Eugene Lineitzev wrote:
>
> >Description:
> I have found the error. On Linux RedHat 7.0 with kernel 2.2.17-14
> all 'show' commands doesn't works. They display empty tables.
> >How-To-Repeat:
> Install RedHat 7.0 on Intel platform, apply all updates from RedHat
> (up to March, 01 2001), compile kernel 2.2.17-14 from kernel-sources
> package, then compile MySQL from RPM supplied by www.mysql.com.
>
> Compiling went OK and MySQL can be installed. By we will always
> get such strange results for 'show' commands:
>
> $ mysql
> Welcome to the MySQL monitor. Commands end with ; or \g.
> Your MySQL connection id is 3 to server version: 3.23.33-log
>
> Type 'help;' or '\h' for help. Type '\c' to clear the buffer
>
> mysql> show databases;
> +----------+
> | Database |
> +----------+
> | |
> | |
> | |
> | |
> | |
> | |
> | |
> | |
> +----------+
> 8 rows in set (0.00 sec)
>
> mysql> use UNEXISTANT;
> ERROR 1049: Unknown database 'UNEXISTANT'
>
> mysql> use mysql;
> Database changed
>
> mysql> show tables;
> Empty set (0.00 sec)
>
> As we can see, there are AVAILABLE databases, but 'show databases'
> doesn't displays anything. We can make 'use' with correct names,
> can't with unexistant, but the tables in database can't be reached.
>
> BTW, I have found the dependence of number in line ('8 rows in set)
> above - it corresponds to number of entries in /var/lib/mysql/
> directory:
>
> $ ls -a /var/lib/mysql/
> . Phantom.log Phantom.tsk.ru.pid mysql.sock
> .. Phantom.tsk.ru.err mysql test
>
> There are total 8 files (with '.' and '..' entries). We can create
> one more file by peforming 'touch /var/lib/mysql/asdf' and here are
> new mysql report:
>
> mysql> show databases;
> +----------+
> | Database |
> +----------+
> | |
> | |
> | |
> | |
> | |
> | |
> | |
> | |
> | |
> +----------+
> 9 rows in set (0.00 sec)
>
> Very strange, isn't it ?..
>
> And what is more, I _have_ tried to undefine the HAVE_READDIR_R in
> config.h . The same results...
>
> I have tried to compile OLD MySQL (version 3.22.32), it works
> with absolutelly the same problems.
>
> >Fix:
>
> I doesn't know how to correct this. I'll be very thankful if someone
> help me...
>
> >Submitter-Id: <submitter ID>
> >Originator: [EMAIL PROTECTED]
> >Organization:
> none
> >MySQL support: none
> >Synopsis: The bug with empty 'show databases' results. Linux RedHat 7.0 i386
> >Severity: critical
> >Priority: high
> >Category: mysql
> >Class: sw-bug
> >Release: mysql-3.23.33 (Official MySQL RPM)
> >Server: /usr/bin/mysqladmin Ver 8.15 Distrib 3.23.33, 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 3.23.33-log
> Protocol version 10
> Connection Localhost via UNIX socket
> UNIX socket /var/lib/mysql/mysql.sock
> Uptime: 13 min 1 sec
>
> Threads: 1 Questions: 1 Slow queries: 0 Opens: 6 Flush tables: 1 Open tables: 0
>Queries per second avg: 0.016
> >Environment:
>
> System: Linux Phantom.tsk.ru 2.2.17-14 #1 Tue Mar 6 03:05:11 TSK 2001 i686 unknown
> Architecture: i686
>
> Some paths: /usr/bin/perl /usr/bin/make /usr/bin/gmake /usr/bin/gcc /usr/bin/cc
> GCC: Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
> gcc version 2.96 20000731 (Red Hat Linux 7.0)
> Compilation info: CC='egcs' CFLAGS=' -O6' CXX='egcs' CXXFLAGS=' -O6
>-felide-constructors -fno-exceptions -fno-rtti' LDFLAGS=''
> LIBC:
> lrwxrwxrwx 1 root root 11 Mar 5 17:37 /lib/libc.so.6 -> libc-2.2.so
> -rwxr-xr-x 1 root root 5155229 Jan 11 07:09 /lib/libc-2.2.so
> -rw-r--r-- 1 root root 24498288 Jan 11 06:35 /usr/lib/libc.a
> -rw-r--r-- 1 root root 178 Jan 11 06:35 /usr/lib/libc.so
> lrwxrwxrwx 1 root root 10 Mar 6 00:23 /usr/lib/libc-client.a ->
>c-client.a
> Configure command: ./configure --disable-shared --with-mysqld-ldflags=-all-static
>--with-client-ldflags=-all-static --with-charset=koi8_ru --enable-assembler
>--with-mysqld-user=mysql --with-unix-socket-path=/var/lib/mysql/mysql.sock --prefix=/
>--with-extra-charsets=complex --exec-prefix=/usr --libexecdir=/usr/sbin
>--sysconfdir=/etc --datadir=/usr/share --localstatedir=/var/lib/mysql
>--infodir=/usr/info --includedir=/usr/include --mandir=/usr/man --without-berkeley-db
>'--with-comment=Official MySQL RPM'
>
I've had the same problem with 3.23.33, but not 3.23.32 (i.e 3.23.32
works fine) on Redhat 6.2.
This bug also manifests itself on SUSE 7.0.
I am hoping that 3.33.34 (when it comes out) (hint, hint) will sort this
problem.
Greg
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