Re: Bug #3842: Apache segfaults IFF mysql support is compiled in

Follow-up: in addition, this problem seems to only occur with the shared version of the libmysqlclient library; compiling php against the static library seems to eliminate the segfault. Steve Langasek postmodern programmer > From: vorlon@netexpress.net > Operating system: RH Linux 6.1 / kernel 2.2.13 / glibc 2.1.2 > PHP version: 3.0.15 > PHP Bug Type: MySQL related > Bug description: Apache segfaults IFF mysql support is compiled in > > With newer versions of MySQL (>=3.22.32), Apache segfaults on startup. I'm > using the i386 RPMs available for download from the mysql site, with no > modifications; Apache has undergone a number of site modifications, > including SSL and frontpage support, but reversing these patches has no > impact on the crash. > > gdb backtrace (generated using 'gdb /usr/sbin/httpd core' on the output of > 'httpd -X'): > > #0 0x4049a404 in _init () from /lib/libpthread.so.0 > (gdb) bt > #0 0x4049a404 in _init () from /lib/libpthread.so.0 > #1 0x805a32c in make_sock () > #2 0x805a691 in setup_listeners () > #3 0x805b3c7 in standalone_main () > #4 0x805ba7f in main () > #5 0x400b71eb in __libc_start_main (main=0x805b7f8 <main>, argc=2, > argv=0xbffff914, init=0x804efd0 <_init>, fini=0x8079a0c <_fini>, > rtld_fini=0x4000a610 <_dl_fini>, stack_end=0xbffff90c) > at ../sysdeps/generic/libc-start.c:90 > (gdb) > > > Configure options to php: > CFLAGS="-fPIC" ./configure --prefix=/usr --with-apxs=/usr/sbin/apxs \ > --with-config-file-path=/etc/httpd --enable-safe-mode \ > --with-exec-dir=/usr/bin --with-system-regex --disable-debug \ > --with-zlib --with-gd --with-mysql --enable-sysvshm \ > --enable-sysvsem --with-freetype --with-snmp \ > --enable-magic-quotes > > If '--with-mysql' is removed from the list of options, the segfaults > disappear. If other options are removed (notably --with-freetype and > --with-snmp), no change is noted. > > Previously, I had successfully compiled php on this machine using mysql > 3.21; no abberant behavior was noted at the time.