[Bug 264462] [NEW] Radeon Driver fails to load on 2 Sep daily [ATI HD3870]

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The xserver-xorg-video-ati driver version that is part of the 02 Sep
daily build (Ubuntu i386) fails to start the display during the boot
sequence for either the live desktop or direct install modes, resulting
in a blank "X" display.  The text terminals are accessible, and if I
edit xorg.conf to load either the "vesa" driver or the "radeonhd" driver
and restart the X terminal, the display works normally.

If one then continues to install to hard drive the same behavior
manifests on that installation...the radeon (ati) driver fails to start,
but either the VESA or radeonhd drivers work as expected.

I am not sufficiently knowledgeable to be able to determine if the
problem lies with the ati driver, xrandr or the "X" subsystem. If it is
any help, the display and video adapter are properly detected, but when
using the "ATI" driver xrandr -q returns inappropriate mode data. Xrandr
returns appropriate mode data when using both the "vesa" and "radeonhd"
drivers.

The display is an Apple Cinema HD 23 Inch and the video adapter is an
ATI HD3870.

Interpid Alpha-3 and earlier did not exhibit this problem.  The 02 Sep
daily was the first of the Alpha-4 releases I attempted to use.

** Affects: ubp-hoary
     Importance: Undecided
         Status: Invalid

** Affects: xserver-xorg-driver-ati
     Importance: Unknown
         Status: Unknown

** Affects: xserver-xorg-video-ati (Ubuntu)
     Importance: High
         Status: Triaged

** Affects: xserver-xorg-video-ati (Ubuntu Intrepid)
     Importance: High
         Status: Triaged


** Tags: regression-potential
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Radeon Driver fails to load on 2 Sep daily [ATI HD3870]
https://bugs.edge.launchpad.net/bugs/264462
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