I think I have the same problem. In 2.6.19 my PATA disk was seen as /dev/sda, now it's seen as /dev/hda (again). Also DMA is disabled.
I think DMA got disabled between 2.6.20-1-generic and2.6.20-2-generic; I'm pretty sure it was enabled a week or two ago with a 2.6.20 kernel. My IDE controller is: 00:0f.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 07) -- hdd with dma disabled https://launchpad.net/bugs/76911 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
