[  471.490525] Mirror/redirect action on
[  482.299287] irq 4: nobody cared (try booting with the "irqpoll" option)
[  482.299387] CPU: 3 UID: 0 PID: 19605 Comm: perl Not tainted 6.11.0-rc5-virtme #1
[  482.299443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  482.299517] Call Trace:
[  482.299541]  <IRQ>
[  482.299561]  dump_stack_lvl+0x55/0x70
[  482.299595]  __report_bad_irq+0x2b/0xc0
[  482.299622]  note_interrupt+0x2a7/0x2f0
[  482.299646]  handle_irq_event+0x72/0x80
[  482.299671]  handle_edge_irq+0x8b/0x230
[  482.299696]  __common_interrupt+0x3c/0xb0
[  482.299720]  common_interrupt+0x80/0x90
[  482.299758]  </IRQ>
[  482.299782]  <TASK>
[  482.299799]  asm_common_interrupt+0x26/0x40
[  482.299834] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  482.299873] 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 bc b8 c9 71 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  482.299970] RSP: 0018:ffffabc6807dbd60 EFLAGS: 00000286
[  482.300006] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  482.300072] RDX: ffffffff8df8705d RSI: 0000000000000286 RDI: ffffffff8f8f8360
[  482.300133] RBP: ffff9dc181fc4000 R08: 000000705c76958b R09: 0000000000000001
[  482.300178] R10: ffff9dc18128f1f8 R11: 0000000000000000 R12: ffffffff8f8f8360
[  482.300225] R13: 0000000000000286 R14: ffff9dc18128e000 R15: ffff9dc18128f000
[  482.300285]  ? rpm_suspend+0x1ad/0x5e0
[  482.300326]  uart_write+0x89/0x150
[  482.300361]  n_tty_write+0x1a6/0x520
[  482.300390]  ? __pfx_woken_wake_function+0x10/0x10
[  482.300424]  file_tty_write.constprop.0+0x14d/0x330
[  482.300462]  vfs_write+0x332/0x460
[  482.300501]  ksys_write+0x63/0xe0
[  482.300529]  do_syscall_64+0x9e/0x1a0
[  482.300555]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  482.300587] RIP: 0033:0x7fa4b87b5957
[  482.300610] 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
[  482.300730] RSP: 002b:00007ffd62f34058 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  482.300783] RAX: ffffffffffffffda RBX: 00005641557470b0 RCX: 00007fa4b87b5957
[  482.300826] RDX: 0000000000000001 RSI: 00005641557470b0 RDI: 0000000000000001
[  482.300885] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  482.300927] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564155733580
[  482.300971] R13: 00005641557142a0 R14: 0000000000000001 R15: 0000564155733580
[  482.301032]  </TASK>
[  482.301049] handlers:
[  482.301067] [<000000001c370fb4>] serial8250_interrupt
[  482.301103] Disabling IRQ #4
[  518.217900] tc (20875) used greatest stack depth: 11992 bytes left