From: Christoph Hellwig <hch@infradead.org>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Yi Zhang <yi.zhang@redhat.com>,
linux-block <linux-block@vger.kernel.org>,
"open list:NVM EXPRESS DRIVER" <linux-nvme@lists.infradead.org>
Subject: Re: [bug report] blktests nvme/tcp triggered WARNING at kernel/workqueue.c:2628 check_flush_dependency+0x110/0x14c
Date: Tue, 19 Jul 2022 23:18:06 -0700 [thread overview]
Message-ID: <YteeHq8TJBncRvZu@infradead.org> (raw)
In-Reply-To: <5ce566fd-f871-48dc-1cb7-30b745c58f05@grimberg.me>
On Sun, Jul 10, 2022 at 12:41:33PM +0300, Sagi Grimberg wrote:
>
> > Hello
> >
> > I reproduced this issue on the linux-block/for-next, pls help check
> > it, feel free to let me know if you need info/test, thanks.
>
>
> These reports are making me tired... Should we just remove
> MEM_RECLAIM from all nvme/nvmet workqueues are be done with
> it?
>
> The only downside is that nvme reset/error-recovery will
> also be susceptible for low-memory situation...
We can't just do that. We need to sort out the dependency chains
properly.
next prev parent reply other threads:[~2022-07-20 6:18 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-08 16:03 [bug report] blktests nvme/tcp triggered WARNING at kernel/workqueue.c:2628 check_flush_dependency+0x110/0x14c Yi Zhang
2022-07-10 9:41 ` Sagi Grimberg
2022-07-19 16:08 ` Yi Zhang
2022-07-20 6:18 ` Christoph Hellwig [this message]
2022-07-21 22:13 ` Sagi Grimberg
2022-07-22 4:46 ` Christoph Hellwig
2022-07-24 8:21 ` Sagi Grimberg
2022-07-29 7:37 ` Yi Zhang
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