linux-kernel - Re: kernel BUG at mm/page-writeback.c:2241 [ BUG

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Message-ID: <37abe67a5a7d83b361932464b4af499fdeaf5ef7.camel@redhat.com>
Date:   Wed, 04 Nov 2020 10:40:03 -0500
From:   Qian Cai <cai@...hat.com>
To:     Jan Kara <jack@...e.cz>
Cc:     Jens Axboe <axboe@...nel.dk>, Matthew Wilcox <willy@...radead.org>,
        Christoph Hellwig <hch@...radead.org>,
        "Darrick J. Wong" <darrick.wong@...cle.com>,
        linux-xfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: kernel BUG at mm/page-writeback.c:2241 [
 BUG_ON(PageWriteback(page); ]

On Wed, 2020-11-04 at 16:16 +0100, Jan Kara wrote:
> On Mon 26-10-20 10:26:26, Qian Cai wrote:
> > On Mon, 2020-10-26 at 07:55 -0600, Jens Axboe wrote:
> > > I've tried to reproduce this as well, to no avail. Qian, could you perhaps
> > > detail the setup? What kind of storage, kernel config, compiler, etc.
> > > 
> > 
> > So far I have only been able to reproduce on this Intel platform:
> > 
> > HPE DL560 gen10
> > Intel(R) Xeon(R) Gold 6154 CPU @ 3.00GHz
> > 131072 MB memory, 1000 GB disk space (smartpqi nvme)
> 
> Did you try running with the debug patch Matthew sent? Any results?
Running every day, but no luck so far.