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References: <72ad57af.1380.17060da4702.Coremail.wanghanlin@corp.netease.com>
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From: Jonathan Wakely <jwakely.gcc@gmail.com>
Date: Thu, 20 Feb 2020 09:02:00 -0000
Message-ID: <CAH6eHdSD9F7Db=UKh=q3aQAaqHiUn58EJJCj9yp9bUnUCrWD5A@mail.gmail.com>
Subject: Re: __pthread_mutex_lock assertion error with a simple test program
To: wanghanlin@corp.netease.com
Cc: libc-help@sourceware.org, gcc-help <gcc-help@gcc.gnu.org>
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X-SW-Source: 2020-02/txt/msg00021.txt.bz2

On Thu, 20 Feb 2020 at 04:28, <wanghanlin@corp.netease.com> wrote:
>
> Dear All,
> Recently on my X86 server one problem hit.
> ../nptl/pthread_mutex_lock.c:81: __pthread_mutex_lock: Assertion `mutex->__data.__owner == 0' failed.
> The test program of appendix [1] is very simple.
> Strangely, there are hundreds of identical servers, but only two have this problem.

It doesn't look like a GCC problem though.