Date: Thu, 17 Feb 2005 11:44:56 +0100 From: Roberto Nunnari <roberto.nunnari@supsi.ch> To: freebsd-stable@freebsd.org Subject: can't get a crash dump Message-ID: <421475A8.7070003@supsi.ch>
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Hi.
A couple of days ago I upgrades a few ports on
a 5.3 box and since then I'm often getting crashes.
-bash-2.05b# uname -a
FreeBSD jupiter.noonlights.net 5.3-RELEASE-p5 FreeBSD 5.3-RELEASE-p5 #0:
Wed Feb 16 23:36:03 CET 2005
root@jupiter.noonlights.net:/usr/obj/usr/src/sys/JUPITER i386
I'd like to get a crash dump and so
I added the following lines to /etc/rc.conf
dumpdev="/dev/ad0s1b"
dumpdir="/usr/crash"
-bash-2.05b# swapinfo
Device 1K-blocks Used Avail Capacity
/dev/ad0s1b 503360 0 503360 0%
-bash-2.05b# ls -ld /usr/crash/
drwx------ 2 root wheel 512 Feb 16 11:17 /usr/crash/
the machine only has 256MB RAM and the filesystem has over
5 GB free,
but I'm not getting any dump! /usr/crash/ is always empty.
..and the machine crashes quite often:
-bash-2.05b# last|grep reboot
reboot ~ Thu Feb 17 07:58
reboot ~ Thu Feb 17 01:23
reboot ~ Wed Feb 16 22:48
reboot ~ Wed Feb 16 21:59
reboot ~ Wed Feb 16 21:37
reboot ~ Wed Feb 16 21:08
reboot ~ Wed Feb 16 20:56
reboot ~ Wed Feb 16 20:44
reboot ~ Wed Feb 16 20:20
reboot ~ Wed Feb 16 20:04
reboot ~ Wed Feb 16 19:17
reboot ~ Wed Feb 16 18:40
reboot ~ Wed Feb 16 17:26
reboot ~ Wed Feb 16 14:07
reboot ~ Wed Feb 16 12:39
reboot ~ Wed Feb 16 11:30
reboot ~ Wed Feb 16 10:27
reboot ~ Wed Feb 16 09:31
reboot ~ Wed Feb 16 09:16
reboot ~ Mon Feb 14 14:11
reboot ~ Sun Feb 13 23:49
reboot ~ Sun Feb 13 22:33
reboot ~ Sun Feb 13 12:22
What do I miss? Do I need some kernel option to get a crash
dump?
Best regards.
--
Roberto Nunnari -software engineer-
mailto:roberto.nunnari@supsi.ch
Scuola Universitaria Professionale della Svizzera Italiana
Dipartimento Tecnologie Innovative
http://www.dti.supsi.ch
SUPSI-DTI
Via Cantonale tel: +41-91-6108561
6928 Manno """ fax: +41-91-6108570
Switzerland (o o)
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