Just a note that you can compile the latest stuck kernel 2.6.18.2 and it doesn't have this bug. I know that might not be ideal for everybody but if you need your server to work it might be the only way.
Here is a link to how to compile a kernel the ubuntu way for anyone who hasn't done it before. http://www.howtoforge.com/kernel_compilation_ubuntu -- Permission Denied on nfs clients for only some files https://launchpad.net/bugs/62308 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs