Date: Wed, 17 Sep 2008 09:25:37 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Stephen Clark <sclark46@earthlink.net> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: 6.3 reboot -d doesn't work Message-ID: <20080917162537.GB95431@icarus.home.lan> In-Reply-To: <48D0EBCE.9030503@earthlink.net> References: <48D0EBCE.9030503@earthlink.net>
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On Wed, Sep 17, 2008 at 07:36:46AM -0400, Stephen Clark wrote: > I am trying to get a crash dump but am unable to with FreeBSD 6.3-RELEASE-p2 > > /etc/defaults/rc.conf > dumpdir="/var/crash" # Directory where crash dumps are to be stored > savecore_flags="" # Used if dumpdev is enabled above, and present. > > Z2873# sysctl -a |grep physmem > hw.physmem: 259481600 > Swap: 1024M Total, 1024M Free > Z2873# dumpon -v /dev/ad0s1b > kernel dumps on /dev/ad0s1b > > reboot -d > ... > dumping 255M 2 chunks > > > Then nothing - the system doesn't reboot and I have to hard reset it. > When it comes back up there is no crash file in /var/crash > > from /var/log/messages: > Sep 17 07:28:12 Z2873 kernel: ad0: 28615MB <IBM DJSA-230 JS6OAB0A> at > ata0-master UDMA66 > Sep 17 07:28:12 Z2873 kernel: Trying to mount root from ufs:/dev/ad0s1a > Sep 17 07:28:12 Z2873 savecore: no dumps found > > Is this broken? It's a known problem. If when the machine reboots, you forcefully enter single-user, you should be able to get the kernel dump using savecore. http://www.freebsd.org/cgi/query-pr.cgi?pr=conf/118255 -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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