I just had the same kind of problem again, in OOo Writer, when I was scrolling down a document. It had worked fine all day long, but X hang for about 10 seconds. The following message was in the logs and apart from this it all seems to work fine again:
kernel: [39955.836585] NVRM: Xid (0001:00): 8, Channel 00000003 -- openoffice crash at startup (related to X) https://bugs.launchpad.net/bugs/429011 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg-server in ubuntu. _______________________________________________ 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