Setting libata.dma=3 to grub seems to have stopped the hang on my AAO so far, the entries in dmesg are gone. Still taking over a minute to boot though but that's something I'll live with for now.
It's early days but premature thanks go out to Andrew Squire in advance! -- SSD stall during boot https://bugs.launchpad.net/bugs/445852 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
