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From: Chris Leech <cleech@redhat.com>
To: Sagi Grimberg <sagi@grimberg.me>, Yi Zhang <yi.zhang@redhat.com>,
	linux-nvme@lists.infradead.org
Subject: Re: [bug report] WARNING: possible circular locking dependency detected with blktests nvme-tcp nvme/013
Date: Tue, 15 Feb 2022 07:18:17 -0800	[thread overview]
Message-ID: <03b33f30-aff7-84e4-8415-782d204177fe@redhat.com> (raw)
In-Reply-To: <e6062357-beb7-7150-1e88-1109babcb86a@redhat.com>

On 2/14/22 8:21 PM, Chris Leech wrote:
> Also, I might have a sleeping function called in atomic context report
> with a similar enough call trace to take a closer look at the direct send.

That looks to be a backport run with device mapper multipath, and a
repeat of the dm-rq BLK_MQ_F_BLOCKING discussion on linux-block.

I currently don't see a reason why the lockdep annotation wouldn't be
enough for this.  I'll send a real patch if that's the way we want to go.

- Chris



  reply	other threads:[~2022-02-15 15:18 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-28 11:20 [bug report] WARNING: possible circular locking dependency detected with blktests nvme-tcp nvme/013 Yi Zhang
2021-09-29 11:06 ` Sagi Grimberg
2022-02-11  5:38   ` Yi Zhang
2022-02-15  4:21   ` Chris Leech
2022-02-15 15:18     ` Chris Leech [this message]
2022-02-20 12:56       ` Sagi Grimberg

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