Re: hid-related 5.2-rc1 boot hang

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On Tue, May 28, 2019 at 7:15 PM Jiri Kosina <jikos@xxxxxxxxxx> wrote:
>
> On Tue, 28 May 2019, Dave Hansen wrote:
>
> > I have a system that works fine on 5.1.  When updating to 5.2-rc1, it
> > hangs at boot waiting on an instance of systemd-udevd.  The kernel
> > backtrace (https://photos.app.goo.gl/EV8rf7FofWouvdeE8) looks like it's
> > doing an finit_module() that dives into the hid code and is waiting on a
> > request_module().
>
> Dave,
>
> thanks for the report.
>
> Just to confirm -- I guess reverting 4ceabaf79 and a025a18fe would work
> this around, right?
>

It would be also interesting to know which distribution and which
systemd version you are running (if you are on systemd).

This rings a bell as I recall  playing with
request_module/request_firmware a while ago, but Hans convinced me
that no such delay would be induced.

Cheers,
Benjamin



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