On Mon, 2006-03-13 at 08:44 +0100, Peter Kjellstr?m wrote: > Hello, > > I had a very similar problem with a bunch of supermicro boards (X6DVL-EG2). > The problem was that the bios somehow confused libata so badly that it fell > back to using the old ide legacy whatever thingy (resulting in hda instead of > sda and of course no dma). > > The solution was to fiddle with the sata settings in bios. Strangely enough, > enabling mixed mode (pata and sata) in bios resulted in something the kernel > could understand and libata has been happy ever since (reporting combined > mode operation in dmesg). > cap makes a very good point. All the sata drives I use are registered as scsi drives and not ide drives (sda and sdb NOT hda and hdb). try our new 2.6.9-34.EL kernel. also make sure the motherboard has the latest bios from the manufacturer. -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part Url : http://lists.centos.org/pipermail/centos/attachments/20060313/7121c5c8/attachment.bin