Looking for Pentium M owners...

Colin Percival colin.percival at wadham.ox.ac.uk
Sat Aug 14 21:07:29 PDT 2004


I'm currently writing Enhanced SpeedStep code for FreeBSD, and Intel's
lack of documentation is getting in the way.  I think I've managed to
find the MSR with the data I need, but I need some people with Pentium
M processors to run a quick test for me to verify this.  In particular,
I really need results from the new 90nm Pentium M processors (these are
the ones with model numbers -- "Pentium M 735", "Pentium M 745", etc).

What I need people with Pentium M processors to do is this:
1. Download and extract http://www.daemonology.net/tmp/dumpmsr.tgz
2. `make`
3. `kldload ./dumpmsr.ko`
4. `kldunload dumpmsr`

When you kldload, it should print three lines; please send me those,
along with the output of `sysctl hw.model`, and (if you know) the
model name/number under which Intel advertises your processor.

IF YOU ARE NOT RUNNING A PENTIUM M PROCESSOR, THIS WILL PROBABLY CRASH
YOUR MACHINE.

If I get the results I'm hoping for out of this, I'll probably have an
Enhanced SpeedStep kernel module available for 5.x within the next week.

Colin Percival



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