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Date:      Sat, 10 Jul 2004 20:36:22 +0200
From:      Matthias Schuendehuette <msch@snafu.de>
To:        freebsd-hackers@FreeBSD.org
Subject:   gdb 6.1.1: File format not recognized
Message-ID:  <200407102036.22076.msch@snafu.de>

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Hello,

I tried to look into a core dump from a -current kernel with
'gdb' but all i get is:

--------------8><-----------------------------
root@current - /var/crash
504 # gdb kernel.debug vmcore.0
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...
"/var/crash/vmcore.0" is not a core dump: File format not recognized
(gdb) quit
--------------8><-----------------------------

I looked at the man-pages of gdb(1), savecore(8) and into the
'Developers Handbook' but I didn't find anything about the
correct file format of a core dump.

If I look at /var/crash/info.0, there's:

--------------8><-----------------------------
Good dump found on device /dev/da0s1b
  Architecture: i386
  Architecture version: 1
  Dump length: 268369920B (255 MB)
  Blocksize: 512
  Dumptime: Sat Jul 10 19:40:30 2004
  Hostname: current.best-eng.de
  Versionstring: FreeBSD 5.2-CURRENT #5: Sat Jul 10 12:37:27 CEST 2004
    root@current.best-eng.de:/raid/obj/usr/src/sys/CURRENT
  Panicstring: unmount: dangling vnode
  Bounds: 0
--------------8><-----------------------------

Did I overlook something? Has someone a pointer or hint for me?


-- 
Ciao/BSD - Matthias

Matthias Schuendehuette	<msch [at] snafu.de>, Berlin (Germany)
PGP-Key at <pgp.mit.edu> and <wwwkeys.de.pgp.net> ID: 0xDDFB0A5F



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