I'm also encountering this issue since a few days, and I'm using Lucid. When it happens, there's always an "uname" zombie too. As natilus refuses to start another instance, and both are children of init, the only option is to reboot the system.
-- 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/939661 Title: After a short period of use nautilus no longer reponds and becomes a zombie Status in “nautilus” package in Ubuntu: Invalid Bug description: Nautilus may last for hours or just minutes then fails to respond. Menu items don't respond. It can't be shut down. ps -A does not show a process for nautilus. It can't be restarted. Shutdown of linux usually hangs at the request to terminate all processes. ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: nautilus 1:3.2.1-0ubuntu4.1 ProcVersionSignature: Ubuntu 3.0.0-16.28-generic 3.0.17 Uname: Linux 3.0.0-16-generic i686 ApportVersion: 1.23-0ubuntu4 Architecture: i386 Date: Thu Feb 23 09:53:44 2012 ExecutablePath: /usr/bin/nautilus InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007) SourcePackage: nautilus UpgradeStatus: Upgraded to oneiric on 2011-10-30 (115 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/939661/+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