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Date:   Wed, 31 May 2023 17:00:40 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Bart Van Assche <bvanassche@acm.org>
Cc:     Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
        Damien Le Moal <dlemoal@kernel.org>,
        linux-block@vger.kernel.org
Subject: Re: [PATCH 4/7] blk-mq: use the I/O scheduler for writes from the
 flush state machine
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On Wed, May 31, 2023 at 06:34:49AM -0700, Bart Van Assche wrote:
> On 5/30/23 07:55, Christoph Hellwig wrote:
>> No, I mean block/001
>
> Test block/001 also passes on my test setup. That setup is as follows:
> * Kernel commit 0cac5b67c168 ("Merge branch 'for-6.5/block' into
>   for-next").
> * Multiple debugging options enabled in the kernel config (DEBUG_LIST,
>   PROVE_LOCKING, KASAN, UBSAN, ...).
>
> I ran this test twice: once with /dev/vdb as test device and once with 
> /dev/ram0 as test device.

Hi Bart,

I did a quick re-run on the latest for-6.5/block tree and can't reproduce
the hang.  Let me see if it is still there with my old branch or if
something else made it go away.