linux-kernel - Re: Intel Microcode loader, tg3 driver, and the -rc8-mmotd New World Order firmware...

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Message-Id: <20080702184315.f659ec92.akpm@linux-foundation.org>
Date:	Wed, 2 Jul 2008 18:43:15 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Valdis.Kletnieks@...edu
Cc:	Tigran Aivazian <tigran@...azian.fsnet.co.uk>,
	linux-kernel@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>
Subject: Re: Intel Microcode loader, tg3 driver, and the -rc8-mmotd New
 World Order firmware...

On Wed, 02 Jul 2008 21:32:38 -0400 Valdis.Kletnieks@...edu wrote:

> I built the -rc8-mmotd kernel, and built it with 'CONFIG_FIRMWARE_IN_KERNEL=n'.
> Lo and behold, the microcode.ko was now doing a request_firmware for
> 'intel-ucode/06-0f-06' (which makes sense, the Core2 Duo in this laptop is
> family 6, model 15, stepping 6).  However, what I had in /lib/firmware was
> the Intel-distributed 'microcode.dat' with updates for all the CPUs (which
> used to work in times past).
> 
> What's the magic incantation to take the microcode.dat and create something
> that the firmware driver is willing to use, or is this all borked up and
> I need to do a major rethink or fix my config?
> 
> Another minor annoyance - the tg3 driver, when builtin to the kernel, wouldn't
> load the microcode in this config. It complained it couldn't get 'tigon/tg3_tos.bin',
> but that's almost certainly an issue with Fedora's 'nash' firmware support and/or
> my understanding of it - I got *that* part working by dropping the file into
> /lib/firmware/tigon and building the driver as a module. Fortunately, I don't
> need the tg3 driver to boot far enough to get a full udev running.
> 

(cc dwmw2)
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