I'm having the same (very scary) problem with Transmission. In this and the following messages I attach the xorg config and logs. Two things are worth mentioning: I never touched xorg.conf manually (everything you see was automatically generated) and I use nvidia-glx-new.
** Attachment added: "xorg.conf" http://launchpadlibrarian.net/16414770/xorg.conf -- Transmission causes X / gdm to die https://bugs.launchpad.net/bugs/244182 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs