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Re: glibc-2.3.2 NPTL caveat

On 20 Jan 2005, at 6:07 am, David Mosberger wrote:

We just discovered a nasty bug in glibc-2.3.2 which can lead to
"random" memory corruption in multi-threaded applications using NPTL.
This definitely affects Debian/{testing,unstable}, but it may affect
other distros as well.  I also believe that the CVS glibc still has
this bug, so I suspect it's not just glibc-2.3.2 that's affected.

For details, see:


That explains a lot of problems we had with MySQL crashing almost instantly on startup on IA64 machines too. So what needs to be done? Is it as simple a fix as always compiling ld-linux with the larger of the two thread struct sizes? (he says, extremely naively, since this is the sort of thing in Linux that he has no clue about whatsoever - it comes under the heading of "scary stuff you leave to Really Clever People to think about" :-)


Dr Tim Cutts
Informatics Systems Group, Wellcome Trust Sanger Institute
GPG: 1024D/E3134233 FE3D 6C73 BBD6 726A A3F5  860B 3CDD 3F56 E313 4233

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