Ok, I am doing an experiment. So far it worked... I went to BIOS and changed from SATA mode, to AHCI mode. My BIOS is an ASUS Bios, M3A78-EM. There is SATA Configuration entry right in the first BIOS screen. Then it gives you three modes:
SATA RAID AHCI It was on SATA all this time, and I have changed to AHCI. So far problem is gone. People having this problem, please do the same to see if that narrows down the cause of this issue. (Particurlarly caused by kernel ata drivers). -- ata exception and hang when booting, at T=n.81606 s https://bugs.launchpad.net/bugs/397096 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