Date: Thu, 11 Aug 2011 16:12:59 -0400 (EDT) From: Rick Macklem <rmacklem@uoguelph.ca> To: Steven Hartland <killing@multiplay.co.uk> Cc: freebsd-stable@FreeBSD.org, Andriy Gapon <avg@FreeBSD.org> Subject: Re: debugging frequent kernel panics on 8.2-RELEASE Message-ID: <1030083399.38743.1313093579690.JavaMail.root@erie.cs.uoguelph.ca> In-Reply-To: <6F08A8DE780545ADB9FA93B0A8AA4DA1@multiplay.co.uk>
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Steven Hartland wrote: > ----- Original Message ----- > From: "Andriy Gapon" <avg@FreeBSD.org> > > >>> I would really appreciate if you could try to reproduce the > >>> problem with the patch that I sent earlier. > >> > >> Hi Andriy, what's the risk of this patch causing other issues? > > > > I can not estimate. > > The code is supposed to affect only things that happen after panic, > > so make your guess. > > So in theory should be good. > > >> I ask as to get results from this we've going to have to roll it > >> out to over 130+ production machines, so I'd like to be clear on > >> the risks before I sign that off. > > > > I will be happy if you try the patch on a single machine > > provided the problem is that reproducible. > > Unfortunately although its happening a lot its taking the > large numbers of machines to make it that way. > > Over the 130+ machines we're seeing between 3 and 8 panics > a day, so based on that we could be waiting quite some time > for a specific machine to panic :( > > Don't think we're going to make any progress on this in the current > state so I think we'll give it a shot. > Just a random thought that is probably not relevent, but... Is it possible that some change for the upgrade is making the machines run hotter and they're failing when they overhead? rick > Regards > Steve > > ================================================ > This e.mail is private and confidential between Multiplay (UK) Ltd. > and the person or entity to whom it is addressed. In the event of > misdirection, the recipient is prohibited from using, copying, > printing or otherwise disseminating it or any information contained in > it. > > In the event of misdirection, illegible or incomplete transmission > please telephone +44 845 868 1337 > or return the E.mail to postmaster@multiplay.co.uk. > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to > "freebsd-stable-unsubscribe@freebsd.org"
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