Re: Linux v2.6.16-rc6

Lee Revell
2006-03-12T21:46:16Z

On Sun, 2006-03-12 at 13:45 -0500, Paul Blazejowski wrote:
> On recent kernel 2.6.15.6 (or any 2.6.15.x) and latest testing
> 2.6.16-rc6 libata detects and sets wrong UDMA modes for one of the
> SATA-1 drives. This seems to be a bug.
>
> My setup is as follows:
>
> ASUS A8N-SLI-Premium Nforce4 mainboard
> AMD Athlon X2 CPU running SMP
> GCC 3.3.6
> Slackware 10.2 Linux
>
> The drives are used in RAID1 array (dmraid), they are WDC-WD2000JD
> series purchased few months apart. Sata is compiled in the kernel as
> module sata_nv and functions properly, no errors or any other anomalies
> were noticed but the UDMA mode detection seem wrong on the second drive.
>
> Drive one reports ata3: dev 0 configured for UDMA/100 while drive two
> ata4: dev 0 configured for UDMA/133

This bug report is still somewhat unclear.

What are the correct modes you expect to see?

Lee