Vertical flickering bands on analog TFT using i810

Ronald van Engelen ubuntu-users at lacocina.nl
Sun Aug 14 12:17:26 UTC 2005


Michael Wardle schreef:

>A Google search for "i810 vertical lines" turned up this thread that
>seems to describe your problem exactly
><http://lists.debian.org/debian-x/2003/09/msg00072.html>.
>
>Suggestions I've come across include explicitly disabling the "dri"
>module, explicitly setting the amount of system memory reserved for the
>video card using the "vram" kernel parameter at boot time and disabling
>the hardware cursor by adding the directive Option "SWCursor" "true" to
>xorg.conf, but the original poster in the above mailing list thread
>resolved the problem by reducing the color depth to 16 bpp.
>
>Please try these options (especially the last one), try to verify
>whether this problem still exists in other distributions, and see
>whether this bug is supposed to have been fixed but may have somehow
>become reintroduced (regressed).  I would suggest Debian's Bug Tracking
>System <http://www.debian.org/Bugs/>, Red Hat's Bugzilla
><https://bugzilla.redhat.com/bugzilla/index.cgi>,
>X.org/Freedesktop.org's Bugzilla <https://bugs.freedesktop.org/>, and
>Google as good resources.
>
>It would be good if you could get some more information and report back
>to the list or report this as an Ubuntu bug.
>  
>
Thanks for your suggestions; setting the default color depth to 16 fixed 
the problem.

Unfortunately I don't have enough spare time at the moment to 
investigate the buglists or report a bug.

Thanks,
Ronald





More information about the ubuntu-users mailing list