You have been subscribed to a public bug by Marc Deslauriers (mdeslaur):

Binary package hint: xserver-xorg-video-ati

since version 6.7.192 the analog output of my radeon 9700 on the dvi-i
connector (with dvi->vga adapter) is broken.

i use only one monitor, it's connected to the dvi-i port with adapter and 
vga-cable. when gdm comes up (i can hear the sound) the screen stays completely 
black. after switching to tty1 and back to X the image is displayed, but at 
very bad quality. its much too bright and bright areas cast bright "shadows" to 
the right. lowering gamma does not fix this.
if i use the card's vga-connector instead of dvi+adapter it works as intended 
and quality is ok, but as the analog signal on dvi used to be of better 
quality, i'd like to continue using it.

i found this via google and i think it describes the same problem:
http://lists.freedesktop.org/archives/xorg/2007-September/028228.html

this problem still exists in 6.7.194, tested with xserver-xorg-video-
ati_6.7.194-1ubuntu1tv_i386.deb from
http://ppa.launchpad.net/tormodvolden/ubuntu/pool/main/x/xserver-xorg-
video-ati/

ps: analog output on dvi-i worked fine with 6.6.x

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

-- 
[gutsy][9700] analog output on DVI-I broken
https://bugs.launchpad.net/bugs/145198
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