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Date: Mon, 27 Sep 2021 16:02:59 -0700
From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Murphy Zhou <jencce.kernel@gmail.com>, nvdimm@lists.linux.dev,
	linux-fsdevel@vger.kernel.org
Subject: Re: [regression] fs dax xfstests panic
Message-ID: <20210927230259.GA2706839@magnolia>
References: <20210927061747.rijhtovxafsot32z@xzhoux.usersys.redhat.com>
 <20210927115116.GB23909@lst.de>
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In-Reply-To: <20210927115116.GB23909@lst.de>

On Mon, Sep 27, 2021 at 01:51:16PM +0200, Christoph Hellwig wrote:
> On Mon, Sep 27, 2021 at 02:17:47PM +0800, Murphy Zhou wrote:
> > Hi folks,
> > 
> > Since this commit:
> > 
> > commit edb0872f44ec9976ea6d052cb4b93cd2d23ac2ba
> > Author: Christoph Hellwig <hch@lst.de>
> > Date:   Mon Aug 9 16:17:43 2021 +0200
> > 
> >     block: move the bdi from the request_queue to the gendisk
> > 
> > 
> > Looping xfstests generic/108 or xfs/279 on mountpoints with fsdax
> > enabled can lead to panic like this:
> 
> Does this still happen with this series:
> 
> https://lore.kernel.org/linux-block/20210922172222.2453343-1-hch@lst.de/T/#m8dc646a4dfc40f443227da6bb1c77d9daec524db
> 
> ?

My test machinse all hit this when writeback throttling is enabled, so

Tested-by: Darrick J. Wong <djwong@kernel.org>

--D