I've got an answer from Unicorn. If you've got the issue,you have to switch the mode into “Enhanced Mode” of On-Chip Serial ATA to solve the problem. See the attached bios screenshot.
** Attachment added: "image003.jpg" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/897777/+attachment/3738536/+files/image003.jpg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/897777 Title: DMA bug with ICH7-M To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/897777/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
