Date: Thu, 23 Sep 2010 20:31:43 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: gavin@FreeBSD.org Cc: bruce@cran.org.uk, src-committers@FreeBSD.org, jhb@FreeBSD.org, kensmith@buffalo.edu, svn-src-all@FreeBSD.org, avg@FreeBSD.org, svn-src-head@FreeBSD.org Subject: Re: svn commit: r212964 - head/sys/kern Message-ID: <20100923.203143.19192035494300157.imp@bsdimp.com> In-Reply-To: <alpine.LNX.2.00.1009231841500.23791@ury.york.ac.uk> References: <20100922222441.00002f27@unknown> <1285253887.95760.33.camel@bauer.cse.buffalo.edu> <alpine.LNX.2.00.1009231841500.23791@ury.york.ac.uk>
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In message: <alpine.LNX.2.00.1009231841500.23791@ury.york.ac.uk>
Gavin Atkinson <gavin@FreeBSD.org> writes:
: On Thu, 23 Sep 2010, Ken Smith wrote:
: > The issues talked about so far all contribute to the reason for that.
: > But one of the more basic gut reactions to it all is that the users
: > want to be interested in helping with the debugging (even if just
: > providing the requested info) for any sort of crash information
: > to be useful. And at the point we shift something from -current
: > to -stable the percentage of people actively interested in participating
: > in that sort of stuff flip. The bulk of people using -current
: > know it's risky and they do it out of some interest in debugging
: > stuff. The *bulk* of people using -stable are less interested or
: > flat out not interested. And have no clue what crash dumps are,
: > may be challenged to notice partition-getting-full issues, etc.
:
: I'm not sure I buy this argument, I'm afraid. Part of the advantage of
: having all this done automatically on the as-shipped release media is that
: end users don't have to be interested in debugging - crashinfo(8) does
: most of the work for them. There's no easy way to actually determine
: figures, but even if say only 10-15% of crashes can be diagnosed and
: corrected just from the output of crashinfo(8) then that's a huge win for
: the project as a whole. I'm guessing 10-15% is not unrealistic.
:
: I appreciate the issue about filling partitions is a valid one. Would a
: possible compromise be that on release media, crashinfo(8) or similar will
: default to only keeping the most recent coredump or similar? Given /var
: now defaults to 4GB, Defaulting to keeping a single core is probably
: acceptable.
Furthermore, if we aren't interested in crash dumps by default, why do
we install the huge .symbols files?
Warner
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