Public bug reported:
Binary package hint: xserver-xorg-video-ati
Hello,
I'm using a Radeon 9250PCI with a home-made cable to drive my TV over
its SCART port. Of course, I need a interlaced modeline to get proper
output, like the following:
> Modeline "768x576" 14.774 768 784 848 944 576 581 586 626 interlace
+hsync +vsync composite
However, I had to find out that it doesn't work well in Gutsy. The first
half of the screen is shown fine, then there's a horizontal black bar
and then the first half of the screen is shown again in the lower half
of my TV set. I can tell that it's divided in the middle because I see
half of the mouse pointer which is usually placed in the middle of the
screen.
In order to narrow down the issue a bit, I downloaded the source for
xserver-xorg-video-ati for Feisty. After compiling and installing it, X
worked flawlessly on my TV. I'd guess that something was broken between
xserver-xorg-video-ati-6.6.3 and xserver-xorg-video-ati-6.7.193.
Do you have any idea what would be the cause of that problem? If not,
I'll have to use git-bisect to find out which commit introduced this
problem.
BTW: I am *not* using the TV out of that card, my cable is connected to
the VGA header. DVI-I at 1680x1050 still works fine.
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
--
interlacing broken in gutsy on radeon 9250
https://bugs.launchpad.net/bugs/144322
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