netdev - Re: [bug?] tg3: Failed to load firmware "tigon/tg3

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Date:	Sat, 05 Jul 2008 21:55:11 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Olivier Galibert <galibert@...ox.com>,
	Takashi Iwai <tiwai@...e.de>, Hannes Reinecke <hare@...e.de>,
	Theodore Tso <tytso@....edu>, Jeff Garzik <jeff@...zik.org>,
	David Miller <davem@...emloft.net>, hugh@...itas.com,
	akpm@...ux-foundation.org, kosaki.motohiro@...fujitsu.com,
	mchan@...adcom.com, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, netdev@...r.kernel.org
Subject: Re: [bug?] tg3: Failed to load firmware "tigon/tg3_tso.bin"

On Sat, 2008-07-05 at 13:13 -0400, Christoph Hellwig wrote:
> On Sat, Jul 05, 2008 at 01:16:06PM +0100, David Woodhouse wrote:
> > It almost never happens that you have kernel versions which _need_
> > different firmware installed. In almost all cases, the older driver will
> > continue to work just fine with the newer firmware (and its bug-fixes).
> > 
> > The ABI between driver and firmware rarely changes in such a fashion
> > that you have to update the driver in lock-step -- and even on the
> > occasions that it does, it's not hard to simply change the name of the
> > "new-style" firmware so that it doesn't stomp on the old one (Think of
> > it like an soname).
> 
> That's unfortunately not true.  There are a lot of drivers that rely
> on specific firmware versions.

Do you have examples of such?

-- 
dwmw2

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