[  415.262363] irq 4: nobody cared (try booting with the "irqpoll" option)
[  415.262471] CPU: 3 UID: 0 PID: 4465 Comm: perl Not tainted 6.12.0-rc4-virtme #1
[  415.262530] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  415.262605] Call Trace:
[  415.262635]  <IRQ>
[  415.262659]  dump_stack_lvl+0x55/0x70
[  415.262701]  __report_bad_irq+0x2b/0xc0
[  415.262739]  note_interrupt+0x2a7/0x2f0
[  415.262771]  handle_irq_event+0x72/0x80
[  415.262801]  handle_edge_irq+0x8b/0x230
[  415.262831]  __common_interrupt+0x3c/0xb0
[  415.262861]  common_interrupt+0x80/0x90
[  415.262894]  </IRQ>
[  415.262917]  <TASK>
[  415.262939]  asm_common_interrupt+0x26/0x40
[  415.262974] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  415.263015] 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 7c 5a c8 78 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  415.263129] RSP: 0018:ffffa034c163bd60 EFLAGS: 00000286
[  415.263170] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  415.263223] RDX: ffffffff86f9ba3d RSI: 0000000000000282 RDI: ffffffff8890c120
[  415.263276] RBP: ffff8bba81f90000 R08: 00000060c42a5b95 R09: 0000000000000001
[  415.263329] R10: ffff8bba81fe8df8 R11: 0000000000000000 R12: 0000000000000001
[  415.263382] R13: ffffffff8890c120 R14: 0000000000000282 R15: ffff8bba81fe8c00
[  415.263435]  ? rpm_suspend+0x1ad/0x5e0
[  415.263473]  uart_write+0xb2/0x270
[  415.263508]  n_tty_write+0x1a3/0x520
[  415.263540]  ? __pfx_woken_wake_function+0x10/0x10
[  415.263578]  file_tty_write.constprop.0+0x147/0x330
[  415.263616]  vfs_write+0x335/0x470
[  415.263653]  ksys_write+0x63/0xe0
[  415.263683]  do_syscall_64+0x9e/0x1a0
[  415.263715]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  415.263758] RIP: 0033:0x7f9bc3e6e957
[  415.263786] 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
[  415.263899] RSP: 002b:00007ffe42a776e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  415.263951] RAX: ffffffffffffffda RBX: 0000557d3ae981f0 RCX: 00007f9bc3e6e957
[  415.264004] RDX: 0000000000000001 RSI: 0000557d3ae981f0 RDI: 0000000000000001
[  415.264057] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  415.264109] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557d3ae84580
[  415.264161] R13: 0000557d3ae652a0 R14: 0000000000000001 R15: 0000557d3ae84580
[  415.264215]  </TASK>
[  415.264236] handlers:
[  415.264258] [<000000006e784614>] serial8250_interrupt
[  415.264303] Disabling IRQ #4