[  400.346929] tc (19479) used greatest stack depth: 11992 bytes left
[  433.599358] irq 4: nobody cared (try booting with the "irqpoll" option)
[  433.599516] CPU: 3 UID: 0 PID: 18614 Comm: perl Not tainted 6.11.0-rc7-virtme #1
[  433.599599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  433.599705] Call Trace:
[  433.599743]  <IRQ>
[  433.599778]  dump_stack_lvl+0x55/0x70
[  433.599836]  __report_bad_irq+0x2b/0xc0
[  433.599888]  note_interrupt+0x2a7/0x2f0
[  433.599931]  handle_irq_event+0x72/0x80
[  433.599971]  handle_edge_irq+0x8b/0x230
[  433.600012]  __common_interrupt+0x3c/0xb0
[  433.600056]  common_interrupt+0x80/0x90
[  433.600103]  </IRQ>
[  433.600134]  <TASK>
[  433.600166]  asm_common_interrupt+0x26/0x40
[  433.600214] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  433.600273] 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 2c 73 69 75 <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  433.600440] RSP: 0018:ffff9ef781353d60 EFLAGS: 00000286
[  433.600499] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  433.600576] RDX: ffffffff8a5882fd RSI: 0000000000000286 RDI: ffffffff8bef9360
[  433.600654] RBP: ffff925801f44000 R08: 0000006508a44dd4 R09: 0000000000000001
[  433.600732] R10: ffff925801f661f8 R11: 0000000000000000 R12: ffffffff8bef9360
[  433.600810] R13: 0000000000000286 R14: ffff925801f66400 R15: ffff925801f66000
[  433.600890]  ? rpm_suspend+0x1ad/0x5e0
[  433.600942]  uart_write+0x89/0x150
[  433.600991]  n_tty_write+0x1a6/0x520
[  433.601040]  ? __pfx_woken_wake_function+0x10/0x10
[  433.601097]  file_tty_write.constprop.0+0x14d/0x330
[  433.601151]  vfs_write+0x332/0x460
[  433.601197]  ksys_write+0x63/0xe0
[  433.601244]  do_syscall_64+0x9e/0x1a0
[  433.601290]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  433.601352] RIP: 0033:0x7f65f9555957
[  433.601396] 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
[  433.601559] RSP: 002b:00007ffda4eb3fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  433.601635] RAX: ffffffffffffffda RBX: 00005586107af1f0 RCX: 00007f65f9555957
[  433.601712] RDX: 0000000000000001 RSI: 00005586107af1f0 RDI: 0000000000000001
[  433.601790] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  433.601867] R10: 0000000000000001 R11: 0000000000000246 R12: 000055861079b580
[  433.601945] R13: 000055861077c2a0 R14: 0000000000000001 R15: 000055861079b580
[  433.602024]  </TASK>
[  433.602054] handlers:
[  433.602083] [<0000000091f749af>] serial8250_interrupt
[  433.602144] Disabling IRQ #4