[  485.308954] irq 4: nobody cared (try booting with the "irqpoll" option)
[  485.309061] CPU: 3 UID: 0 PID: 25572 Comm: perl Not tainted 6.11.0-virtme #1
[  485.309111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  485.309176] Call Trace:
[  485.309200]  <IRQ>
[  485.309221]  dump_stack_lvl+0x55/0x70
[  485.309257]  __report_bad_irq+0x2b/0xc0
[  485.309288]  note_interrupt+0x2a7/0x2f0
[  485.309312]  handle_irq_event+0x72/0x80
[  485.309337]  handle_edge_irq+0x8b/0x230
[  485.309362]  __common_interrupt+0x3c/0xb0
[  485.309390]  common_interrupt+0x80/0x90
[  485.309419]  </IRQ>
[  485.309438]  <TASK>
[  485.309458]  asm_common_interrupt+0x26/0x40
[  485.309491] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  485.309527] 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 3c 87 e9 47 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  485.309623] RSP: 0018:ffffb149c0743d60 EFLAGS: 00000286
[  485.309658] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  485.309709] RDX: ffffffffb7d8738d RSI: 0000000000000286 RDI: ffffffffb96f9360
[  485.309752] RBP: ffffa07141ec8000 R08: 0000007111a8b253 R09: 0000000000000001
[  485.309796] R10: ffffa07141eefdf8 R11: 0000000000000000 R12: ffffffffb96f9360
[  485.309843] R13: 0000000000000286 R14: ffffa07141eef400 R15: ffffa07141eefc00
[  485.309889]  ? rpm_suspend+0x1ad/0x5e0
[  485.309921]  uart_write+0x89/0x150
[  485.309960]  n_tty_write+0x1a6/0x520
[  485.309988]  ? __pfx_woken_wake_function+0x10/0x10
[  485.310023]  file_tty_write.constprop.0+0x14d/0x330
[  485.310055]  vfs_write+0x332/0x460
[  485.310086]  ksys_write+0x63/0xe0
[  485.310112]  do_syscall_64+0x9e/0x1a0
[  485.310139]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  485.310171] RIP: 0033:0x7ff6993d1957
[  485.310197] 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
[  485.310304] RSP: 002b:00007ffc7b8e4638 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  485.310349] RAX: ffffffffffffffda RBX: 00005600ba5e21f0 RCX: 00007ff6993d1957
[  485.310394] RDX: 0000000000000001 RSI: 00005600ba5e21f0 RDI: 0000000000000001
[  485.310440] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  485.310485] R10: 0000000000000001 R11: 0000000000000246 R12: 00005600ba5ce580
[  485.310529] R13: 00005600ba5af2a0 R14: 0000000000000001 R15: 00005600ba5ce580
[  485.310576]  </TASK>
[  485.310593] handlers:
[  485.310612] [<00000000af785c45>] serial8250_interrupt
[  485.310648] Disabling IRQ #4