Re: [Xen-devel] Memory Sharing

[Keir Fraser <keir@xxxxxxx>]

On 09/04/2011 07:37, "Lakshitha Harshan" <harshan.dll@xxxxxxxxx> 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@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel