linux-kernel - Re: MAC firmware does not load due to (commit 288d5abe usermodehelper)

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Date:	Wed, 28 Sep 2011 08:21:05 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Krzysztof Halasa <khc@...waw.pl>,
	Russell King <linux@....linux.org.uk>
Subject: Re: MAC firmware does not load due to (commit 288d5abe usermodehelper)

On Wed, Sep 28, 2011 at 5:06 AM, Richard Cochran
<richardcochran@...il.com> wrote:
>
> A warning appears on the console, shown below.  I don't know what
> commit 288d5abe was trying to fix, but it sure made a regression for
> me. It probably would also spoil using NFS boot, too.
>
> Any ideas what to do about this?

Something seems to be calling ioctl() befor rest_init() has even
completed. Which sounds odd, but I wonder if the schedule() there
before it might have let 'init' get going.

Does something like the attached (UNTESTED) fix it?

                             Linus

View attachment "patch.diff" of type "text/x-patch" (679 bytes)