Date: Sun, 8 Sep 2013 23:14:44 +0200 From: Jeremie Le Hen <jlh@FreeBSD.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: Jeremie Le Hen <jlh@FreeBSD.org>, Matthew Ahrens <mahrens@delphix.com>, freebsd-current@FreeBSD.org Subject: Re: Panic in ZFS: solaris assert: dn->dn_datablkshift != 0 Message-ID: <20130908211444.GP43281@caravan.chchile.org> In-Reply-To: <BA94DEA4D1784992886B67FB678FD92D@multiplay.co.uk> References: <20130907123545.GK43281@caravan.chchile.org> <20130908085444.GL43281@caravan.chchile.org> <B1C833B7D9B246149154AADD699F4C10@multiplay.co.uk> <20130908145804.GN43281@caravan.chchile.org> <727DCAE377634C0AB4D506FCCA167219@multiplay.co.uk> <20130908203459.GO43281@caravan.chchile.org> <BA94DEA4D1784992886B67FB678FD92D@multiplay.co.uk>
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On Sun, Sep 08, 2013 at 10:05:55PM +0100, Steven Hartland wrote: > > On Sun, Sep 08, 2013 at 09:02:48PM +0100, Steven Hartland wrote: > >> > On Sun, Sep 08, 2013 at 03:17:09PM +0100, Steven Hartland wrote: > >> >> I believe this was added by this change set:- > >> >> http://svnweb.freebsd.org/base?view=revision&revision=253821 > >> >> > >> >> Might want to try back out that change and see if everything > >> >> works after that? > >> > > >> > Actually, I already rolled back my kernel to August 1st: > >> > > >> > # svn info . > >> > Path: . > >> > Working Copy Root Path: /usr/src > >> > URL: http://svn0.us-west.freebsd.org/base/head/sys > >> > Repository Root: http://svn0.us-west.freebsd.org/base > >> > Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f > >> > Revision: 253847 > >> > Node Kind: directory > >> > Schedule: normal > >> > Last Changed Author: ian > >> > Last Changed Rev: 253847 > >> > Last Changed Date: 2013-07-31 21:14:00 +0200 (Wed, 31 Jul 2013) > >> > > >> > > >> > And the problem seems to have gone away. I could perform a full zfs > >> > send/receive whereas it would trigger a panic 100% of the time with a > >> > recent kernel. > >> > >> I still think r253821 is the cause the reason being is prior to r253996 > >> ASSERTS in ZFS where not actually active in HEAD. > >> > >> So if you could roll forward but then backout r253821 and confirm this > >> is indeed the cause that would be a good starting point. > >> > >> If this is indeed the cause be worth engaging Matthew Ahrens cc'ed to > >> find out the reasoning behind the new ASSERT why you may be hitting it? > > > > > > Errm, was there meant to be some content in your reply Jeremie, as it seems > to be missing? Indeed, probably a bad key combo in vi :). I'm reverting r253821 and r254753 (the second one was supposingly fixing the first one) and recompiling my kernel. I will let you know. -- Jeremie Le Hen Scientists say the world is made up of Protons, Neutrons and Electrons. They forgot to mention Morons.
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