This seems to be a duplicate of bug #1215513. Could the people running Raring try the test kernel here:
http://people.canonical.com/~henrix/lp1215513/ (there are 64bits and 32bits kernels) The faulty commit has been reverted in all the kernels (including Precise and Quantal). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1217189 Title: Buffer I/O error on device zram0 (possibly causing complete machine lockup) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1217189/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs