d98000 R08: 000000946c45efd0 R09: 0000000000000001
[ 637.175688] R10: ffff9fc8c1e825f8 R11: 0000000000000000 R12: ffffffff8fae9300
[ 637.175732] R13: 0000000000000286 R14: ffff9fc8c1e82c00 R15: ffff9fc8c1e82400
[ 637.175779] ? rpm_suspend+0x1ad/0x5e0
[ 637.175809] uart_write+0x89/0x150
[ 637.175839] n_tty_write+0x1a6/0x520
[ 637.175866] ? __pfx_woken_wake_function+0x10/0x10
[ 637.175898] file_tty_write.constprop.0+0x14d/0x330
[ 637.175931] vfs_write+0x332/0x460
[ 637.175965] ksys_write+0x63/0xe0
[ 637.175988] do_syscall_64+0x9e/0x1a0
[ 637.176014] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 637.176048] RIP: 0033:0x7f05d21af957
[ 637.176072] 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
[ 637.176179] RSP: 002b:00007ffdfb8e1ee8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 637.176224] RAX: ffffffffffffffda RBX: 00005581468b0fd0 RCX: 00007f05d21af957
[ 637.176274] RDX: 0000000000000001 RSI: 00005581468b0fd0 RDI: 0000000000000001
[ 637.176320] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 637.176360] R10: 0000000000000001 R11: 0000000000000246 R12: 000055814689d560
[ 637.176406] R13: 000055814687e2a0 R14: 0000000000000001 R15: 000055814689d560
[ 637.176453]
[ 637.176471] handlers:
[ 637.176484] [<0000000001391600>] serial8250_interrupt
[ 637.176521] Disabling IRQ #4