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 > > > _______________________________________________ > hwloc-users mailing listhwloc-us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > Link to this post: > http://www.open-mpi.org/community/lists/hwloc-users/2016/01/1247.php > > > > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users > Link to this post: > http://www.open-mpi.org/community/lists/hwloc-users/2016/01/1248.php > -- -Jianjun Wen Wancube.com - 3D photography Phone: 408 888 7023