[CentOS] hdparm strangeness

Johnny Hughes mailing-lists at hughesjr.com
Mon Mar 13 09:36:02 UTC 2006


On Mon, 2006-03-13 at 08:44 +0100, Peter Kjellström 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


More information about the CentOS mailing list