Date: Tue, 2 Sep 2008 10:35:49 -0400 From: John Baldwin <jhb@freebsd.org> To: Kostik Belousov <kostikbel@gmail.com> Cc: Kirk Strauser <kirk@strauser.com>, freebsd-current@freebsd.org Subject: Re: System, diagnose thyself: auto-documentation for crashes Message-ID: <200809021035.49822.jhb@freebsd.org> In-Reply-To: <20080830084824.GE2038@deviant.kiev.zoral.com.ua> References: <BDDFB834-C15F-4E48-B1D1-B644940FBE42@strauser.com> <200808291726.16799.jhb@freebsd.org> <20080830084824.GE2038@deviant.kiev.zoral.com.ua>
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On Saturday 30 August 2008 04:48:24 am Kostik Belousov wrote: > On Fri, Aug 29, 2008 at 05:26:16PM -0400, John Baldwin wrote: > > On Friday 29 August 2008 05:07:15 pm Kirk Strauser wrote: > > > On Aug 29, 2008, at 10:44 AM, John Baldwin wrote: > > > > > > > See /usr/sbin/crashinfo for a start. I have patches to enable it > > > > from /etc/rc.d/savecore after generating a patch (still need to test > > > > them > > > > though). > > > > > > > > > I'm not finding that anywhere, either on my systems or on Google. > > > > It's in HEAD. > > > > http://www.freebsd.org/cgi/cvsweb.cgi/src/usr.sbin/crashinfo/crashinfo.sh > > John, why not MFCing it ? MFC cannot break anything :), it is a standalone > utility, and it definitely useful to have bigger test base. It is on the list, I've just been a bit busy recently. :) Also, I didn't want to merge it to 7.x until I fixed vmstat and iostat to work on core dumps again. > I propose to add some note to the manpage, explicitely mentioning > experimantal status of utility, and the fact that both user interface > and output format are subject to change. I imagine this is the only > obstacle for MFC. Actually, Y! has used a script like this in production for years, so I don't foresee much in the way of changes in the future. One change would be to add a run of ddb to dump the capture buffer from a crash dump. Another change would be to re-enable w(1) if it ever becomes useful on crash dumps again. -- John Baldwin
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