threads/2148: gdb can't read core dumps from crashed multi-threaded C++ programs

Norbert Kiesel nkiesel@tbdnetworks.com
Mon Jul 17 07:08:00 GMT 2006


The following reply was made to PR threads/2148; it has been noted by GNATS.

From: Norbert Kiesel <nkiesel@tbdnetworks.com>
To: Daniel Jacobowitz <drow@false.org>
Cc: gdb-gnats@sources.redhat.com
Subject: Re: threads/2148: gdb can't read core dumps from crashed
	multi-threaded C++ programs
Date: Mon, 17 Jul 2006 09:05:16 +0200

 On Sun, 2006-07-16 at 23:22 -0400, Daniel Jacobowitz wrote:
 > On Sun, Jul 16, 2006 at 10:08:49AM -0000, nkiesel@tbdnetworks.com wrote:
 > > I have a multi-threaded C++ program that crashes.  Since some time,
 > > the core files of this program can't be read by gdb anymore: "core
 > > core" says ""core" is not a core dump: File format not recognized".
 > > 
 > > "readelf -n core" also reports errors though: "readelf: Error: Unable
 > > to read in 0x78 bytes of dynamic section", so it looks like gdb is
 > > not to blame.  But perhaps someone has a soultion anyway?
 > 
 > Check ulimit -c?
 > 
 > Also check for kernel updates.
 
 Hi,
 
 core dump size is unlimited and I'm running 2.6.17.6.  Sorry for not
 mentioning before.
 
 Best,
   Norbert
 
 



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