[  323.098552] tc (3103) used greatest stack depth: 12440 bytes left
[  331.114780] irq 4: nobody cared (try booting with the "irqpoll" option)
[  331.114887] CPU: 3 PID: 2093 Comm: perl Not tainted 6.10.0-rc4-virtme #1
[  331.114928] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  331.114996] Call Trace:
[  331.115019]  <IRQ>
[  331.115040]  dump_stack_lvl+0x55/0x70
[  331.115075]  __report_bad_irq+0x2b/0xc0
[  331.115103]  note_interrupt+0x2a7/0x2f0
[  331.115133]  handle_irq_event+0x72/0x80
[  331.115165]  handle_edge_irq+0x8b/0x230
[  331.115196]  __common_interrupt+0x3c/0xb0
[  331.115225]  common_interrupt+0x80/0x90
[  331.115253]  </IRQ>
[  331.115269]  <TASK>
[  331.115282]  asm_common_interrupt+0x26/0x40
[  331.115310] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  331.115345] 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 25 4b 7b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  331.115445] RSP: 0018:ffffa6a600983d60 EFLAGS: 00000286
[  331.115479] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  331.115524] RDX: ffffffff8477099d RSI: 0000000000000286 RDI: ffffffff860e7500
[  331.115569] RBP: ffff8cb901e90000 R08: 0000004d288cfcba R09: 0000000000000001
[  331.115614] R10: ffff8cb90128e9f8 R11: 0000000000000000 R12: ffffffff860e7500
[  331.115659] R13: 0000000000000286 R14: ffff8cb90128dc00 R15: ffff8cb90128e800
[  331.115705]  ? rpm_suspend+0x1ad/0x5e0
[  331.115738]  uart_write+0x89/0x150
[  331.115766]  n_tty_write+0x1a6/0x520
[  331.115791]  ? __pfx_woken_wake_function+0x10/0x10
[  331.115826]  file_tty_write.constprop.0+0x14d/0x330
[  331.115868]  vfs_write+0x32f/0x460
[  331.115904]  ksys_write+0x63/0xe0
[  331.115929]  do_syscall_64+0x9e/0x1a0
[  331.115956]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  331.115995] RIP: 0033:0x7fe0e7a4a957
[  331.116022] 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
[  331.116117] RSP: 002b:00007ffcc4588338 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  331.116162] RAX: ffffffffffffffda RBX: 000055a903dabf10 RCX: 00007fe0e7a4a957
[  331.116207] RDX: 0000000000000001 RSI: 000055a903dabf10 RDI: 0000000000000001
[  331.116252] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  331.116297] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a903d98560
[  331.116342] R13: 000055a903d792a0 R14: 0000000000000001 R15: 000055a903d98560
[  331.116388]  </TASK>
[  331.116405] handlers:
[  331.116418] [<00000000ec8425ff>] serial8250_interrupt
[  331.116455] Disabling IRQ #4