Date: Wed, 19 Apr 2006 08:37:17 -0400 (EDT) From: Daniel Eischen <deischen@freebsd.org> To: Kris Kennaway <kris@obsecurity.org> Cc: freebsd-sparc64@freebsd.org, freebsd-threads@freebsd.org Subject: Re: pthread_mutex_timedlock on sparc64 Message-ID: <Pine.GSO.4.64.0604190835400.1870@sea.ntplx.net> In-Reply-To: <20060419054116.GA39394@xor.obsecurity.org> References: <20060418204240.GA69833@xor.obsecurity.org> <001801c66372$a032e770$2522630a@t22> <20060419054116.GA39394@xor.obsecurity.org>
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On Wed, 19 Apr 2006, Kris Kennaway wrote: > On Wed, Apr 19, 2006 at 03:32:18PM +1000, Sean Winn wrote: >> 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. > > Huh, turns out libpthread does exist on sparc, it's just called > libkse. Anyway, since it's not in use the PR wasn't relevant. Yeah, I implemented as much as I could for it, but it doesn't work. So it's installed as libkse as a prod for someone to finish and test it. -- DE
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