Apparently, this is not the first time this bug has been reported. Please see the following link:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/285392?comments=all It seems to be a bug in SATA PMP (Port Multiplier). -- HP blu-ray drive gets softreset failed errors on 64 bit but not 32 bit https://bugs.launchpad.net/bugs/668392 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