From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Joe Jin <joe.jin@oracle.com>
Cc: Daniel Stodden <daniel.stodden@citrix.com>,
Jens Axboe <jaxboe@fusionio.com>,
annie.li@oracle.com,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
Ian Campbell <ian.campbell@citrix.com>,
Kurt C Hackel <KURT.HACKEL@oracle.com>,
Greg Marsden <greg.marsden@oracle.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: xen-blkfront: Don't send closing notification to backend in blkfront_closing()
Date: Sat, 9 Jul 2011 09:11:53 -0400 [thread overview]
Message-ID: <20110709131153.GA25916@dumpdata.com> (raw)
In-Reply-To: <4E17A01F.8060505@oracle.com>
> >> 5. umount the partition/disk in guest, command hung. exactly at here, any
> >> IO request to the partition/disk will hang.
> >
> > I get that with the patch and without it:
> >
> > sh-4.1#
> > sh-4.1# [ 519.814048] block xvda: device/vbd/51712 was hot-unplugged, 1 stale handles
> >
> > sh-4.1# df -h
> > Filesystem Size Used Avail Use% Mounted on
> > none 490M 120K 490M 1% /dev
> > none 490M 131M 359M 27% /lib/modules/3.0.0-rc6-00052-g3edce4b-dirty
> > shm 10M 0 10M 0% /dev/shm
> > var_tmp 10M 0 10M 0% /var/tmp
> > /dev/xvda 20G 173M 19G 1% /test
> > sh-4.1# umount /test
> >
> > Any ideas?
>
> This caused by backend kthread stopped, any IO request to the real device will hang, that
> is the patch intend to resolving.
I get this hang with the patch (and without). Is there a corresponding patch to the backend?
(The backend is the same exact version as DomU - 3.0-rc6 + #stable/for-jens).
next prev parent reply other threads:[~2011-07-09 13:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-08 7:14 xen-blkfront: Don't send closing notification to backend in blkfront_closing() Joe Jin
2011-07-08 16:04 ` Konrad Rzeszutek Wilk
2011-07-09 0:26 ` Joe Jin
2011-07-09 13:11 ` Konrad Rzeszutek Wilk [this message]
2011-07-11 7:53 ` Joe Jin
2011-07-12 3:31 ` Joe Jin
2011-07-12 15:04 ` Konrad Rzeszutek Wilk
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20110709131153.GA25916@dumpdata.com \
--to=konrad.wilk@oracle.com \
--cc=KURT.HACKEL@oracle.com \
--cc=annie.li@oracle.com \
--cc=daniel.stodden@citrix.com \
--cc=greg.marsden@oracle.com \
--cc=ian.campbell@citrix.com \
--cc=jaxboe@fusionio.com \
--cc=jeremy.fitzhardinge@citrix.com \
--cc=joe.jin@oracle.com \
--cc=linux-kernel@vger.kernel.org \
--cc=xen-devel@lists.xensource.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).