Le 30/05/2012 17:22, Samuel Thibault a écrit : > Hello, > > John Hanks, le Wed 30 May 2012 17:03:47 +0200, a écrit : >> * Hwloc has encountered what looks like an error from the operating system. >> * >> * object intersection without inclusion! >> * Error occurred in topology.c line 594 > There is indeed something odd with what the Linux kernel reports: > > os node 1 has cpuset 0x0003ffff > os node 2 has cpuset 0x00fc0000 > > as can be seen in /sys/devices/system/node/node*/cpumap, but > > os socket 0 has cpuset 0x00000fff > os socket 1 has cpuset 0x00fff000 > > as can be seen in /sys/devices/system/cpu/cpu*/topology/physical_package_id > > i.e. the kernel reports that socket 0 is completely in node 1, while > socket 1 is half in node 1 and half in node 2. Do you have more > information about what the machine actually contains socket- and > NUMA-wise? The dell website is not really felpful, it talks about 4-16 > cores for the DL165 G7, while you have 24. >
It's a dual-opteron machine with AMD Magny-cours processors. Two 12-core sockets, with 2 NUMA nodes in each. Maybe the BIOS wasn't updated for these processors. Brice
