[  424.290177] Mirror/redirect action on
[  426.956239] tc (8887) used greatest stack depth: 11992 bytes left
[  435.206093] irq 4: nobody cared (try booting with the "irqpoll" option)
[  435.206210] CPU: 3 UID: 0 PID: 8064 Comm: perl Not tainted 6.11.0-rc4-virtme #1
[  435.206260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  435.206326] Call Trace:
[  435.206350]  <IRQ>
[  435.206369]  dump_stack_lvl+0x55/0x70
[  435.206402]  __report_bad_irq+0x2b/0xc0
[  435.206433]  note_interrupt+0x2a7/0x2f0
[  435.206456]  handle_irq_event+0x72/0x80
[  435.206482]  handle_edge_irq+0x8b/0x230
[  435.206515]  __common_interrupt+0x3c/0xb0
[  435.206544]  common_interrupt+0x80/0x90
[  435.206577]  </IRQ>
[  435.206597]  <TASK>
[  435.206612]  asm_common_interrupt+0x26/0x40
[  435.206645] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  435.206683] 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 88 c9 5b <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  435.206782] RSP: 0018:ffffb04d087abd60 EFLAGS: 00000286
[  435.206820] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  435.206874] RDX: ffffffffa3f86f4d RSI: 0000000000000286 RDI: ffffffffa58f9360
[  435.206920] RBP: ffff924fc1c1c000 R08: 00000065656b1168 R09: 0000000000000001
[  435.206976] R10: ffff924fc24fbdf8 R11: 0000000000000000 R12: ffffffffa58f9360
[  435.207022] R13: 0000000000000286 R14: ffff924fc24fb800 R15: ffff924fc24fbc00
[  435.207068]  ? rpm_suspend+0x1ad/0x5e0
[  435.207100]  uart_write+0x89/0x150
[  435.207138]  n_tty_write+0x1a6/0x520
[  435.207176]  ? __pfx_woken_wake_function+0x10/0x10
[  435.207222]  file_tty_write.constprop.0+0x14d/0x330
[  435.207269]  vfs_write+0x332/0x460
[  435.207309]  ksys_write+0x63/0xe0
[  435.207345]  do_syscall_64+0x9e/0x1a0
[  435.207384]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  435.207431] RIP: 0033:0x7fbf5bd43957
[  435.207470] 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
[  435.207607] RSP: 002b:00007fff93e46a18 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  435.207657] RAX: ffffffffffffffda RBX: 0000561bc4b931f0 RCX: 00007fbf5bd43957
[  435.207706] RDX: 0000000000000001 RSI: 0000561bc4b931f0 RDI: 0000000000000001
[  435.207764] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  435.207822] R10: 0000000000000001 R11: 0000000000000246 R12: 0000561bc4b7f580
[  435.207881] R13: 0000561bc4b602a0 R14: 0000000000000001 R15: 0000561bc4b7f580
[  435.207941]  </TASK>
[  435.207960] handlers:
[  435.207979] [<00000000ed21ffbc>] serial8250_interrupt
[  435.208032] Disabling IRQ #4