On Tue, Oct 04, 2011 at 09:36:59AM -0300, Roberto Scattini wrote: > hi list, > > i want to know how can i "bind" php symbols to apache in order to debug an > apache2 coredump file. > > i upgraded my system to debian squeeze, and suddenly my web application > started to generate "segmentation faults" randomly. > it is a standard package installation, apache2, php5 and > libapache2-mod-php5. i also > installed apache2-dbg, libapr1-dbg, libaprutil1-dbg and php5-dbg. > > i generated an apache coredump file, but when i open dump file with gdb the > only i get is this: > > # gdb /usr/sbin/apache2 /var/cache/apache2/core > GNU gdb (GDB) 7.0.1-debian > Copyright (C) 2009 Free Software Foundation, Inc. > License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html > > > This is free software: you are free to change and redistribute it. > There is NO WARRANTY, to the extent permitted by law. Type "show copying" > and "show warranty" for details. > This GDB was configured as "i486-linux-gnu". > For bug reporting instructions, please see: > <http://www.gnu.org/software/gdb/bugs/>... > > warning: The current binary is a PIE (Position Independent Executable), > which > GDB does NOT currently support. Most debugger features will fail if used > in this session. > > Reading symbols from /usr/sbin/apache2...Reading symbols from > /usr/lib/debug/usr/sbin/apache2-mpm-prefork...done. > (no debugging symbols found)...done.
You need apache2-dbg. Also, check this bugreport¹. ¹http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=346409 -- Huella de clave primaria: AD8F BDC0 5A2C FD5F A179 60E7 F79B AB04 5299 EC56
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