I don't have XFS but I suffer exactly a similar behaviour with ext3. Nearly the same symptoms. see bugs #53102 and possibly #16610...
-- XFS corruption post-suspend-to-RAM in 2.6.15-25 https://launchpad.net/bugs/50275 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs