[  662.264698] irq 4: nobody cared (try booting with the "irqpoll" option)
[  662.264831] CPU: 3 UID: 0 PID: 9854 Comm: perl Not tainted 6.11.0-virtme #1
[  662.264888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  662.264971] Call Trace:
[  662.265000]  <IRQ>
[  662.265027]  dump_stack_lvl+0x55/0x70
[  662.265074]  __report_bad_irq+0x2b/0xc0
[  662.265119]  note_interrupt+0x2a7/0x2f0
[  662.265157]  handle_irq_event+0x72/0x80
[  662.265193]  handle_edge_irq+0x8b/0x230
[  662.265228]  __common_interrupt+0x3c/0xb0
[  662.265272]  common_interrupt+0x80/0x90
[  662.265312]  </IRQ>
[  662.265338]  <TASK>
[  662.265367]  asm_common_interrupt+0x26/0x40
[  662.265409] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  662.265451] 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 cc 6b e8 4a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  662.265587] RSP: 0018:ffffa1d68241bd60 EFLAGS: 00000286
[  662.265630] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  662.265691] RDX: ffffffffb4d9d67d RSI: 0000000000000282 RDI: ffffffffb6708120
[  662.265755] RBP: ffff902001f50000 R08: 0000009a40ff419f R09: 0000000000000001
[  662.265807] R10: ffff90200267cdf8 R11: 0000000000000000 R12: 0000000000000001
[  662.265867] R13: ffffffffb6708120 R14: 0000000000000282 R15: ffff90200267cc00
[  662.265930]  ? rpm_suspend+0x1ad/0x5e0
[  662.265979]  uart_write+0xb2/0x270
[  662.266036]  n_tty_write+0x1a3/0x520
[  662.266081]  ? __pfx_woken_wake_function+0x10/0x10
[  662.266130]  file_tty_write.constprop.0+0x147/0x330
[  662.266179]  vfs_write+0x335/0x470
[  662.266220]  ksys_write+0x63/0xe0
[  662.266252]  do_syscall_64+0x9e/0x1a0
[  662.266288]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  662.266333] RIP: 0033:0x7fe44cd18957
[  662.266371] 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
[  662.266504] RSP: 002b:00007fffc796da18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  662.266564] RAX: ffffffffffffffda RBX: 000056408913e1f0 RCX: 00007fe44cd18957
[  662.266627] RDX: 0000000000000001 RSI: 000056408913e1f0 RDI: 0000000000000001
[  662.266685] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  662.266741] R10: 0000000000000001 R11: 0000000000000246 R12: 000056408912a580
[  662.266809] R13: 000056408910b2a0 R14: 0000000000000001 R15: 000056408912a580
[  662.266874]  </TASK>
[  662.266896] handlers:
[  662.266926] [<00000000add968aa>] serial8250_interrupt
[  662.266973] Disabling IRQ #4
[  702.400528] tc (11013) used greatest stack depth: 11992 bytes left