From: Keir Fraser <keir@xen.org>
To: Lakshitha Harshan <harshan.dll@gmail.com>, xen-devel@lists.xensource.com
Subject: Re: Memory Sharing
Date: Sat, 09 Apr 2011 09:36:01 +0100 [thread overview]
Message-ID: <C9C5D901.2C57E%keir@xen.org> (raw)
In-Reply-To: <BANLkTimPJeKWJboj+bZ4EwrNHJ_=xNCEEA@mail.gmail.com>
On 09/04/2011 07:37, "Lakshitha Harshan" <harshan.dll@gmail.com> wrote:
> Hi guys,
>
> I'm receiving following errors when trying to create a VM.
>
> Error: Failed to create device.
> stdout:
> stderr: MEMSHR support not compiled in.
> Check that target "home/images/ubuntuX.img" exists and that blktap2 driver
> installed in dom0.
>
> In configuration file this is how i specify my disks.
>
> disk = ['tap2:tapdisk:aio:home/images/ubuntuX.img,hda,w',
> 'phy:/dev/sr0,hdc:cdrom,r' ]
>
> But if I use
> tapdisk2 -n aio:/home/images/ubuntuX.img command it executes and returns
> "/dev/xen/blktap-2/tapdev0".
>
> What I want is to test the memory sharing feature. So can anybody tell me how
> to do that?
You could try reverting changeset 20927:b882c558d4e4 and cross your fingers.
Looks like blktap2 devs disabled memshr extensions due to them not working
properly.
-- Keir
> Thanks,
> Harshan
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
next prev parent reply other threads:[~2011-04-09 8:36 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-09 6:37 Memory Sharing Lakshitha Harshan
2011-04-09 8:36 ` Keir Fraser [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-04-18 16:19 memory sharing sepanta s
2016-02-04 21:04 Memory Sharing hanji unit
2016-02-05 0:29 ` Tamas K Lengyel
2016-02-05 10:40 ` David Vrabel
2011-07-26 7:33 Lakshitha Harshan
2011-07-26 9:51 ` Tim Deegan
2011-06-16 14:15 Lakshitha Harshan
2011-06-19 23:34 ` Jui-Hao Chiang
2011-06-14 5:04 Lakshitha Harshan
2011-06-14 8:10 ` Tim Deegan
2011-06-01 3:45 Lakshitha Harshan
2011-06-01 9:46 ` Tim Deegan
2011-05-24 7:17 Lakshitha Harshan
2011-05-24 9:19 ` Tim Deegan
2011-05-03 4:49 Lakshitha Harshan
2011-05-03 12:05 ` Tim Deegan
2011-04-26 9:52 Lakshitha Harshan
2011-04-03 8:28 Memory sharing Lakshitha Harshan
2011-04-03 8:58 ` Keir Fraser
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=C9C5D901.2C57E%keir@xen.org \
--to=keir@xen.org \
--cc=harshan.dll@gmail.com \
--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).