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From: "Alex Deucher" <alexdeucher@gmail.com>
To: "Jonathan McDowell" <noodles@earth.li>
Cc: xorg-driver-ati@lists.x.org, linux-kernel@vger.kernel.org
Subject: Re: 2.6.25-rc3 + RS690 + DRM + xf86-video-ati hang
Date: Sun, 2 Mar 2008 14:23:41 -0500	[thread overview]
Message-ID: <a728f9f90803021123i4feacd07k9b5baa94107d46cf@mail.gmail.com> (raw)
In-Reply-To: <20080301193511.GP9009@earth.li>

On Sat, Mar 1, 2008 at 2:35 PM, Jonathan McDowell <noodles@earth.li> wrote:
> If I enable CONFIG_DRM_RADEON under 2.6.25-rc3 then starting up
>  X using the xf86-video-ati driver (6.8.0 or latest git) causes the
>  machine to become unresponsive; while it still pings and will accept
>  incoming connections they never actually complete and it's not possible
>  to login over a serial console (the actual video console doesn't display
>  anything and the monitor reports a loss of sync).
>
>  Disabling the kernel DRM option results in X running successfully.
>  Likewise 2.6.24 works fine with DRM enabled, presumably because the
>  support for the RS690 was only added in 2.6.25-rc
>
>  The last messages from the kernel before it becomes unresponsive are:
>
>  [drm] Setting GART location based on new memory map
>  [drm] Loading R300 Microcode
>  [drm] writeback test succeeded in 1 usecs
>
>  The motherboard in question is an ASUS M2A-VM HDMI, with the analog VGA
>  output being used. The machine is running an AMD64 with Debian unstable.
>  I have put the output of lspci, a non drm Xorg.log and a drm Xorg.log
>  at:
>
>  http://the.earth.li/~noodles/xorg-ati-drm/lspci
>  http://the.earth.li/~noodles/xorg-ati-drm/Xorg.0.log-nodrm
>  http://the.earth.li/~noodles/xorg-ati-drm/Xorg.0.log-drm
>
>  If I can provide any more useful information please let me know.

Unfortunately, drm support on recent IGP chips is a little shaky at
the moment.  In some cases it helps to change the bios vram options to
a fixed vram size rather than setting it to "auto".

Alex

  reply	other threads:[~2008-03-02 19:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-01 19:35 Jonathan McDowell
2008-03-02 19:23 ` Alex Deucher [this message]
2008-03-04  6:48 ` Andrew Morton
2008-03-04  8:16   ` Dave Airlie
2008-03-04  8:51     ` Jonathan McDowell
2008-03-04  9:13       ` Andrew Morton
2008-03-04  9:24         ` Dave Airlie
2008-03-04 10:33           ` Jonathan McDowell
2008-03-04 11:23       ` Dave Airlie
2008-03-04 17:13         ` JoJo jojo
2008-03-04 18:02           ` Alex Deucher

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