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List:       freedesktop-xorg
Subject:    Re: Configuring FireMV 2400
From:       Alex Deucher <alexdeucher () gmail ! com>
Date:       2010-01-29 16:03:58
Message-ID: a728f9f91001290803k21381b46s6c7f9f587c318cbf () mail ! gmail ! com
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On Fri, Jan 29, 2010 at 10:28 AM, Bill Conner <bconner@mac.com> wrote:
> 
> On Jan 21, 2010, at 7:39 PM, Timothy S. Nelson wrote:
> 
> > On Thu, 21 Jan 2010, Bill Conner wrote:
> > 
> > > I've been fighting with get a ATI FireMV 2400 PCIE for several days now and
> > > I've reached a dead end. I was hoping someone has already resolved my issue
> > > or can point me in the right direction.
> > 
> > I have a 2400 MV with only two working heads.  I've been following the
> > issue moderately closely.  However, I'm no expert on xorg in general.
> > 
> > > Environment details
> > > Ubuntu 9.10
> > > 2.6.31-18-generic
> > > xorg-server 2:1.6.4-2ubuntu4.1
> > > 
> > > The 2400 is a quad-head board with two M24 chips appearing on separate PCI
> > > slots. In my case 0:5:0:0(primary) and 0:6:0:0
> > > 
> > > The server has no issue in auto detect mode with the primary M24 and it's
> > > dual heads perfectly. The problem is getting the server to recognize the
> > > second M24. It sees the card but it fails to load:
> > 
> > The problem is, when xorg was refactored to use/create libpciaccess,
> > no-one was testing for support of multiple graphics chips, and it got broken
> > along the way.  This has now been fixed, but only in version 1.7.  You will
> > need to upgrade to version 1.7 before it will work.
> > 
> > I haven't personally gotten around to installing 1.7 myself.  I plan
> > to do this in May.  I'm on Fedora 11, and I'd have to upgrade to Fedora 12 (or
> > go through a lot of hassles recompiling half the stuff on my system).  I'm
> > waiting for F13.  A quick skim of ubuntu-related information reveals that
> > you're on Karmic, which is the latest release.  I was unable to determine what
> > version of xorg is going to be used in Lucid.  That's the advantage of Fedora;
> > it's already had an xorg 1.7-using version out for months.  It seems to me
> > your options are:
> > 1.    Stick with what you have as dual-head
> > 2.    Recompile xorg yourself, which I regard as a vast undertaking (but I'm
> > no xorg expert)
> > 3.    Start using Fedora, the most up-to-date distro around ;)
> > 
> > Of course, I could've missed another option there.
> > 
> > Note, also, that I don't promise that xorg 1.7 will work, but I do
> > know that if you ask questions here, the experts will say "upgrade to 1.7".
> > 
> > HTH,
> > 
> 
> Thanks for the info. You're right the newer versions of xorg have the multihead \
> support fixed (sort of). I installed Ubuntu 10 alpha 2. Only two screens came up on \
> auto configure but Xorg -configure generated a working xorg.conf with both chips. 
> Now a new issue has appeared. The two heads on the primary interface flash \
> periodically. I remember reading another post somewhere about this issue.

Might be underflow to the display controller.  Does:
Option "DisplayPriority" "HIGH"
in the device section(s) of your config help?

Alex
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