linux-kernel - Re: 2.6.35-rc5 seems hangs at "[drm] Loading REDWOOD Microcode"

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Date:	Tue, 13 Jul 2010 12:37:01 -0400
From:	Alex Deucher <alexdeucher@...il.com>
To:	Thomas Meyer <thomas@...3r.de>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.35-rc5 seems hangs at "[drm] Loading REDWOOD Microcode"

On Tue, Jul 13, 2010 at 12:10 PM, Thomas Meyer <thomas@...3r.de> wrote:
> Hi.
>
> I gave 2.6.35 a try and the last message I see before the boot process
> seems to hang is something like:
> "[drm] Loading REDWOOD Microcode"
>
> I seem to have the microcode installed:
> $ ll /lib/firmware/radeon/RED*
> -rw-r--r--. 1 root root 5504  9. Apr 01:53 /lib/firmware/radeon/REDWOOD_me.bin
> -rw-r--r--. 1 root root 4480  9. Apr 01:53 /lib/firmware/radeon/REDWOOD_pfp.bin
> -rw-r--r--. 1 root root 3072  9. Apr 01:53 /lib/firmware/radeon/REDWOOD_rlc.bin
>
> I also did check these sides for a newer version:
> http://wiki.x.org/wiki/radeonBuildHowTo#TroubleshootingExtraFirmwareforR600.2BAC8-R700.2BAC8-Evergreen
> http://git.kernel.org/?p=linux/kernel/git/dwmw2/linux-firmware.git;a=summary
> http://people.freedesktop.org/~agd5f/radeon_ucode/
>
> But all versions seem to be from April 8.
>
> Booting with option "nomodeset" boots up the kernel correctly, but then
> the Fedora initram disk program dracut fails to open my luks devices
> (sda2+sda3) for some reason (I think I get a timeout and the message:
> "no root device found" appears). Booting without the options "quiet" and
> "rhgb" and with option "nomodeset" reveals in the kernel log that the
> disk and partitons sda1,2,3 are found by the kernel. I don't know what's
> going on here. Help appreciated!
>
> with kind regards
> thomas
>
> PS:
> I did put Alex Deucher in CC as he was the last person to change the
> file "drivers/gpu/drm/radeon/evergreen.c"
>
>

The microcode needs to be included in your initrd otherwise the driver
can't find it when it loads.

Alex
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