From: Shinichiro Kawasaki <shinichiro.kawasaki@wdc.com>
To: "yangx.jy@fujitsu.com" <yangx.jy@fujitsu.com>
Cc: "hch@infradead.org" <hch@infradead.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
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, 19 Jul 2022 04:42:17 +0000 [thread overview]
Message-ID: <20220719044216.p55474yfbwra2p5v@shindev> (raw)
In-Reply-To: <33e90f37-c201-9ac6-f65e-3646341dcc2c@fujitsu.com>
On Jul 19, 2022 / 02:05, yangx.jy@fujitsu.com wrote:
> On 2022/7/5 8:48, Shinichiro Kawasaki wrote:
> > On Jun 27, 2022 / 23:18, Christoph Hellwig wrote:
> >> On Tue, Jun 28, 2022 at 08:12:51AM +0200, Greg Kroah-Hartman wrote:
> >>> Ah, so it's a fake PCI device, or is it a real one?
> >>
> >> Whatever the blktests configuration points to. But even if it is
> >> "fake" that fake would come from the hypervisor.
> >
> > FYI, the WARN was observed with real PCI NVMe device also. I observed the WARN
> > with v5.19-rc1 and still observe with v5.19-rc5. I'm not sure which version
> > introduced the WARN.
> >
> > I once reported this failure, and shared with linux-pci list.
> >
> > https://lore.kernel.org/linux-block/20220614010907.bvbrgbz7nnvpnw5w@shindev/
> >
>
> Hi Shinichiro,
>
> I wonder if the failure has been fixed? If so, could you tell me the fix
> patch?
No, I'm not aware of fix for the failure yet. At v5.19-rc6, I still observe the
failure.
--
Shin'ichiro Kawasaki
prev parent reply other threads:[~2022-07-19 5:06 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
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 [this message]
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