Re: A workaround for request_firmware() stuck in module_init

From: Takashi Iwai
Date: Wed Sep 05 2012 - 13:08:38 EST


At Wed, 5 Sep 2012 13:51:27 -0300,
Lucas De Marchi wrote:
>
> On Tue, Sep 4, 2012 at 10:06 AM, Takashi Iwai <tiwai@xxxxxxx> wrote:
> > Hi,
> >
> > as I've got recently a few bug reports regarding the stuck with
> > request_firmware() in module_init of some sound drivers, I started
> > looking at the issue. Strangely, the problem doesn't happen on
> > openSUSE 12.2 although it has the same udev version with libkmod as
> > Fedora. So I installed Fedora 17, and indeed I could see a problem
> > there.
>
> I fail to see how this is related to libkmod. It's indeed related to
> the fact that udev now timeout a modprobe request so people stop doing
> crazy things and like start daemons as modprobe's install rules. And
> that's true even with old module-init-tools.

Hm, OK, then it must be my misinterpretation.


Takashi
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