Re: [PATCH 0/2] xhci: Fix the NEC stop bug workaround

Michał Pecio
2024-10-31T11:17:32Z

Update:

> Your patch prints one dev_dbg() each time, mine spams many of them for
> 100ms each time. I will remove this one retry limit from your patch to
> see if starts spinning infinitely, but I strongly suspect it will.

Yes, that's exactly what happens.

This time I have killed the ifconfig loop, unplugged the NIC and
started 'rmmod xhci_pci', which is still hanging 10 minutes later.

So business as usual when these things go wrong.

> One retry is not enough. This is what I got on the first try with a
> random UVC webcam:
> [...]

The Set TR Deq mismatch errors went away when I fixed your patch not
to give up on first try. Maybe I remembered wrong and they have always
been around.

Regards,
Michal