linux-kernel - RE: Error in Hyper-V modules hv

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Message-ID: <8AFC7968D54FB448A30D8F38F259C562498A3FF3@TK5EX14MBXC114.redmond.corp.microsoft.com>
Date:	Wed, 4 May 2011 16:00:52 +0000
From:	Hank Janssen <hjanssen@...rosoft.com>
To:	"jdossantos@...s.homelinux.org" <jdossantos@...s.homelinux.org>
CC:	KY Srinivasan <kys@...rosoft.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: Error in Hyper-V modules hv_vmbus




> -----Original Message-----
> From: jdossantos@...s.homelinux.org
> [mailto:jdossantos@...s.homelinux.org]
> Sent: Wednesday, May 04, 2011 2:48 AM
> To: Hank Janssen
> Cc: KY Srinivasan; linux-kernel@...r.kernel.org
> Subject: Re: Error in Hyper-V modules hv_vmbus
> > Hank.
> 
>  Here is my step by step protocol:

Thanks for the detailed setup. I will be trying it with this.

>  lsmod | grep hv_
>  hv_timesource           1055  0 [permanent]
>  hv_vmbus               48554  1
> 
>  In the logs and with lsmod i see the timesource module running, but
> the
>  time is not in sync with the windows host.
>  Shutdown function also dosn't work, seems that nothing of the
>  integrated components are working..hv_netvsc,hv_blkvsc,hv_storvsc are
>  not
>  loaded?! But modinfo provides information:

Timesource makes sure that the clock does not drift and uses Hyper-V for
Its stable time source. 

The setting of the clock equal to the host is provided by the hv_utils.ko
Module. This module also provides heartbeat, shutdown and KVP functionality.

 
>  After that I enabled the synthetic network card, but also here..it
>  doesn't work and I don't see any hv_netvsc
>  module loaded, so I tried to load it "by hand" with modprobe
>  hv_netvsc..but I get a modprobe timeout and nothing happens..

I should know more in the next day or so when I get a VM up and running.

It works fine on Ubuntu, I submitted a few patches to them a few weeks ago
To fix some other problems (these patches are already in mainline)

Hank.