Date: Sat, 19 May 2007 10:37:51 +0100 From: Tom Judge <tom@tomjudge.com> To: Albert Wong <ajwwong@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: mysql frequently crash on 6.2 Message-ID: <464EC56F.5080302@tomjudge.com> In-Reply-To: <464cb7ee.47aeb6f6.546d.7849@mx.google.com> References: <464cb7ee.47aeb6f6.546d.7849@mx.google.com>
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Albert Wong wrote:
<SNIP>
> [Usually it only shows about three or four of these repeated errors.]
>
> I am using FreeBSD 6.2 and MySQL 4.1. I am trying to use the libthr
> threading mechanism through the libmap.conf setting, as to earlier in this
> thread post, as a possible fix. [Though, I don't know if I have in fact been
> successful in switching to libthr or not... because I'm not sure if I need
> to recompile / reboot? I don't know if mysql was install from a port or
> not.]
>
> In any event, my libmap.conf settings are now [located in /etc/libmap.conf]:
>
>
> [mysqld]
> libc_r.so libthr.so
> libc_r.so.6 libthr.so.2
> libthr.so.2 libthr.so.2
> libpthread.so libthr.so
> libpthread.so.2 libthr.so.2
>
> and I also added ...
> WITH_LIBMAP= yes
>
> to my make.conf file.
>
> Is there something else I need to do [e.g., recompile? / reboot?] in order
> to activate libthr? The problem remains even with these adjustments.
>
<SNIP>
You can validate the settings in libmap.conf with ldd. Here is the
output you should see if libmap.conf is correct.
> $ ldd /usr/local/libexec/mysqld
/usr/local/libexec/mysqld:
libz.so.3 => /lib/libz.so.3 (0x6849c000)
libwrap.so.4 => /usr/lib/libwrap.so.4 (0x684ac000)
libcrypt.so.3 => /lib/libcrypt.so.3 (0x684b3000)
libstdc++.so.5 => /usr/lib/libstdc++.so.5 (0x684cc000)
libm.so.4 => /lib/libm.so.4 (0x6859b000)
libpthread.so.2 => /usr/lib/libthr.so.2 (0x685b1000)
libc.so.6 => /lib/libc.so.6 (0x685c4000)
Tom
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