Bug#493573: Backtrace on 'hung' apache2 (while trying to stop service)

[Stefan Fritsch <sf@sfritsch.de>]

Hi,

does anybody have an idea what is going wrong here or how to debug 
this?

On Friday 15 August 2008, Chris Horn wrote:
> (gdb) bt full
> #0  0xb7e630ee in __lll_lock_wait_private () from
> /lib/libpthread.so.0 No symbol table info available.
> #1  0xb7e606e1 in _L_lock_23 () from /lib/libpthread.so.0
> No symbol table info available.
> #2  0xb7e604a8 in pthread_cond_destroy@@GLIBC_2.3.2 () from
> /lib/libpthread.so.0
> No symbol table info available.
> #3  0xb79d9383 in my_thread_global_end () from
> /usr/lib/libmysqlclient_r.so.15
> No symbol table info available.
> #4  0xb79d477a in my_end () from /usr/lib/libmysqlclient_r.so.15
> No symbol table info available.
> #5  0xb79d3281 in mysql_server_end () from
> /usr/lib/libmysqlclient_r.so.15
> No symbol table info available.
> #6  0xb6c69dd7 in zm_shutdown_mysql (type=1, module_number=42) at
> /build/buildd/php5-5.2.6/ext/mysql/php_mysql.c:426
>         module_number = -512

Since I don't have any other idea, it could be that we need to disable 
mysql support in apr-util again and revert the change from 
libmysqlclient.so libmysqlclient_r.so for php5 :-(

Cheers,
Stefan