Re: [PATCH v1] driver core: Extend deferred probe timeout on driver registration

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On Tue, May 24, 2022 at 9:41 AM Sebastian Andrzej Siewior
<bigeasy@xxxxxxxxxxxxx> wrote:
>
> On 2022-05-23 20:43:06 [-0700], Saravana Kannan wrote:
> …
> > Thanks for all the help. I think I know what's going on.
>
> I, too got here because my boot recently was extended by 10 seconds and
> bisected to that commit in question.
>
> > If you revert the following commit, then you'll see that your device
> > no longer hangs with my changes.
> > 35a672363ab3 driver core: Ensure wait_for_device_probe() waits until
> > the deferred_probe_timeout fires
>
> Removing probe_timeout_waitqueue (as suggested) or setting the timeout
> to 0 avoids the delay.

In your case, I think it might be working as intended? Curious, what
was the call stack in your case where it was blocked?

-Saravana




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