>Description:
Our mysql server crashes relatively often. Most of the time after a crash,
the error logs show a line like "thd->query at 0x84aef98 = show processlist" (although
some have "0x50e64580 is invalid pointer" and others "(nil) is invalid pointer").
We do have a process which regularly does a "show processlist" on this server.
I was running the debian packaged version of mysql (latest version in woody),
but upgraded to mysql-max and ran myisamchk on all tables before starting the database
to make sure that the problems were not benig caused by table corruption. I do not
believe that we are using any functions that require mysql-max, so if installing the
binary release of mysql is the next recommended step, I can do this.
>How-To-Repeat:
I can not get this to happen on demand, but I was wondering if the above lines
indicate that the "show processlist" command was causing the problem.
>Fix:
Unknown
>Submitter-Id: <submitter ID>
>Originator: root
>Organization:
>MySQL support: none
>Synopsis:
>Severity:
>Priority:
>Category: mysql
>Class:
>Release: mysql-3.23.49 (Source distribution)
>Server: /usr/bin/mysqladmin Ver 8.23 Distrib 3.23.49, for pc-linux-gnu on i686
Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This software comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to modify and redistribute it under the GPL license
Server version 3.23.49a-max-log
Protocol version 10
Connection Localhost via UNIX socket
UNIX socket /var/run/mysqld/mysqld.sock
Uptime: 3 days 9 hours 36 min 13 sec
Threads: 45 Questions: 21283332 Slow queries: 701 Opens: 186 Flush tables: 1 Open
tables: 98 Queries per second avg: 72.448
>Environment:
System: Linux mysql1 2.4.18 #3 SMP Thu May 9 14:56:09 WST 2002 i686 unknown
Architecture: i686
Some paths: /usr/bin/perl /usr/bin/make /usr/bin/gcc /usr/bin/cc
GCC: Reading specs from /usr/lib/gcc-lib/i386-linux/2.95.4/specs
gcc version 2.95.4 20011002 (Debian prerelease)
Compilation info: CC='gcc' CFLAGS='' CXX='c++' CXXFLAGS='' LDFLAGS=''
LIBC:
lrwxrwxrwx 1 root root 14 Mar 8 09:07 /lib/libc.so.5 ->
libc.so.5.4.46
-rw-r--r-- 1 root root 563068 Feb 5 05:30 /lib/libc.so.5.4.46
lrwxrwxrwx 1 root root 13 May 22 10:44 /lib/libc.so.6 -> libc-2.2.5.so
-rwxr-xr-x 1 root root 1153784 Apr 28 17:57 /lib/libc-2.2.5.so
-rw-r--r-- 1 root root 2390922 Apr 28 17:58 /usr/lib/libc.a
-rw-r--r-- 1 root root 178 Apr 28 17:58 /usr/lib/libc.so
Configure command: ./configure --prefix=/usr --exec-prefix=/usr
--libexecdir=/usr/sbin --datadir=/usr/share --sysconfdir=/etc/mysql
--localstatedir=/var/lib/mysql --includedir=/usr/include --infodir=/usr/share/info
--mandir=/usr/share/man --enable-shared --with-libwrap --enable-assembler
--with-berkeley-db --with-innodb --enable-static --enable-shared --enable-local-infile
--with-raid --enable-thread-safe-client --without-readline
--with-unix-socket-path=/var/run/mysqld/mysqld.sock --with-mysqld-user=mysql
--without-bench --with-client-ldflags=-lstdc++ --with-extra-charsets=all
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