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Subject: Re: [hwloc-devel] hwloc 1.1 rc2 make check fails on SLES10SP1 on PPC64
From: Samuel Thibault (samuel.thibault_at_[hidden])
Date: 2010-11-23 03:28:17

Christopher Samuel, le Tue 23 Nov 2010 09:03:33 +0100, a écrit :
> Hash: SHA1
> On 22/11/10 07:48, Christopher Samuel wrote:
> > *** glibc detected *** /tmp/hwloc/hwloc-1.1rc2/tests/.libs/hwloc_bind:
> > free(): invalid next size (fast): 0x1001c240 ***
> Now this is weird - if I configure it with CFLAGS="-m64 -g"
> (SLES PPC defaults to 32-bit, as does RHEL) then it passes.
> But if I build on this laptop with CFLAGS="-m32 -g" then
> doesn't fail..
> Does that ring any bells ?

You can never know when some corruption is at work :)
(32bit makes things less aligned, thus more prone to buffer-overflow).