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Re: dead-lock in glibc

From: Joël Krähemann <jkraehemann at gmail dot com>
To: jkraehemann-guest at users dot alioth dot debian dot org
Cc: libc-help at sourceware dot org
Date: Fri, 31 Mar 2017 21:56:34 +0200
Subject: Re: dead-lock in glibc
Authentication-results: sourceware.org; auth=none
References: <CA+Owze40Onq_uZs2wOjY=O5Xv3D75Ce_b7Sf5qEjMZ-bAnW_wA@mail.gmail.com>
Reply-to: jkraehemann-guest at users dot alioth dot debian dot org

Hi

Might be unrelated, this is a stack-trace of a different test:

http://git.savannah.nongnu.org/cgit/gsequencer.git/tree/ags/test/X/ags_functional_machine_add_and_destroy_test.c?h=0.7.122.x

Here is  WindowMaker unresponsive. No more input possible until the
test was killed.
It is a data-race since it doesn't happen all the time.

Bests,
Joël


On Wed, Mar 15, 2017 at 7:31 PM, Joël Krähemann <jkraehemann@gmail.com> wrote:
> Hi
>
> I experience something strange:
>
> gsequencer: ../nptl/pthread_mutex_lock.c:349:
> __pthread_mutex_lock_full: Assertion `INTERNAL_SYSCALL_ERRNO (e,
> __err) != EDEADLK || (kind != PTHREAD_MUTEX_ERRORCHECK_NP && kind !=
> PTHREAD_MUTEX_RECURSIVE_NP)' failed.
> Aborted
>
> The window on XOrg is still present but the process doesn't exist anymore.
>
> Cheers,
> Joël

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References:
- dead-lock in glibc
  - From: Joël Krähemann

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