[  642.009090] tc (12507) used greatest stack depth: 11992 bytes left
[  647.133966] irq 4: nobody cared (try booting with the "irqpoll" option)
[  647.134085] CPU: 3 PID: 11242 Comm: perl Not tainted 6.10.0-rc5-virtme #1
[  647.134136] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  647.134223] Call Trace:
[  647.134259]  <IRQ>
[  647.134285]  dump_stack_lvl+0x55/0x70
[  647.134331]  __report_bad_irq+0x2b/0xc0
[  647.134366]  note_interrupt+0x2a7/0x2f0
[  647.134407]  handle_irq_event+0x72/0x80
[  647.134436]  handle_edge_irq+0x8b/0x230
[  647.134475]  __common_interrupt+0x3c/0xb0
[  647.134511]  common_interrupt+0x80/0x90
[  647.134548]  </IRQ>
[  647.134571]  <TASK>
[  647.134594]  asm_common_interrupt+0x26/0x40
[  647.134649] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  647.134693] 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 ec 25 4b 50 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  647.134817] RSP: 0018:ffffaecf0125bd60 EFLAGS: 00000286
[  647.134861] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  647.134915] RDX: ffffffffaf77089d RSI: 0000000000000286 RDI: ffffffffb10e7500
[  647.134977] RBP: ffff889441e90000 R08: 00000096bd2fbb1d R09: 0000000000000001
[  647.135031] R10: ffff88944255e5f8 R11: 0000000000000000 R12: ffffffffb10e7500
[  647.135083] R13: 0000000000000286 R14: ffff88944255f000 R15: ffff88944255e400
[  647.135152]  ? rpm_suspend+0x1ad/0x5e0
[  647.135190]  uart_write+0x89/0x150
[  647.135224]  n_tty_write+0x1a6/0x520
[  647.135255]  ? __pfx_woken_wake_function+0x10/0x10
[  647.135307]  file_tty_write.constprop.0+0x14d/0x330
[  647.135348]  vfs_write+0x32f/0x460
[  647.135384]  ksys_write+0x63/0xe0
[  647.135415]  do_syscall_64+0x9e/0x1a0
[  647.135450]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  647.135492] RIP: 0033:0x7f958c45d957
[  647.135524] 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
[  647.135646] RSP: 002b:00007ffda7478828 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  647.135700] RAX: ffffffffffffffda RBX: 000055a08c5fefd0 RCX: 00007f958c45d957
[  647.135765] RDX: 0000000000000001 RSI: 000055a08c5fefd0 RDI: 0000000000000001
[  647.135820] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  647.135873] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a08c5eb560
[  647.135934] R13: 000055a08c5cc2a0 R14: 0000000000000001 R15: 000055a08c5eb560
[  647.135989]  </TASK>
[  647.136009] handlers:
[  647.136031] [<000000009ea928c5>] serial8250_interrupt
[  647.136080] Disabling IRQ #4