RE: [Xen-devel] PRIVCMD in HVM DomU

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Wed, 22 Jun 2011, Srujan Kotikela wrote:
> From: Srujan Kotikela <ksrujandas@xxxxxxxxx>
> Date: Wed, Jun 22, 2011 at 12:14 PM
> Subject: Re: [Xen-devel] PRIVCMD in HVM DomU
> To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
> 
> 
> 
> On Wed, Jun 22, 2011 at 3:11 AM, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> 
> wrote:
>       On Tue, 2011-06-21 at 23:35 +0100, Srujan Kotikela wrote:
> 
> 
>       > I installed 2.6.38.8 with CONFIG_XEN, CONFIG_XEN_PVHVM and
>       > CONFIG_XENFS. Then I copied all the libraries (from /usr/include/xen*
>       > and /usr/libxen*) from Dom0 to DomU. I still get the
>       >
>       > ERROR Internal error: Could not obtain handle on privileged command
>       > interface (2 = No such file or directory)
>       >
>       > I checked the /proc/xen. There is no privcmd present there.
> 
> Is anything present in that directory at all? Did you arrange for xenfs
> to be mounted? You will need CONFIG_XEN_COMPAT_XENFS in order for the
> mount-point to be present.
> 
> privcmd was exposed to domU in
> Â Â Â Âcommit 9387377eb79a44f453fd27c3d00a2e5da587e369
> Â Â Â ÂAuthor: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>
> Â Â Â ÂDate: Â Wed Oct 6 08:51:32 2010 -0700
> 
> Â Â Â Â Â Âxen/privcmd: make privcmd visible in domU
> so it should be in v2.6.38.8.
> 
> Ian.
> 
> 
> Hi,
> 
> The CONFIG_XEN_COMPAT_XENFS = y
> And there is nothing present in the /proc/xen directory.
> 

try

mount -t xenfs xenfs /proc/xen

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