[  681.538709] irq 4: nobody cared (try booting with the "irqpoll" option)
[  681.538830] CPU: 3 UID: 0 PID: 22080 Comm: perl Not tainted 6.11.0-rc5-virtme #1
[  681.538884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  681.538958] Call Trace:
[  681.538985]  <IRQ>
[  681.539011]  dump_stack_lvl+0x55/0x70
[  681.539049]  __report_bad_irq+0x2b/0xc0
[  681.539083]  note_interrupt+0x2a7/0x2f0
[  681.539110]  handle_irq_event+0x72/0x80
[  681.539139]  handle_edge_irq+0x8b/0x230
[  681.539170]  __common_interrupt+0x3c/0xb0
[  681.539202]  common_interrupt+0x80/0x90
[  681.539234]  </IRQ>
[  681.539258]  <TASK>
[  681.539278]  asm_common_interrupt+0x26/0x40
[  681.539311] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  681.539354] 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 bc 88 c9 76 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  681.539468] RSP: 0018:ffffc1d54275bd60 EFLAGS: 00000286
[  681.539510] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  681.539563] RDX: ffffffff88f8705d RSI: 0000000000000286 RDI: ffffffff8a8f9360
[  681.539623] RBP: ffff9ec041ec0000 R08: 0000009ec218ca69 R09: 0000000000000001
[  681.539681] R10: ffff9ec041ee75f8 R11: 0000000000000000 R12: ffffffff8a8f9360
[  681.539733] R13: 0000000000000286 R14: ffff9ec041ee6400 R15: ffff9ec041ee7400
[  681.539785]  ? rpm_suspend+0x1ad/0x5e0
[  681.539821]  uart_write+0x89/0x150
[  681.539856]  n_tty_write+0x1a6/0x520
[  681.539890]  ? __pfx_woken_wake_function+0x10/0x10
[  681.539929]  file_tty_write.constprop.0+0x14d/0x330
[  681.539966]  vfs_write+0x332/0x460
[  681.540002]  ksys_write+0x63/0xe0
[  681.540033]  do_syscall_64+0x9e/0x1a0
[  681.540064]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  681.540101] RIP: 0033:0x7f2f4dd5d957
[  681.540131] 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
[  681.540244] RSP: 002b:00007fffaad915e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  681.540295] RAX: ffffffffffffffda RBX: 00005585013000b0 RCX: 00007f2f4dd5d957
[  681.540347] RDX: 0000000000000001 RSI: 00005585013000b0 RDI: 0000000000000001
[  681.540399] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  681.540451] R10: 0000000000000001 R11: 0000000000000246 R12: 00005585012ec580
[  681.540502] R13: 00005585012cd2a0 R14: 0000000000000001 R15: 00005585012ec580
[  681.540556]  </TASK>
[  681.540576] handlers:
[  681.540597] [<00000000321c8230>] serial8250_interrupt
[  681.540638] Disabling IRQ #4
[  714.657660] tc (23394) used greatest stack depth: 11992 bytes left