Hi Brice
Thanks for the reply.
I use yum install hwloc to install it.
The cpu usage is 100%.
I got this after Ctrl + C, and c, several times:

0x00007ffff7bce13c in look_proc () from /lib64/libhwloc.so.5

Always the same place.

On Sun, Jan 31, 2016 at 12:29 AM, Brice Goglin <brice.gog...@inria.fr>
wrote:

> Hello
>
> Thanks for the report. I have never seen this issue. I have CentOS 7 VMs
> (kvm), lstopo works fine. Did you try this in similar VMs in the past?
>
> When you say "latest hwloc", do you mean "build latest tarball" (1.11.2)
> or "installed latest centos package" (1.7)?
>
> First thing to check: run lstopo, let it hang, and check under top whether
> it uses 100% CPU or 0% CPU (to see if that's an infinite loop or not).
>
> Then, run it under gdb:
> $ gdb lstopo
> Type 'r' and Enter
> When things hang, do ctrl-c
> Type "where" and send the output to us.
>
> If you got 100% in top above, you should do this multiple time. After
> "where", type 'c' to go back to the execution, ctrl+c again, "where" again
> and check whether the backtrace is similar.
>
> Brice
>
>
>
>
> Le 31/01/2016 04:48, Jianjun Wen a écrit :
>
> I installed the latest centos 7 (1151) on VM (vmware), then installed
> latest hwloc.
> lstopo command hangs.
>
> hwloc_topology_load()
> function call also hangs.
>
> Is this an know issue? How to find out what's wrong?
>
> thanks
> --
> -Jianjun Wen
> Wancube.com - 3D photography
> Phone: 408 888 7023
>
>
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>
>
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>



-- 
-Jianjun Wen
Wancube.com - 3D photography
Phone: 408 888 7023

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