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

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Message-ID: <fe6f9dae03f65fb4f35330556a43112a38b6b6d6.camel@redhat.com>
Date:   Mon, 26 Oct 2020 10:51:07 -0400
From:   Qian Cai <cai@...hat.com>
To:     Jens Axboe <axboe@...nel.dk>, Matthew Wilcox <willy@...radead.org>,
        Jan Kara <jack@...e.cz>
Cc:     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 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.

This should work:

https://gitlab.com/cailca/linux-mm/-/blob/master/x86.config