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Re: crash in xfs in current

To: Reinoud Koornstra <reinoudkoornstra@xxxxxxxxx>
Subject: Re: crash in xfs in current
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Thu, 9 Jun 2016 12:22:38 +1000
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Eric Sandeen <sandeen@xxxxxxxxxxx>, Daniel Wagner <wagi@xxxxxxxxx>, viro@xxxxxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <CAAA5faEDdR_L6y9ShhUcermgvjtmzNCzwoYeENjx+8RUEMdwaA@xxxxxxxxxxxxxx>
References: <CAAA5faG3Ls0Dh_bx=950db9BV01zoLfmubKbM0UYkWpS0y60BA@xxxxxxxxxxxxxx> <79c8e051-24a9-2e2b-553a-bcab17d03e83@xxxxxxxxxxx> <20160607062717.GA30022@xxxxxxxxxxxxx> <c0b9776e-6917-13f2-1948-e7d51f72a909@xxxxxxxxx> <CAAA5faEvt-vrvrkWC8-9Fys0WHN2TBQz7-Y-mtU8FaRHxUM6rw@xxxxxxxxxxxxxx> <48817b4c-26f4-5eb6-8a97-d8fa34fe7f6a@xxxxxxxxx> <20160607134442.GA1803@xxxxxxxxxxxxx> <CAAA5faFWyPDienm2NbHkafZh-RvbjJp6f_zDq62z6rC1d1Vzyw@xxxxxxxxxxxxxx> <CAAA5faGXHJZPWkkxDM-kvHqh--hPhnD1Y8RuaaSmuzgiz=_LDg@xxxxxxxxxxxxxx> <CAAA5faEDdR_L6y9ShhUcermgvjtmzNCzwoYeENjx+8RUEMdwaA@xxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Tue, Jun 07, 2016 at 10:40:11PM -0600, Reinoud Koornstra wrote:
> On Tue, Jun 7, 2016 at 10:16 PM, Reinoud Koornstra
> <reinoudkoornstra@xxxxxxxxx> wrote:
> > On Tue, Jun 7, 2016 at 5:40 PM, Reinoud Koornstra
> > <reinoudkoornstra@xxxxxxxxx> wrote:
> >> Hi Christoph,
> >>
> >> Now my git log show this:
> >>
> >> commit 555b67e4e729ca544bb4028ab12e532c68b70ddb
> >> Merge: 544ad71 ad438c4
> >> Author: Dave Chinner <david@xxxxxxxxxxxxx>
> >> Date:   Fri May 20 10:34:00 2016 +1000
> >>
> >>    Merge branch 'xfs-4.7-inode-reclaim' into for-next
> >>
> >> commit 544ad71fc8e20fb3a6f50f00d487751492cd8409
> >> Merge: 2a4ad58 e6b3bb7
> >> Author: Dave Chinner <david@xxxxxxxxxxxxx>
> >> Date:   Fri May 20 10:33:38 2016 +1000
> >>
> >>    Merge branch 'xfs-4.7-error-cfg' into for-next
> >>
> >> commit 2a4ad5894c819978dca5595396d54d51c3aca694
> >> Merge: a7792aa 6e3e6d5
> >> Author: Dave Chinner <david@xxxxxxxxxxxxx>
> >> Date:   Fri May 20 10:33:17 2016 +1000
> >>
> >>    Merge branch 'xfs-4.7-misc-fixes' into for-next
> >>
> >> commit a7792aad644a259375002db8c9d9e03fd50bf509
> >> Merge: 5b911354 3ab3ffc
> >> Author: Dave Chinner <david@xxxxxxxxxxxxx>
> >> Date:   Fri May 20 10:32:35 2016 +1000
> >>
> >> Is this correct?
> >> If so, let me build and test.
> >> Building it already as we speak, but it would be nice if you could
> >> confirm I'm actually testing the right thing.
> >> Though, wouldn't it be good to repro and get a core file as well?
> >> Or would the test of this commit narrow down the possibilities as well?
> >> Thanks,
> >>
> >> Reinoud.
> >>
> >
> > Ouch, forgive me for not responding inline previously.
> > For what it's worth, i've compiled the kernel and are running it as we 
> > speak.
> > Will do testing and let you know.
> 
> Ok, going back to commit 555b67e4e729ca544bb4028ab12e532c68b70ddb
> brings the kernel back to 4.6-rc1.
> With that kernel I crash all over the place, so that's something I cannot run.
> Is there a way to get the 4.7-rc1 or rc2 without the commits for XFS?

In your Linus git tree:

$ git remote add xfsdev git://git.kernel.org/git/dgc/linux-xfs.git
$ git remote update
$ git checkout -b xfsdev-merge v4.6
$ git merge xfsdev/xfs-for-linus-4.7-rc1

And that should give you the XFS changes for 4.7-rc1 in a vanilla 4.6
tree. This merge is one of the things I test (i.e. send to my test
machiens for a round of xfstests and other stress) before sending a
pull request to Linus, so it should work just fine.

Cheers,

Dave.
-- 
Dave Chinner
david@xxxxxxxxxxxxx

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