Kirk True <ktrue@movaris.com> wrote: > > Hi Andrew, > > > I'd be wondering if your disk system is correctly running in DMA mode. > > Apparently support for my hardware isn't magically preset in 2.6.3 as it > was somehow in 2.4. After including it in the kernel the values returned > by hdparm -Tt /dev/hda/ were sped up by a factor of 10! Thanks! > > But... > > > On my 256MB test box, mem01 takes 31 seconds under 2.4.25, 25 seconds > > under 2.6.3-mm3. > > ...I'm still seeing a factor of two speed slowdown between 2.4.20 and > 2.6.3. Would it help to do a vmstat log/graph for the new results? > Try 2.6.3-mm3. It's tons better at this. -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/