Date: Fri, 4 Jun 2010 08:27:42 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Garrett Cooper <yanefbsd@gmail.com>, David Rhodus <sdrhodus@gmail.com> Subject: Re: Auto doadump() Message-ID: <201006040827.42261.jhb@freebsd.org> In-Reply-To: <AANLkTilZPOwgPITlgb_fH_9sGZJFlPA8AtHnLHHq3HO4@mail.gmail.com> References: <AANLkTilKLPfEfoSfjaXEO4s7L0o5KNHNad7gnFFM6Bjo@mail.gmail.com> <AANLkTilZPOwgPITlgb_fH_9sGZJFlPA8AtHnLHHq3HO4@mail.gmail.com>
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On Thursday 03 June 2010 9:45:56 pm Garrett Cooper wrote: > On Thu, Jun 3, 2010 at 2:30 PM, David Rhodus <sdrhodus@gmail.com> wrote: > > Is there a rc.conf variable to automatically save core on a panic and reboot ? > > Setting dumpdev="AUTO" doesn't seem to do the trick. > > > > # uname -a > > FreeBSD 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Thu Jun 3 20:00:22 UTC > > 2010 root@:/usr/obj/usr/src/sys/GE amd64 > > dumpdev=AUTO in rc.conf has been broken for a while from what I've > seen, despite what rc.conf(5) suggests: > > dumpdev (str) Indicates the device (usually a swap partition) to > which a crash dump should be written in the event of a system > crash. If the value of this variable is ``AUTO'', the first > suitable swap device listed in /etc/fstab will be used as > dump device. Otherwise, the value of this variable is passed > as the argument to dumpon(8). To disable crash dumps, set > this variable to ``NO''. > > You have to explicitly note the dump device in /boot/loader.conf and > have to reboot the box (otherwise it won't pick up the appropriate > value via kenv). Kind of lame if you ask me... Err, how is it broken? It just worked for me just now on a box running HEAD. -- John Baldwin
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