<div>Dear all<br clear="all"></div> <div>I am having a customised linux distribution installed on a thin client with the following configuration.<br>AMD LX800<br>Xorg version 7.2<br> </div> <div>The display driver that I am using is from xorg git<br><a onclick="return top.js.OpenExtLink(window,event,this)" href="http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-amd.git;a=summary" target="_blank">http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-amd.git;a=summary </a><br> </div> <div>I am using three resolutions </div> <div>  800x 600</div> <div>1024x 768</div> <div>1280x1024<br> </div> <div>The problem that I am facing is that when I am changing the resolution , there is a flickering seen on the screen during X restart. Here is a list of Modelines that i have tried out in my xorg.conf file</div> <div><font size="2"></font> </div> <div><font size="2">Modeline "800x600-56" 36.0000 800 824 896 1024 600 601 603 625 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-60" 40.0000 800 840 976 1056 600 601 605 628 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-70" 45.7199 800 840 920 1040 600 604 607 628 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-72" 49.5000 800 856 976 1040 600 637 643 666 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-75" 49.5000 800 816 896 1056 600 601 604 625 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-85" 56.2500 800 832 896 1048 600 601 604 631 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-90" 60.0649 800 840 928 1056 600 601 604 632 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-100" 68.1789 800 848 936 1072 600 601 604 636 +HSync +VSync</font></div> <div><font size="2">Modeline "800x600-60" 40.0000 800 840 968 1056 600 601 605 628 -HSync -VSync</font></div> <div><font size="2">Modeline "1024x768-60" 65.0000 1024 1048 1184 1344 768 771 777 806 -HSync -VSync</font></div> <div><font size="2">Modeline "1024x768-70" 75.0000 1024 1048 1184 1328 768 771 777 806 -HSync -VSync</font></div> <div><font size="2">Modeline "1024x768-72" 78.7500 1024 1080 1192 1360 768 772 775 804 +HSync +VSync</font></div> <div><font size="2">Modeline "1024x768-75" 78.7500 1024 1040 1136 1312 768 769 772 800 +HSync +VSync</font></div> <div><font size="2">Modeline "1024x768-85" 94.5000 1024 1072 1168 1376 768 769 772 808 +HSync +VSync</font></div> <div><font size="2">Modeline "1024x768-90" 100.1869 1024 1088 1200 1376 768 769 772 809 +HSync +VSync</font></div> <div><font size="2">Modeline "1024x768-100" 113.3099 1024 1096 1208 1392 768 769 772 814 +HSync +VSync</font></div> <div><font size="2">Modeline "1024x768-60" 65.0000 1024 1048 1184 1344 768 771 777 806 -HSync -VSync</font></div> <div><font size="2">Modeline "1280x1024-60" 108.0000 1280 1328 1440 1688 1024 1025 1028 1066 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-70" 129.5999 1280 1368 1504 1728 1024 1030 1033 1071 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-72" 133.5000 1280 1368 1504 1728 1024 1031 1034 1073 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-75" 135.0000 1280 1296 1440 1688 1024 1025 1028 1066 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-85" 157.5000 1280 1344 1504 1728 1024 1025 1028 1072 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-90" 172.7999 1280 1376 1520 1760 1024 1036 1039 1090 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-100" 192.0000 1280 1376 1520 1760 1024 1030 1033 1090 +HSync +VSync</font></div> <div><font size="2">Modeline "1280x1024-60" 108.0000 1280 1328 1440 1688 1024 1025 1028 1066 -HSync -VSync</font></div> <div> </div> <div>I tried out a few more modeline configurations that I calculated using the online tool provided at</div> <div><a href="http://xtiming.sourceforge.net/cgi-bin/xtiming.pl">http://xtiming.sourceforge.net/cgi-bin/xtiming.pl</a></div> <div> </div> <div>Inspite of these, the flickering still exists. </div> <div> </div> <div>Any pointer to the solution of the above problem ?</div> <div> </div> <div> </div> <div>With best regards<br>Pratish Ganguly </div>