From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Dave Airlie" <airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [Bug #11382] e1000e: 2.6.27-rc1 corrupts EEPROM/NVM
Date: Fri, 26 Sep 2008 07:06:23 +1000
Message-ID: <21d7e9970809251406gb2bdacbuf9ff1bde3d118cdb@mail.gmail.com>
References: <20080923.150722.141587696.davem@davemloft.net>
	 <200809251156.10648.jbarnes@virtuousgeek.org>
	 <alpine.LNX.1.10.0809252218470.3389@pegasus.suse.cz>
	 <200809251236.12287.jbarnes@virtuousgeek.org>
	 <alpine.LNX.1.10.0809252234400.3389@pegasus.suse.cz>
Mime-Version: 1.0
Content-Transfer-Encoding: 7bit
Return-path: <kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=gamma;
        h=domainkey-signature:received:received:message-id:date:from:to
         :subject:cc:in-reply-to:mime-version:content-type
         :content-transfer-encoding:content-disposition:references;
        bh=KbPOdeEGxSrmH0rTavBfgfeqzvtdSjsdRpain29q+fE=;
        b=x2aC8BFgrBkAPxYSz/6aQavjxhjxHVWTWXebBJsTEd6pkKnnqGWnsWocWgiw19qA9i
         42aidJUBs+x/HLnsy8mgy3oY5LhbQWFvddJnog2j+1aWj+aahT5uahKZrQx7yjXnC/ep
         s05IahVJawcfSKe1g1d8RqOaoq2cSBNoRdTH8=
In-Reply-To: <alpine.LNX.1.10.0809252234400.3389-JCEl3tv+2Z8CVLCxKZUutA@public.gmane.org>
Content-Disposition: inline
Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-ID: <kernel-testers.vger.kernel.org>
Content-Type: text/plain; charset="us-ascii"
To: Jiri Kosina <jkosina-AlSwsSmVLrQ@public.gmane.org>
Cc: Jesse Barnes <jbarnes-Y1mF5jBUw70BENJcbMCuUQ@public.gmane.org>, Frans Pop <elendil-EIBgga6/0yRmR6Xm/wNWPw@public.gmane.org>, Jeff Garzik <jeff-o2qLIJkoznsdnm+yROfE0A@public.gmane.org>, davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org, jeffrey.t.kirsher-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, david.vrabel-kQvG35nSl+M@public.gmane.org, rjw-KKrjLPT3xs0@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, chrisl-pghWNbHTmq7QT0dZR+AlfA@public.gmane.org, Ingo Molnar <mingo-X9Un+BFzKDI@public.gmane.org>, jesse.brandeburg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

On Fri, Sep 26, 2008 at 6:35 AM, Jiri Kosina <jkosina-AlSwsSmVLrQ@public.gmane.org> wrote:
> On Thu, 25 Sep 2008, Jesse Barnes wrote:
>
>> However, the "Factory" log at #425480 *does* indicate that a GEM aware
>> 2D driver was loaded (the "[drm:i915_getparam] *ERROR* Unknown parameter
>> 5" message indicates as much), but the kernel was definitely not GEM
>> aware otherwise the call would have succeeded.  So that rules out GEM
>> proper, but it could still be a bug in one of the non-GEM paths in the
>> experimental xf86-video-intel bits the various distros seem to be
>> picking up.
>
> That was exactly the point I was trying to make, that these error paths
> will probably also need auditing, once we rule out the possibility of
> NVRAM being overwritten from kernelspace.
>

Well the non-GEM paths are really the old codepaths we used in the
older drivers..

So unless we do something really dumb...

I'd target three areas PAT, pciaccess and e1000e itself.

Dave.