Definitely this is a bug... i'm getting reports at university... it would be such a coincidence hard drives failing at worldwide scale. I think this is definitely the linux kernel. Please also refer to this bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/397096 -- ata1.00: exception Emask 0x0 SAct 0x807f SErr 0x0 action 0x6 frozen https://bugs.launchpad.net/bugs/285892 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
