[  418.214848] tc (4548) used greatest stack depth: 11992 bytes left
[  423.002664] irq 4: nobody cared (try booting with the "irqpoll" option)
[  423.002789] CPU: 3 PID: 3219 Comm: perl Not tainted 6.10.0-rc6-virtme #1
[  423.002856] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  423.002964] Call Trace:
[  423.002994]  <IRQ>
[  423.003026]  dump_stack_lvl+0x55/0x70
[  423.003072]  __report_bad_irq+0x2b/0xc0
[  423.003108]  note_interrupt+0x2a7/0x2f0
[  423.003144]  handle_irq_event+0x72/0x80
[  423.003177]  handle_edge_irq+0x8b/0x230
[  423.003205]  __common_interrupt+0x3c/0xb0
[  423.003246]  common_interrupt+0x80/0x90
[  423.003289]  </IRQ>
[  423.003315]  <TASK>
[  423.003345]  asm_common_interrupt+0x26/0x40
[  423.003394] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  423.003440] 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 e5 ea 4e <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
[  423.003566] RSP: 0018:ffffab3382eb3d60 EFLAGS: 00000286
[  423.003611] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000017
[  423.003661] RDX: ffffffffb0d7202d RSI: 0000000000000286 RDI: ffffffffb26e9300
[  423.003723] RBP: ffff9ecdc2040000 R08: 000000628fccea28 R09: 0000000000000001
[  423.003791] R10: ffff9ecdc25b19f8 R11: 0000000000000000 R12: ffffffffb26e9300
[  423.003863] R13: 0000000000000286 R14: ffff9ecdc25b2400 R15: ffff9ecdc25b1800
[  423.003943]  ? rpm_suspend+0x1ad/0x5e0
[  423.003989]  uart_write+0x89/0x150
[  423.004035]  n_tty_write+0x1a6/0x520
[  423.004074]  ? __pfx_woken_wake_function+0x10/0x10
[  423.004125]  file_tty_write.constprop.0+0x14d/0x330
[  423.004175]  vfs_write+0x332/0x460
[  423.004218]  ksys_write+0x63/0xe0
[  423.004248]  do_syscall_64+0x9e/0x1a0
[  423.004290]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  423.004344] RIP: 0033:0x7fecfee93957
[  423.004385] 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
[  423.004516] RSP: 002b:00007fff14ebd818 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  423.004579] RAX: ffffffffffffffda RBX: 0000558bf28e2fd0 RCX: 00007fecfee93957
[  423.004639] RDX: 0000000000000001 RSI: 0000558bf28e2fd0 RDI: 0000000000000001
[  423.004695] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  423.004774] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558bf28cf560
[  423.004823] R13: 0000558bf28b02a0 R14: 0000000000000001 R15: 0000558bf28cf560
[  423.004890]  </TASK>
[  423.004910] handlers:
[  423.004937] [<00000000dd0f18b6>] serial8250_interrupt
[  423.004981] Disabling IRQ #4