Date: Wed, 7 Aug 2013 16:38:17 -0700 From: George Hartzell <hartzell@alerce.com> To: Andriy Gapon <avg@FreeBSD.org> Cc: freebsd-stable@FreeBSD.org, hartzell@alerce.com Subject: Re: Help with filing a [maybe] ZFS/mmap bug. Message-ID: <20994.55913.93606.436124@gargle.gargle.HOWL> In-Reply-To: <520202E5.30300@FreeBSD.org> References: <20967.760.95825.310085@gargle.gargle.HOWL> <51E80B30.1090004@FreeBSD.org> <20968.10645.880772.30501@gargle.gargle.HOWL> <520202E5.30300@FreeBSD.org>
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Andriy Gapon writes: > on 18/07/2013 20:44 George Hartzell said the following: > > Andriy Gapon writes: > > > on 17/07/2013 23:47 George Hartzell said the following: > > > > How should I move forward with this? > > > > > > Could you please try to reproduce this problem using a kernel built with > > > INVARIANTS options? > > > > I added INVARIANT_SUPPORT and INVARIANTS options to the GENERIC > > kernel, rebuilt it, installed it and running through my "test case" > > generated a lot of invalid flac files. I"m not sure what the options > > are/were supposed to do though, it looks like they generally lead to > > KASSERTS, which lead to abort()'s. Nothing in /var/log/messages or on > > the console. > > George, > > do you have anything new on this issue? Since the message that you quoted I narrowed down my "test case" somewhat but I have not yet produced a stand-alone tool that reproduces it (you still have to go through picard et al.). > Could you please try the following patch? > http://people.freebsd.org/~avg/zfs-putpages.diff > > I expect it to not really fix the issue, but it may help to narrow it down. > Please keep INVARIANTS. Absolutely. Probably not until the weekend, but I'll give it a go. Thanks for following up. g.
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