I'm so sorry, I figure out a way to do it from this another computer, please remove my last comment.
** Tags added: apport-collected ** Description changed: As suggested by SteVe Cook (yorvyk) in this bug: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- sis/+bug/1034812 ("SiS video driver circles round login screen"), I have opened a new bug. As stated in that bug: "Login screen just flicks on screen then screen goes blank before login screen flickers back on and of for ever more." The same behavior is happening with an integrated ATI Rage Pro (AGP 2X and 4M memory) graphic card in a Dell OptiPlex GX1 using Lubuntu 12.10 Quantal Quetzal. After upgrading from 12.04, it doesn't enter in the X system, and the system tries to change to the graphic mode unsuccessfully in a loop indefinitely. Previous this upgrade the system was working fine. I don't attach the xorg.log because it wasn't present in the system and this computer doesn't make use of xorg.conf. However I've attached the dmesg and lspci. It is using the latest Lubuntu kernel. I appreciate any help given in this subject and thank you for the time and effort solving this issue. Best regards, -Andrey + --- + ApportVersion: 2.6.1-0ubuntu6 + Architecture: i386 + DistroRelease: Ubuntu 12.10 + InstallationDate: Installed on 2012-02-18 (252 days ago) + InstallationMedia: Lubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012) + MarkForUpload: True + Package: xserver-xorg-video-ati 1:6.99.99~git20120913.8637f772-0ubuntu1 + PackageArchitecture: i386 + ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5 + Tags: quantal + Uname: Linux 3.5.0-17-generic i686 + UpgradeStatus: Upgraded to quantal on 2012-10-22 (5 days ago) + UserGroups: -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1071564 Title: ATI video driver circles round login screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1071564/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
