[ 417.268352] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 417.268475] CPU: 3 UID: 0 PID: 4466 Comm: perl Not tainted 6.12.0-rc3-virtme #1
[ 417.268540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 417.268625] Call Trace:
[ 417.268654]
[ 417.268683] dump_stack_lvl+0x55/0x70
[ 417.268725] __report_bad_irq+0x2b/0xc0
[ 417.268760] note_interrupt+0x2a7/0x2f0
[ 417.268792] handle_irq_event+0x72/0x80
[ 417.268824] handle_edge_irq+0x8b/0x230
[ 417.268857] __common_interrupt+0x3c/0xb0
[ 417.268889] common_interrupt+0x80/0x90
[ 417.268924]
[ 417.268946]
[ 417.268963] asm_common_interrupt+0x26/0x40
[ 417.269001] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[ 417.269045] 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 0c 5b e8 70 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[ 417.269181] RSP: 0018:ffffa037015d3d60 EFLAGS: 00000286
[ 417.269223] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[ 417.269281] RDX: ffffffff8ed9b26d RSI: 0000000000000282 RDI: ffffffff9070c120
[ 417.269335] RBP: ffff9092c1e3c000 R08: 000000613aee2ce8 R09: 0000000000000001
[ 417.269391] R10: ffff9092c12939f8 R11: 0000000000000000 R12: 0000000000000001
[ 417.269444] R13: ffffffff9070c120 R14: 0000000000000282 R15: ffff9092c1293800
[ 417.269498] ? rpm_suspend+0x1ad/0x5e0
[ 417.269534] uart_write+0xb2/0x270
[ 417.269571] n_tty_write+0x1a3/0x520
[ 417.269601] ? __pfx_woken_wake_function+0x10/0x10
[ 417.269643] file_tty_write.constprop.0+0x147/0x330
[ 417.269686] vfs_write+0x335/0x470
[ 417.269722] ksys_write+0x63/0xe0
[ 417.269753] do_syscall_64+0x9e/0x1a0
[ 417.269787] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 417.269832] RIP: 0033:0x7f12f5e65957
[ 417.269865] 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
[ 417.269996] RSP: 002b:00007ffd99bc1ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 417.270055] RAX: ffffffffffffffda RBX: 000055b54b9910b0 RCX: 00007f12f5e65957
[ 417.270105] RDX: 0000000000000001 RSI: 000055b54b9910b0 RDI: 0000000000000001
[ 417.270179] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 417.270229] R10: 0000000000000001 R11: 0000000000000246 R12: 000055b54b97d580
[ 417.270283] R13: 000055b54b95e2a0 R14: 0000000000000001 R15: 000055b54b97d580
[ 417.270337]
[ 417.270354] handlers:
[ 417.270370] [<0000000027c4b48e>] serial8250_interrupt
[ 417.270412] Disabling IRQ #4