As described in this LKML thread [1], we are seeing pthreads hang on futexes. This has occurred with several applications, and I verified it with the same chess simulation algorithm that was described in the thread. The chess application and the other failing ones were tested using the ELRepo 3.10-lt and 3.19-ml kernels packages, and neither kernel reproduced the behavior.<br />
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In the kernel v3 code, this was resolved by reverting commit 11d4616. It is not clear to me if there is a similar solution for the 2.6.32 code.<br />
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[1] <a href="https://lkml.org/lkml/2014/10/3/399">https://lkml.org/lkml/2014/10/3/399</a> [<a href="https://lkml.org/lkml/2014/10/3/399" target="_blank">^</a>]
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