I've the same issue (with the same log output). I'm on a Nvidia integrate card and the bug happens both with and without using Compiz. It seems to me that it happens mostly (maybe only, I'm not sure) when I press the enter key when writing in a text box on Firefox.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/765136 Title: [natty] X often crashes since upgrade to natty -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
