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From: Nikolay Borisov <n.borisov@siteground.com>
To: Dennis Yang <shinrairis@gmail.com>,
	device-mapper development <dm-devel@redhat.com>,
	SiteGround Operations <operations@siteground.com>,
	thornber@redhat.com
Subject: Re: kernel BUG at drivers/md/persistent-data/dm-btree-remove.c:182!
Date: Thu, 22 Oct 2015 10:59:32 +0300	[thread overview]
Message-ID: <56289764.4010009@siteground.com> (raw)
In-Reply-To: <20151021174939.GA3144@rh-vpn>



On 10/21/2015 08:49 PM, Joe Thornber wrote:
> On Tue, Oct 20, 2015 at 10:39:31AM +0800, Dennis Yang wrote:
>> Hi,
>>
>> After I analyzed the metadata of this case couple months ago, I find
>> out that there is another possible bug which might trigger this
>> assertion fail in shift(). I had posted a patch two months ago on the
>> list to explain and fix this issue. Could you help reviewing this?
>>
>> https://www.redhat.com/archives/dm-devel/2015-August/msg00155.html
> 
> Yep, that's a bug.  Sorry I missed it before when you posted.  Here's
> my fix:

Thanks for that, I will apply this and report back if I experience the
same issue. But looking at your test case I'm confident this should fix
the issue. Dennis' patch in contrast still causes the within_one assert
to fail.

Are you going to tag this for stable ?

  reply	other threads:[~2015-10-22  7:59 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <5624B4B8.1030404@siteground.com>
2015-10-19  9:16 ` Fwd: kernel BUG at drivers/md/persistent-data/dm-btree-remove.c:182! Nikolay Borisov
2015-10-19 10:30   ` Joe Thornber
2015-10-19 10:45     ` Nikolay Borisov
2015-10-19 16:02       ` Mike Snitzer
2015-10-20  2:39         ` Dennis Yang
2015-10-20  7:35           ` Nikolay Borisov
2015-10-20 14:35             ` Joe Thornber
2015-10-21 17:49           ` Joe Thornber
2015-10-22  7:59             ` Nikolay Borisov [this message]
2015-10-20 12:57         ` Nikolay Borisov
2015-10-20 14:35           ` Joe Thornber

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