From: Stefan Bader <stefan.bader@canonical.com>
To: Alex Bligh <alex@alex.org.uk>
Cc: xen-devel@lists.xensource.com
Subject: Re: Re: PV drivers on HVM using Xen 4.1.1
Date: Thu, 27 Oct 2011 17:09:16 +0200 [thread overview]
Message-ID: <4EA9741C.7020702@canonical.com> (raw)
In-Reply-To: <30C4B98DD463F3E19F28AA88@nimrod.local>
On 27.10.2011 16:57, Alex Bligh wrote:
>
>
> --On 27 October 2011 13:56:41 +0100 Alex Bligh <alex@alex.org.uk> wrote:
>
>> I think I've found one reason why we can't get PV block drivers on HVM
>> domUs working on Xen 4.1.1 - whether we use a pvops or a xenlinux
>> domU kernel.
>>
>> We are using a line like:
>>
>> disk = [ "tap:aio:/tmp/centos-pvd.img,xvda,w" ]
>>
>> We are using effectively a standard 3.0 kernel. Config options including
>> the word XEN are below.
>>
>> We do not see blktapctrl starting in Xen 4.1.1 dom0, but it does
>> start in Xen3.
>
> The magic incantation to fix this here was:
> modprobe xen_gntdev
> which for some reason is not modprobed in the startup script (Ubuntu
> one anyway).
>
> We now see pv block devices on hvm.
>
Hm, you mean in dom0? Strangely I do not have this loaded and still get pv disks
on hvm...
-Stefan
next prev parent reply other threads:[~2011-10-27 15:09 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-27 12:56 PV drivers on HVM using Xen 4.1.1 Alex Bligh
2011-10-27 13:35 ` Konrad Rzeszutek Wilk
2011-10-27 13:44 ` Ian Campbell
2011-10-27 14:04 ` Alex Bligh
2011-10-27 14:10 ` Ian Campbell
2011-10-27 14:16 ` Alex Bligh
2011-10-27 14:19 ` Ian Campbell
2011-10-27 13:54 ` Stefano Stabellini
2011-10-27 14:11 ` Alex Bligh
2011-10-27 14:19 ` Stefano Stabellini
2011-10-27 14:29 ` Ian Campbell
2011-10-27 14:38 ` Alex Bligh
2011-10-27 14:51 ` Stefano Stabellini
2011-10-27 15:01 ` Alex Bligh
2011-10-27 15:16 ` Konrad Rzeszutek Wilk
2011-10-27 14:55 ` Ian Campbell
2011-10-27 14:22 ` Ian Campbell
2011-10-27 14:57 ` Alex Bligh
2011-10-27 15:09 ` Stefan Bader [this message]
2011-10-27 16:02 ` Alex Bligh
2011-10-27 15:13 ` Ian Campbell
2011-10-27 16:04 ` Alex Bligh
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