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Subject: Re: [hwloc-devel] hwloc 1.1 rc2 make check fails on SLES10SP1 on PPC64
From: Christopher Samuel (samuel_at_[hidden])
Date: 2010-11-24 01:51:12


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On 24/11/10 17:47, Christopher Samuel wrote:

> I can get the free(fullmask); to not fail if I comment out
> the memset() and migrate_pages() calls. If I just comment
> out the migrate_pages() then it still fails so there's
> something wrong in that calculation from the look of it.

Turns out that is correlated with a Valgrind error:

==6259== Invalid write of size 4
==6259== at 0xFFBA650: memset (mc_replace_strmem.c:626)
==6259== by 0x10016867: hwloc_linux_set_thisthread_membind
(topology-linux.c:1001)
==6259== by 0x1000DBCB: hwloc_set_membind_nodeset (bind.c:243)
==6259== by 0x1000DC7B: hwloc_set_membind (bind.c:259)
==6259== by 0x10002E2F: testmem (hwloc_bind.c:79)
==6259== by 0x1000361B: testmem2 (hwloc_bind.c:113)
==6259== by 0x10003723: testmem3 (hwloc_bind.c:128)
==6259== by 0x100039CF: main (hwloc_bind.c:187)
==6259== Address 0x69fd354 is 0 bytes after a block of size 4 alloc'd
==6259== at 0xFFB86C8: malloc (vg_replace_malloc.c:236)
==6259== by 0x10016837: hwloc_linux_set_thisthread_membind
(topology-linux.c:999)
==6259== by 0x1000DBCB: hwloc_set_membind_nodeset (bind.c:243)
==6259== by 0x1000DC7B: hwloc_set_membind (bind.c:259)
==6259== by 0x10002E2F: testmem (hwloc_bind.c:79)
==6259== by 0x1000361B: testmem2 (hwloc_bind.c:113)
==6259== by 0x10003723: testmem3 (hwloc_bind.c:128)
==6259== by 0x100039CF: main (hwloc_bind.c:187)

- --
 Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computational Initiative
 Email: samuel_at_[hidden] Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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