I found memtest86 (the one that gets installed into the grub menu) the most reliable, could you try that one too please?
-- Could not initialize the package information https://bugs.launchpad.net/bugs/252940 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs