[  326.953440] irq 4: nobody cared (try booting with the "irqpoll" option)
[  326.953568] CPU: 3 PID: 3209 Comm: perl Not tainted 6.10.0-rc4-virtme #1
[  326.953639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  326.953750] Call Trace:
[  326.953785]  <IRQ>
[  326.953817]  dump_stack_lvl+0x55/0x70
[  326.953871]  __report_bad_irq+0x2b/0xc0
[  326.953909]  note_interrupt+0x2a7/0x2f0
[  326.953948]  handle_irq_event+0x72/0x80
[  326.953990]  handle_edge_irq+0x8b/0x230
[  326.954027]  __common_interrupt+0x3c/0xb0
[  326.954067]  common_interrupt+0x80/0x90
[  326.954103]  </IRQ>
[  326.954134]  <TASK>
[  326.954163]  asm_common_interrupt+0x26/0x40
[  326.954200] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  326.954249] 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 5c 45 2b 5d <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  326.954429] RSP: 0018:ffffb005c05a3d60 EFLAGS: 00000286
[  326.954480] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  326.954547] RDX: ffffffffa297099d RSI: 0000000000000286 RDI: ffffffffa42e7500
[  326.954627] RBP: ffff968081294000 R08: 0000004c32542c3d R09: 0000000000000001
[  326.954692] R10: ffff9680822d15f8 R11: 0000000000000000 R12: ffffffffa42e7500
[  326.954765] R13: 0000000000000286 R14: ffff9680822d1800 R15: ffff9680822d1400
[  326.954827]  ? rpm_suspend+0x1ad/0x5e0
[  326.954876]  uart_write+0x89/0x150
[  326.954916]  n_tty_write+0x1a6/0x520
[  326.954954]  ? __pfx_woken_wake_function+0x10/0x10
[  326.955003]  file_tty_write.constprop.0+0x14d/0x330
[  326.955047]  vfs_write+0x32f/0x460
[  326.955085]  ksys_write+0x63/0xe0
[  326.955124]  do_syscall_64+0x9e/0x1a0
[  326.955159]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  326.955204] RIP: 0033:0x7fd03fa46957
[  326.955235] 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
[  326.955387] RSP: 002b:00007ffe2550e768 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  326.955448] RAX: ffffffffffffffda RBX: 0000565156c28fd0 RCX: 00007fd03fa46957
[  326.955505] RDX: 0000000000000001 RSI: 0000565156c28fd0 RDI: 0000000000000001
[  326.955565] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  326.955620] R10: 0000000000000001 R11: 0000000000000246 R12: 0000565156c15560
[  326.955685] R13: 0000565156bf62a0 R14: 0000000000000001 R15: 0000565156c15560
[  326.955743]  </TASK>
[  326.955769] handlers:
[  326.955797] [<00000000ccc02f3f>] serial8250_interrupt
[  326.955851] Disabling IRQ #4