[  330.109744] Mirror/redirect action on
[  340.907835] irq 4: nobody cared (try booting with the "irqpoll" option)
[  340.907953] CPU: 3 PID: 8235 Comm: perl Not tainted 6.10.0-rc5-virtme #1
[  340.908010] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  340.908083] Call Trace:
[  340.908112]  <IRQ>
[  340.908133]  dump_stack_lvl+0x55/0x70
[  340.908174]  __report_bad_irq+0x2b/0xc0
[  340.908207]  note_interrupt+0x2a7/0x2f0
[  340.908239]  handle_irq_event+0x72/0x80
[  340.908273]  handle_edge_irq+0x8b/0x230
[  340.908312]  __common_interrupt+0x3c/0xb0
[  340.908345]  common_interrupt+0x80/0x90
[  340.908375]  </IRQ>
[  340.908399]  <TASK>
[  340.908420]  asm_common_interrupt+0x26/0x40
[  340.908454] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  340.908492] 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 0b 5a <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  340.908608] RSP: 0018:ffffbb7308acbd60 EFLAGS: 00000286
[  340.908656] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  340.908705] RDX: ffffffffa5b7089d RSI: 0000000000000286 RDI: ffffffffa74e7500
[  340.908753] RBP: ffff987cc1e90000 R08: 0000004f72b0ad18 R09: 0000000000000001
[  340.908800] R10: ffff987cc128fdf8 R11: 0000000000000000 R12: ffffffffa74e7500
[  340.908856] R13: 0000000000000286 R14: ffff987cc128f800 R15: ffff987cc128fc00
[  340.908909]  ? rpm_suspend+0x1ad/0x5e0
[  340.908943]  uart_write+0x89/0x150
[  340.908973]  n_tty_write+0x1a6/0x520
[  340.909000]  ? __pfx_woken_wake_function+0x10/0x10
[  340.909047]  file_tty_write.constprop.0+0x14d/0x330
[  340.909084]  vfs_write+0x32f/0x460
[  340.909116]  ksys_write+0x63/0xe0
[  340.909143]  do_syscall_64+0x9e/0x1a0
[  340.909177]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  340.909215] RIP: 0033:0x7fd356996957
[  340.909253] 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
[  340.909359] RSP: 002b:00007ffd8caf0ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  340.909412] RAX: ffffffffffffffda RBX: 000055f0b1bc3fd0 RCX: 00007fd356996957
[  340.909464] RDX: 0000000000000001 RSI: 000055f0b1bc3fd0 RDI: 0000000000000001
[  340.909513] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  340.909577] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f0b1bb0560
[  340.909639] R13: 000055f0b1b912a0 R14: 0000000000000001 R15: 000055f0b1bb0560
[  340.909700]  </TASK>
[  340.909721] handlers:
[  340.909741] [<00000000038ceafd>] serial8250_interrupt
[  340.909783] Disabling IRQ #4