Hello, Unfortunately it fails as well. Failure happens when the proc involved is not proc number 0 of the node.
Cheers Olivier Cessenat. ----- Mail original ----- De: "Brice Goglin" <brice.gog...@inria.fr> À: "Hardware locality user list" <hwloc-us...@open-mpi.org>, cesse...@free.fr Envoyé: Mardi 15 Janvier 2013 19:26:30 Objet: Re: [hwloc-users] Segmentation fault in collect_proc_cpuset, topology.c line 1074 Hello Indeed, there's a big cgroup crash in 1.6. Can you verify that 1.6.1rc2 works fine? Thanks Brice cesse...@free.fr a écrit : Hello, When updating from 1.5.1 to 1.6 I get a segfault when inside a cgroup/cpuset in collect_proc_cpuset, file topology.c line 1074. It appears that an HWLOC_OBJ_CORE has a son who is it's HWLOC_OBJ_GROUP's father ! $ cat /proc/self/cgroup 2: cpuset: /slurm/test 1: freezer: / $ lssubsys -m cpuset cpuset /cgroup/cpuset $ cat /cgroup/cpuset/slurm/test/cpuset.cpus 31 $ hwloc-1.6/bis/lstopo Segmentation fault (core dumped) $ gdb... Program terminated with signal 11, Segmentation fault. #0 0x00007ffd758d225e in collect_proc_cpuset (obj=<value opt out>, sys=0x1f4dba0) at topology.c: 1074 The machine is made of bullx super-node S6010 (CEA Tera 100). Thanks for your help, Olivier Cessenat. hwloc-users mailing list hwloc-us...@open-mpi.org http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users