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Subject: Re: [hwloc-devel] hwloc 1.1 rc2 make check fails on SLES10SP1 on PPC64
From: Christopher Samuel (samuel_at_[hidden])
Date: 2010-11-21 13:19:41


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On 22/11/10 05:00, Brice Goglin wrote:

> This is caused by /sys/devices/system/cpu/cpu0/topology not existing in
> the tarball. So this is actually expected. Can you check whether this
> directory exists on the machine and whether it's empty or not?

Good catch - it exists but it is empty.

tambo-m:~ # ls -al /sys/devices/system/cpu/cpu0/topology
total 0
drwxr-xr-x 2 root root 0 2010-09-29 10:11 .
drwxr-xr-x 3 root root 0 2010-11-20 14:09 ..
tambo-m:~ #

> 1) it should use always cpuinfo instead of sysfs so something looks
> wrong in the way we detect whether /sys/devices/system/cpu/cpu0/topology
> exists. Where/how did you run your "good.txt" ? Is it a lstopo on the
> actual machine without any options/envvariable?

That's correct - extract tarball, configure, make -j, cd utils, ./lstopo

> 2) it should find things in the devicetree, but we don't have a lot of
> debug info in there unfortunately. let's look at (1) first

Not a problem.

cheers!
Chris
- --
 Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computational Initiative
 Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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