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Date:      Wed, 19 Apr 2006 15:32:18 +1000
From:      "Sean Winn" <sean@gothic.net.au>
To:        "'Kris Kennaway'" <kris@obsecurity.org>
Cc:        'Daniel Eischen' <deischen@freebsd.org>, freebsd-sparc64@freebsd.org, freebsd-threads@freebsd.org
Subject:   RE: pthread_mutex_timedlock on sparc64
Message-ID:  <001801c66372$a032e770$2522630a@t22>
In-Reply-To: <20060418204240.GA69833@xor.obsecurity.org>

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Kris Kennaway wrote:
> On Tue, Apr 18, 2006 at 07:28:00PM +1000, Sean Winn wrote:
>> owner-freebsd-sparc64@freebsd.org wrote:
>>> 
>>> libthr *is* the thread library on sparc64; as Daniel says,
>>> libpthread is not ported to sparc64. 
>>> 
>>> Kris
>> 
>> Not yet in 6.x
>> 
>> 19:25 Tue 18-Apr sean@bloody [~] uname -msr
>> FreeBSD 6.1-RC1 sparc64
>> 19:25 Tue 18-Apr sean@bloody [~] ls -l /usr/lib/libpthread.so
>> lrwxrwxrwx  1 root  wheel  9 Apr 17 04:05 /usr/lib/libpthread.so ->
>> libc_r.so
> 
> Oops, I forgot about that..although so did David when he removed
> libc_r from 7.0 and broke sparc :-)
> 
> So I guess this is a libc_r missing feature.  Probably the solution is
> to use libthr on 6.x too (I don't know if it works well enough on
> 5.x).  libthr causes witness panics under load on sparc64 though.
> 
> Kris

Would threading problems be related to sparc64/73413? I've noticed it
sitting idle for a long while, and the test case still core dumps. The
PR it references (sparc64/72998) also is open.


http://www.freebsd.org/cgi/query-pr.cgi?pr=sparc64/73413




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