<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED --- - xf86-video-ati Causes black stripes (RadeonHD4890 - r770)" href="https://bugs.freedesktop.org/show_bug.cgi?id=57990#c17">Comment # 17</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED --- - xf86-video-ati Causes black stripes (RadeonHD4890 - r770)" href="https://bugs.freedesktop.org/show_bug.cgi?id=57990">bug 57990</a> from <a class="email" href="mailto:agd5f@yahoo.com" title="Alex Deucher <agd5f@yahoo.com>"> Alex Deucher</a> <pre>(In reply to <a href="show_bug.cgi?id=57990#c16">comment #16</a>) > The older version was the version that comes installed with Ubuntu 12.04 by > default (don't know how to see it). I can't disable ColorTiling2D because I > don't have xorg.conf file in my folder and ColorTiling2D is important to > improve performance as I have seen, driver should work with that enabled. We need to narrow down where the problem is so you need to try some things so we can figure out what's going on. You can create a xorg.conf to test with easily. Just create /etc/X11/xorg.conf with the following content: Section "Device" Identifier "radeon" Driver "radeon" Option "ColorTiling2D" "false" EndSection</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>