[ 322.417799] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 322.417925] CPU: 3 PID: 2112 Comm: perl Not tainted 6.9.0-rc4-virtme #1
[ 322.417973] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 322.418071] Call Trace:
[ 322.418095]
[ 322.418119] dump_stack_lvl+0x55/0x70
[ 322.418166] __report_bad_irq+0x2b/0xc0
[ 322.418201] note_interrupt+0x2a7/0x2f0
[ 322.418233] handle_irq_event+0x72/0x80
[ 322.418267] handle_edge_irq+0x8b/0x230
[ 322.418301] __common_interrupt+0x3e/0xb0
[ 322.418339] common_interrupt+0x81/0xa0
[ 322.418376]
[ 322.418398]
[ 322.418415] asm_common_interrupt+0x26/0x40
[ 322.418450] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[ 322.418495] 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 dc 14 6e 44 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[ 322.418628] RSP: 0018:ffffac1e80853d38 EFLAGS: 00000286
[ 322.418673] RAX: 0000000000000000 RBX: ffffffffbccce240 RCX: 0000000000000017
[ 322.418734] RDX: ffffffffbb54a05e RSI: 0000000000000282 RDI: ffffffffbccce240
[ 322.418795] RBP: 0000000000000001 R08: 0000004b23dc881b R09: 0000000000000001
[ 322.418848] R10: ffff8b5b01ce9df8 R11: 0000000000000000 R12: 0000000000000001
[ 322.418907] R13: 0000000000000000 R14: ffff8b5b01ceac01 R15: ffff8b5b02060000
[ 322.418961] ? rpm_suspend+0x1ae/0x5e0
[ 322.419002] uart_write+0x103/0x1d0
[ 322.419037] n_tty_write+0x1a4/0x520
[ 322.419069] ? __pfx_woken_wake_function+0x10/0x10
[ 322.419110] file_tty_write.constprop.0+0x15b/0x340
[ 322.419153] vfs_write+0x336/0x460
[ 322.419186] ksys_write+0x63/0xe0
[ 322.419219] do_syscall_64+0xa8/0x1b0
[ 322.419252] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 322.419295] RIP: 0033:0x7f3a369c4957
[ 322.419326] 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
[ 322.419459] RSP: 002b:00007fff981562e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 322.419517] RAX: ffffffffffffffda RBX: 00005625095a6050 RCX: 00007f3a369c4957
[ 322.419568] RDX: 0000000000000001 RSI: 00005625095a6050 RDI: 0000000000000001
[ 322.419619] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 322.419670] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562509592560
[ 322.419722] R13: 00005625095732a0 R14: 0000000000000001 R15: 0000562509592560
[ 322.419785]
[ 322.419803] handlers:
[ 322.419820] [<0000000032a2fa88>] serial8250_interrupt
[ 322.419867] Disabling IRQ #4
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr