Hello This is a widespread problem with AMD machines. Buggy platforms reporting invalid L3 cache information in this case. Upgrading the BIOS may help.
If your program doesn't care about cache affinity, you can hide/ignore the message by setting HWLOC_HIDE_ERRORS=1 in the environment. More details also http://www.open-mpi.org/projects/hwloc/doc/v1.10.1/a00028.php#faq_os_error <http://www.open-mpi.org/projects/hwloc/doc/v1.10.0/a00028.php#faq_os_error> We get so many report about these AMD L3 bugs that I added more details to this FAQ, and I wonder if we should start manually fixing these. Brice Le 17/02/2015 20:04, Mads Boye a écrit : > Hi. > I am experincing the following issues when using openmpi on my new AMD > machine. > **************************************************************************** > * hwloc has encountered what looks like an error from the operating > system. > * > * L3 (cpuset 0x000003f0) intersects with NUMANode (P#0 cpuset > 0x0000003f) without inclusion! > * Error occurred in topology.c line 940 > * > * Please report this error message to the hwloc user's mailing list, > * along with the output from the hwloc-gather-topology script. > **************************************************************************** > > > As suggested by the error message, here is the hwloc-gather-topology > attached. > > If further information is needed please let me know. > >
