[Bug 220069] [6.13.9] regression USB controller dies

[bugzilla-daemon@kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=220069

--- Comment #22 from Claudio Wunder (cwunder@gnome.org) ---
> This zip is OK, but it contains current data from normal operation, not a
> failure. A few random transfers on some devices and it looks like the
> familiar 8-3 hub is periodically getting autosuspended, maybe that's what
> sometimes goes wrong.

Yeah, as I mentioned that was after I made the unbind/bind.

> The freeze is a known (at least to me) bug. I believe it's caused by the
> driver waiting for the command abort to complete with xhci->lock held, which
> blocks the IRQ handler for a few seconds as it tries to acquire the same
> lock, which apparently causes other random IRQs to get delayed as well. I
> have been putting off looking into it properly since December, maybe it's
> time to alert Mathias..

I appreciate the extra info. Let me try those simulated failures, let's see if
that accelerates the issue.

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