Subject: port-i386/2709: gdb can't access kernel-core-files
To: None <gnats-bugs@NetBSD.ORG>
From: Andrew Wheadon <>
List: netbsd-bugs
Date: 08/21/1996 13:14:14
>Number:         2709
>Category:       port-i386
>Synopsis:       kernel-core-files aren't recognised by gdb
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    gnats-admin (GNATS administrator)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Aug 21 07:35:04 1996
>Originator:     Andrew Wheadon
The cost of living hasn't affected it's popularity. (Mark Twain)
current	release=doc \ "NetBSD-current mirror"
hostbase=/mit/ftp/pub/NetBSD base=/usr prefix=/usr backup delete use-rel-suffix
>Release:        1.2_BETA
System: NetBSD 1.2_BETA NetBSD 1.2_BETA (W) #0: Tue Aug 13 13:53:36 MET DST 1996 i386

	trying to analyse a kernel-core that was created by
	a panic fails to work.
	call boot(0x100)
	after booting in multiuser again:

(root@wipux5:/var/crash>gdb netbsd.1 netbsd.1.core
GDB is free software and you are welcome to 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.
GDB 4.11 (i386-netbsd), Copyright 1993 Free Software Foundation, Inc...
(no debugging symbols found)...

"/var/crash/netbsd.1.core" is not a core dump: File format not recognized
(gdb) quit
(root@wipux5:/var/crash>uname -a
NetBSD 1.2_BETA NetBSD 1.2_BETA (WIPUX1) #0: Tue Aug
 13 15:26:08 MET DST 1996
/i386/compile/WIPUX1 i386
a comment: the machine has 16MB of memory.
(root@wipux5:/var/crash>ls -l
total 34788
-rw-r--r--  1 root  wheel         2 Aug 20 00:03 bounds
-rw-r--r--  1 root  wheel         5 Oct  4  1993 minfree
-rw-r--r--  1 root  wheel   1010619 Aug 20 00:04 netbsd.1
-rw-r--r--  1 root  wheel  16777216 Aug 20 00:04 netbsd.1.core
	fix gdb I presume.