This sounds like an X crash and is likely happening because of the proprietary driver you're using.
** Project changed: elementaryos => nvidia-graphics-drivers (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/1087447 Title: eOS automatically logs me out Status in “nvidia-graphics-drivers” package in Ubuntu: New Bug description: Mainly I use the Internet, I use chromium-browser. This happens most often when watching videos on Youtube, zalukaj.tv, but also during normal browsing. The system simply logs me out. Sometimes, it is repeated several times per day. ProblemType: Bug DistroRelease: elementary OS 0.2 Package: elementary-desktop 1.284-0~355~precise1 [origin: LP-PPA-elementary-os-daily] ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33 Uname: Linux 3.2.0-34-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.0.1-0ubuntu15+elementary3~precise1 Architecture: amd64 CrashDB: elementary_meta Date: Thu Dec 6 21:56:43 2012 InstallationMedia: elementary OS 0.2 "Luna" - Beta 1 amd64 (20121114) MarkForUpload: True ProcEnviron: PATH=(custom, no user) LANG=pl_PL.UTF-8 SHELL=/bin/bash SourcePackage: elementary-meta SuspiciousXErrors: ThirdParty: True UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/1087447/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
