I tried configure --enable-64-bit-bfd --enable-largefile And gdb still has problems accessing memory in the KDUMP that the crash-utility can read. For example crash can walk the task list but when the gdb macro tries To access the memory of the second task gdb says it can't access memory. -piet -- Pete/Piet Delaney O: +1 408 935-1813 C: +1 408 646-8557 H: +1 408 243-8872 Home Email: piet.delaney(a)gmail.com -----Original Message----- From: gdb-owner(a)sourceware.org [mailto:gdb-owner@sourceware.org] On Behalf Of Jan Kratochvil Sent: Friday, October 17, 2014 4:56 AM To: Andreas Arnez Cc: Discussion list for crash utility usage, maintenance and development; GDB Development Subject: Re: gdb on KDUMP files On Fri, 17 Oct 2014 13:24:01 +0200, Andreas Arnez wrote: This was: https://bugzilla.redhat.com/show_bug.cgi?id=457187 Nowadays it is only enough to use during configure: --enable-64-bit-bfd Additionally Fedora is carrying for Linux kernel support: http://pkgs.fedoraproject.org/cgit/gdb.git/tree/gdb-6.5-bz203661-emit-rel... dsicussed in the thread: https://sourceware.org/ml/gdb/2006-08/msg00137.html Jan