Ubuntu
linux-source-2.6.20 package

  1. Bug #96693
  2. Comment #21

Comment 21 for bug 96693

Revision history for this message
Uqbar (uqbar) wrote :

One question: why are you using hdparm on the partition device (sdb1) and not on the disk device (sdb)?
I'm not sure it's the same.
In any case, with hdparm -i /dev/sdb can you see whether the UDMA is being used?