From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "yangx.jy@fujitsu.com" <yangx.jy@fujitsu.com>
Cc: Tejun Heo <tj@kernel.org>, Bjorn Helgaas <bhelgaas@google.com>,
Jason Gunthorpe <jgg@ziepe.ca>, Leon Romanovsky <leon@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-rdma@vger.kernel.org" <linux-rdma@vger.kernel.org>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>
Subject: Re: [bug report from blktests nvme/032] WARNING: possible circular locking dependency detected
Date: Tue, 28 Jun 2022 08:07:52 +0200 [thread overview]
Message-ID: <YrqauCHdcieF5+C7@kroah.com> (raw)
In-Reply-To: <4ed3028b-2d2f-8755-fec2-0b9cb5ad42d2@fujitsu.com>
On Tue, Jun 28, 2022 at 04:03:55AM +0000, yangx.jy@fujitsu.com wrote:
> Hi everyone,
>
> Running blktests nvme/032 on kernel v5.19-rc2+ which enables
> CONFIG_LOCKDEP and CONFIG_PROVE_LOCKING triggered the below WARNING.
What was happening when this trace was created? It looks like you were
manually removing a PCI device from the system through sysfs? Why would
blktests do that?
thanks,
greg k-h
next prev parent reply other threads:[~2022-06-28 6:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-28 4:03 [bug report from blktests nvme/032] WARNING: possible circular locking dependency detected yangx.jy
2022-06-28 6:07 ` Greg Kroah-Hartman [this message]
2022-06-28 6:09 ` Christoph Hellwig
2022-06-28 6:12 ` Greg Kroah-Hartman
2022-06-28 6:18 ` Christoph Hellwig
2022-07-05 0:48 ` Shinichiro Kawasaki
2022-07-19 2:05 ` yangx.jy
2022-07-19 4:42 ` Shinichiro Kawasaki
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