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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/61538] g++ compiled binary, linked to glibc libpthread, hangs on SGI MIPS R1x000 systems on Linux
Date: Tue, 15 Jul 2014 05:02:00 -0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61538

--- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
What is the kernel version?  There has been some recent (this year) fixes
inside the kernel for futex.

Though I admit I have seen this just recently when debugging a program where I
did next over a pthread_mutex_unlock call.