From: Ming Lei <ming.lei@redhat.com>
To: Chaitanya Kulkarni <chaitanyak@nvidia.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-raid@vger.kernel.org" <linux-raid@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Dusty Mabe <dusty@dustymabe.com>, Christoph Hellwig <hch@lst.de>,
Jens Axboe <axboe@kernel.dk>, Xiao Ni <xni@redhat.com>,
Song Liu <song@kernel.org>, Nigel Croxon <ncroxon@redhat.com>
Subject: Re: regression caused by block: freeze the queue earlier in del_gendisk
Date: Wed, 7 Sep 2022 22:58:41 +0800 [thread overview]
Message-ID: <YxixoYNB0VTc8Zd+@T590> (raw)
In-Reply-To: <44ab9f7d-8f00-5f80-210e-f65f02f6fd82@nvidia.com>
On Wed, Sep 07, 2022 at 02:40:57PM +0000, Chaitanya Kulkarni wrote:
> Hi all,
>
> On 9/7/22 01:38, Ming Lei wrote:
> > On Wed, Sep 07, 2022 at 09:33:24AM +0200, Christoph Hellwig wrote:
> >> On Thu, Sep 01, 2022 at 03:06:08PM +0800, Ming Lei wrote:
> >>> It is a bit hard to associate the above commit with reported issue.
> >>
> >> So the messages clearly are about something trying to open a device
> >> that went away at the block layer, but somehow does not get removed
> >> in time by udev (which seems to be a userspace bug in CoreOS). But
> >> even with that we really should not hang.
> >
> > The new device should be allocated from md_probe() via blk_request_module(),
> > and the underlying devices are virtio-blk from the fedora BZ2121791.
> >
> > [1] https://bugzilla.redhat.com/show_bug.cgi?id=2121791
> >
> > Thanks,
> > Ming
> >
>
> It would be really helpful if mdraid experts can write blktests so it
> will get tested in the nightly builds along with other tests with
> different distros.
Can't agree more, and Cc linux-raid and our raid guys.
And looks this one is more related with imsm.
Thanks,
Ming
next prev parent reply other threads:[~2022-09-07 14:59 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-26 16:15 regression caused by block: freeze the queue earlier in del_gendisk Dusty Mabe
2022-08-28 10:24 ` Thorsten Leemhuis
2022-08-31 12:36 ` Thorsten Leemhuis
2022-09-01 7:06 ` Ming Lei
2022-09-03 13:47 ` Dusty Mabe
2022-09-07 7:33 ` Christoph Hellwig
2022-09-07 8:38 ` Ming Lei
2022-09-07 14:40 ` Chaitanya Kulkarni
2022-09-07 14:58 ` Ming Lei [this message]
2022-09-07 15:53 ` Chaitanya Kulkarni
2022-09-09 8:24 ` Ming Lei
2022-09-12 7:16 ` Christoph Hellwig
2022-09-13 1:55 ` Ming Lei
2022-09-13 2:36 ` Dusty Mabe
2022-09-20 9:11 ` Thorsten Leemhuis
2022-09-20 14:05 ` Jens Axboe
2022-09-20 14:12 ` Christoph Hellwig
2022-09-20 14:14 ` Jens Axboe
2022-09-21 9:25 ` Thorsten Leemhuis
2022-09-21 14:34 ` Jens Axboe
2022-09-21 14:47 ` Greg KH
2022-09-21 14:56 ` Jens Axboe
2022-09-26 7:09 ` Greg KH
2022-09-07 7:22 ` Christoph Hellwig
2022-09-07 14:56 ` Dusty Mabe
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