[Bug nptl/13184] rwlocks can go into dead lock

[ph.mathieu at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=13184

Philippe Mathieu <ph.mathieu at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |ph.mathieu at gmail dot com

--- Comment #6 from Philippe Mathieu <ph.mathieu at gmail dot com> 2012-01-16 20:02:45 UTC ---
I've observed the same problem on Opteron 270 processors. Even for a x86_64
targets.

> ./crazylock 4
crazylock: crazylock.c:37: cache_get: Assertion `rwlock.__data.__nr_readers <
n' failed.
crazylock: crazylock.c:31: cache_get: Assertion `rwlock.__data.__nr_readers <=
n' failed.
crazylock: crazylock.c:31: cache_get: Assertion `rwlock.__data.__nr_readers <=
n' failed.
crazylock: crazylock.c:37: cache_get: Assertion `rwlock.__data.__nr_readers <
n' failed.

> file crazylock
crazylock: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux),
dynamically linked (uses shared libs), for GNU/Linux 2.6.18, not stripped

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