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From: "Theodore Y. Ts'o" <tytso@mit.edu>
To: Jan Kara <jack@suse.cz>
Cc: sandeen@redhat.com, "Darrick J. Wong" <darrick.wong@oracle.com>,
	linux-nvdimm@lists.01.org, Dave Chinner <david@fromorbit.com>,
	Lukas Czerner <lczerner@redhat.com>,
	linux-ext4@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v4 1/2] dax: dax_layout_busy_page() warn on !exceptional
Date: Mon, 13 Aug 2018 08:46:02 -0400	[thread overview]
Message-ID: <20180813124602.GA26513@thunk.org> (raw)
In-Reply-To: <20180813101252.GC8927@quack2.suse.cz>

On Mon, Aug 13, 2018 at 12:12:52PM +0200, Jan Kara wrote:
> > The generic/081 regression appears to be a device-mapper issue...
> 
> I'll see if this reproduces for me. Doesn't seem to be related to the DAX
> patches you caary though.

It does seem to be a DAX-specific failure though.

> > The generic/344 failure seems to be caused by a WARNING triggered in
> > the nvdimm code:
> 
> OK, apparently this is nothing new for you as generic/344 fails for you
> even with 3.17. But it should not :). I'll try to see if I can reproduce
> this in my test setup during more test runs (I don't remember seeing it
> during occasional runs I do) and debug it further.

Thanks!

In case it wasn't clear, I wasn't planning on letting these failures
prevent the patches from going upstream.  As you say, the generic/081
failure looks unrelated to ext4, and the generic/344 isn't a
regression.

						- Ted
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  reply	other threads:[~2018-08-13 12:46 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-10 19:10 [PATCH v4 0/2] ext4: fix DAX dma vs truncate/hole-punch Ross Zwisler
2018-07-10 19:10 ` [PATCH v4 1/2] dax: dax_layout_busy_page() warn on !exceptional Ross Zwisler
2018-08-10 19:52   ` Eric Sandeen
2018-08-10 20:33     ` Theodore Y. Ts'o
2018-08-11  2:10       ` Theodore Y. Ts'o
2018-08-13 10:12         ` Jan Kara
2018-08-13 12:46           ` Theodore Y. Ts'o [this message]
2018-08-24 15:44           ` Jan Kara
2018-08-27 16:09           ` Jan Kara
2018-07-10 19:10 ` [PATCH v4 2/2] ext4: handle layout changes to pinned DAX mappings Ross Zwisler
2018-07-11  8:17 ` [PATCH v4 0/2] ext4: fix DAX dma vs truncate/hole-punch Jan Kara
2018-07-11 15:41   ` Ross Zwisler
2018-07-25 22:28   ` Ross Zwisler
2018-07-27 16:28     ` Ross Zwisler
2018-08-06  3:55       ` Dave Chinner
2018-08-06 15:49         ` Christoph Hellwig
2018-08-06 22:25           ` Dave Chinner
2018-08-07  8:45       ` Jan Kara
2018-09-10 22:18         ` Eric Sandeen
2018-09-11 15:14           ` Jan Kara
2018-09-11 15:20             ` Jan Kara
2018-09-11 17:28               ` Theodore Y. Ts'o
2018-09-11 18:21                 ` Eric Sandeen
2018-07-31 19:44 ` Ross Zwisler

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