[  328.814932] Mirror/redirect action on
[  340.435716] irq 4: nobody cared (try booting with the "irqpoll" option)
[  340.435825] CPU: 3 PID: 8228 Comm: perl Not tainted 6.9.0-virtme #1
[  340.435868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  340.435941] Call Trace:
[  340.435966]  <IRQ>
[  340.435989]  dump_stack_lvl+0x55/0x70
[  340.436024]  __report_bad_irq+0x2b/0xc0
[  340.436053]  note_interrupt+0x2a7/0x2f0
[  340.436080]  handle_irq_event+0x72/0x80
[  340.436108]  handle_edge_irq+0x8b/0x230
[  340.436134]  __common_interrupt+0x3c/0xb0
[  340.436163]  common_interrupt+0x80/0x90
[  340.436190]  </IRQ>
[  340.436206]  <TASK>
[  340.436220]  asm_common_interrupt+0x26/0x40
[  340.436252] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  340.436285] 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 dc a5 8b 5c <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  340.436383] RSP: 0018:ffffb52708d43d60 EFLAGS: 00000286
[  340.436416] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  340.436471] RDX: ffffffffa336f33d RSI: 0000000000000282 RDI: ffffffffa4ce0540
[  340.436516] RBP: ffff9681c1d58000 R08: 0000004f53fe62d9 R09: 0000000000000001
[  340.436561] R10: ffff9681c128e5f8 R11: 0000000000000000 R12: ffffffffa4ce0540
[  340.436607] R13: 0000000000000282 R14: ffff9681c128e000 R15: ffff9681c128e400
[  340.436654]  ? rpm_suspend+0x1ad/0x5e0
[  340.436687]  uart_write+0x89/0x160
[  340.436715]  n_tty_write+0x1a6/0x520
[  340.436745]  ? __pfx_woken_wake_function+0x10/0x10
[  340.436785]  file_tty_write.constprop.0+0x14d/0x330
[  340.436831]  vfs_write+0x32f/0x460
[  340.436857]  ksys_write+0x63/0xe0
[  340.436883]  do_syscall_64+0x9e/0x1a0
[  340.436908]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.436943] RIP: 0033:0x7f071b71b957
[  340.436972] 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
[  340.437069] RSP: 002b:00007ffde3162728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  340.437118] RAX: ffffffffffffffda RBX: 000055d37c129110 RCX: 00007f071b71b957
[  340.437181] RDX: 0000000000000001 RSI: 000055d37c129110 RDI: 0000000000000001
[  340.437226] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  340.437271] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d37c115560
[  340.437317] R13: 000055d37c0f62a0 R14: 0000000000000001 R15: 000055d37c115560
[  340.437364]  </TASK>
[  340.437382] handlers:
[  340.437401] [<00000000dfffc8ca>] serial8250_interrupt
[  340.437439] Disabling IRQ #4