Re: [Xen-users] blktapctrl not running

["XU, Jiangyan" <dennis84225@xxxxxxxxx>]

Hi Mark,

Thanks for your reply.

I am aware of this issue and I compiled kernel following exactly instructions here:

http://wiki.xensource.com/xenwiki/XenParavirtOps

So the kernel is (source=git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git, branch=xen/stable-2.6.32.x) with the CONFIG_* enabled as per the above wiki, plus 

CONFIG_XEN_BLKDEV_TAP=y
CONFIG_XEN_BLKDEV_TAP2=y,

although the CONFIG_XEN_BLKDEV_TAP2=y line got stripped out during the 'make' process.

I can see /dev/blktap-control, /dev/xen/blktap-2/control exist.

On Mon, Jun 13, 2011 at 3:15 PM, Mark Pryor <tlviewer@xxxxxxxxx> wrote:

--- On Mon, 6/13/11, XU, Jiangyan <dennis84225@xxxxxxxxx> wrote:

From: XU, Jiangyan <dennis84225@xxxxxxxxx>
Subject: [Xen-users] blktapctrl not running
To: xen-users@xxxxxxxxxxxxxxxxxxx
Date: Monday, June 13, 2011, 11:59 AM

Hi,
I am running XEN 4.1 on Debian 6 and I cannot find blktapctrl process running. xend is started. I installed XEN from 4.1 source following instructions here:http://wiki.xensource.com/xenwiki/XenParavirtOps

http://wiki.xensource.com/xenwiki/Xen4.0
Should there be a blktapctrl process running in this version?
The problem I have encountered is that I can create a domain on a raw disk image but not on a QCOW disk backed by a base image. XENBUS timed out during the DomU boot process so I figured it was trying to communicate with blktapctrl process on Dom0 but couldn't find it.


Thanks,Jiangyan

------------

blktap
tapdisk
tapdisk2
blktapctrl

the above are disabled in the linux-image-2.6.32-5-xen-* Debian kernels by design. The reason ultimately resolves to the problems with Openssl as seen by the Debian developers.

If there is a reason to use all custom build, this is it.

--
Mark



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