From owner-freebsd-threads@FreeBSD.ORG  Mon Jun 14 18:58:20 2004
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Date: Mon, 14 Jun 2004 14:58:13 -0400 (EDT)
From: Daniel Eischen <eischen@vigrid.com>
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To: Lasse Laursen <laursen@netgroup.dk>
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Subject: Re: Possible Threading problem with -CURRENT / MySQL?
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On Mon, 14 Jun 2004, Lasse Laursen wrote:

> Hi,
> 
> I posted this on the 2freebsq-questions" list some time ago but didn't get
> any response. Maybe someone on this list can help:
> 
> We are running MySQL 4.0.20 on FreeBSD 5.2-CURRENT. The machine is a dual
> Xeon with 4GByte of memory with HTT enabled.
> 
> Some info about the system:
> 
> FreeBSD dbnode3 5.2-CURRENT FreeBSD 5.2-CURRENT #0: Tue Jun  8 14:41:02 CEST
> 2004     laursen@dbnode3:/usr/obj/usr/src/sys/DBNODE3  i386
> 
> the /etc/libmap.conf contains:
> 
> libc_r.so.5     libpthread.so.1
> libc_r.so       libpthread.so
> 
> /etc/make.conf contains:
> 
> # -- use.perl generated deltas -- #
> # Created: Wed Jun  9 10:18:52 2004
> # Setting to use base perl from ports:
> PERL_VER=5.8.4
> PERL_VERSION=5.8.4
> PERL_ARCH=mach
> NOPERL=yo
> NO_PERL=yo
> NO_PERL_WRAPPER=yo
> 
> MySQL 4.0.20 was compiled with --without-libwrap (libwrapper seems to be
> broken) and WITH_PROC_SCOPE_PTH set to yes.
> 
> WE use the SCHED_ULE, and:
> 
> # Memory options
> options         MAXDSIZ="(1536*1024*1024)"
> options         MAXSSIZ="(1024*1024*1024)"
> options         DFLDSIZ="(1536*1024*1024)"

Try using SCHED_4BSD, then try removing all memory options.

-- 
Dan Eischen