From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: kernel BUG at drivers/md/persistent-data/dm-btree-remove.c:182! Date: Mon, 19 Oct 2015 12:02:31 -0400 Message-ID: <20151019160230.GA23826@redhat.com> References: <5624B4B8.1030404@siteground.com> <5624B505.6000406@siteground.com> <20151019103057.GA14688@rh-vpn> <5624C9CB.7000702@siteground.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <5624C9CB.7000702@siteground.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Nikolay Borisov Cc: device-mapper development , thornber@redhat.com, SiteGround Operations List-Id: dm-devel.ids On Mon, Oct 19 2015 at 6:45am -0400, Nikolay Borisov wrote: > > > On 10/19/2015 01:30 PM, Joe Thornber wrote: > > On Mon, Oct 19, 2015 at 12:16:53PM +0300, Nikolay Borisov wrote: > >> [Resending as I had typo in the dm-devel's mailing list the first time] > >> > >> Hello, > >> > >> Using kernel 3.12.47 I've hit the aforementioned issue. I'd also like > >> to say that this kernel does include Dennis Yang's patch which > >> supposedly fixes a similar issue > >> (https://www.redhat.com/archives/dm-devel/2015-May/msg00113.html). > > > > > > Did you apply this patch or my corrected patch? > > > > https://www.redhat.com/archives/dm-devel/2015-May/msg00123.html > > I haven't applied anything per-se, rather this stable kernel does > include your corrected patch. So yes, the correct fix for the issue > reported by Dennis is included, yet apparently the same issue is > manifesting again. Are you using metadata snapshots at all? Do you have this commit applied? b0dc3c8bc15 ("dm btree: add ref counting ops for the leaves of top level btrees")