Bug#564688: VIA VT8623 [Apollo CLE266]: Heavy TV flickering after upgrade
On Mon, Jan 11, 2010 at 12:56:13PM +0100, Torsten Crass wrote:
> Package: xserver-xorg
> Version: 1:7.5+1
> Severity: important
>
> *** Please type your report below this line ***
>
> After a recent 'aptitude full-upgrade', our crt-based PAL TV, which is
> hooked up to our VIA M10K-based HTPC through the S-Video connector,
> exhibits heavy flickering once X comes up (no flickering when switching
> to console). When we first encountered this problem,
> xserver-xorg-video-openchrome was updated to version 1:0.2.904+svn812-1.
> (Unfortunately, I don't know which version was previously installed. Or
> is there a way to reconstruct a log of installed versions?)
>
> During the latest upgrade, xserver-xorg-video-openchrome got uninstalled
> since it obviously conflicted with the newly installed
> xserver-xorg-video-5 package. Funny enough, the openchrome driver still
> gets loaded, as can be seen from the Xorg log shown below. (Perhaps some
> openchrome stuff is still sitting around since the package got removed,
> not purged? Anyway, the fact that xserver-xorg-video-openchrome is
> 'officially' uninstalled on my system is the reason why I submit this
> bug to xserver-xorg, not to the driver package.)
>
> Please apologize my messy xorg.conf -- it just has grown from our first
> attempts to build a HTPC some five years ago to its current state...
> BTW, it's the "TV" ServerLayout that usually gets used. Regarding video
> modes, commenting out all lines in the "Monitor" "TV" section and
> leaving everything to the pre-defined '720x576something' modes didn't
> make any difference -- we have flickering with all of them.
>
> A similar bug report has already been sumitted to the openchrome project
> (http://www.openchrome.org/trac/ticket/342), but since there has been
> little activity on this issue since about 4 weeks, I wonder whether it
> was possible to revert to a previous openchrome revision in Debian in
> order to restore TV out functionality? After all, HTPCs are one of the
> main application fields of VIA's Apollo chips, aren't they?
>
> Best regards --
>
> tcrass
You could use my unichrome git tree, you can dpkg-buildpackage it.
git clone git://anongit.freedesktop.org/~libv/xf86-video-unichrome
Luc Verhaegen.
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