thank you but stacktraces are made using gdb not strace, did you read the wikipage pointed before?
** Changed in: nautilus (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/822715 Title: ** (nautilus:2400): WARNING **: Can not calculate _NET_NUMBER_OF_DESKTOPS Status in “nautilus” package in Ubuntu: Incomplete Bug description: Oneiric a3 i386 get these errors logged when i open nautilus: - can not calculate _NET_NUMBER_OF_DESKTOPS - can not get _NET_WORKAREA - can not determine workarea, guessing at layout ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: nautilus 1:3.1.4-0ubuntu2 ProcVersionSignature: Ubuntu 3.0.0-8.10-generic-pae 3.0.1 Uname: Linux 3.0.0-8-generic-pae i686 NonfreeKernelModules: nvidia Architecture: i386 Date: Mon Aug 8 16:10:48 2011 ExecutablePath: /usr/bin/nautilus ProcEnviron: LANG=fr_FR.UTF-8 SHELL=/bin/bash SourcePackage: nautilus UpgradeStatus: No upgrade log present (probably fresh install) mtime.conffile..etc.xdg.autostart.nautilus.autostart.desktop: 2011-07-03T19:42:49 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/822715/+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