I tried libata.force=udma/66 which did not help, but from the below I am not sure it was correctly set anyway:
[ 1.702986] ata1.00: ATA-8: SAMSUNG HM160HC, LQ100-10, max UDMA/100 [ 1.702990] ata1.00: 312581808 sectors, multi 16: LBA48 [ 1.703006] ata1.00: applying bridge limits [ 1.703022] ata1.00: FORCE: xfer_mask set to udma/66 [ 1.716789] ata2.00: failed to set xfermode (err_mask=0x1) [ 1.718828] ata1.00: configured for UDMA/66 -- ata exception and hang when booting 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