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Date: Thu, 05 May 2011 20:05:11 +0200
From: jdossantos@docs.homelinux.org
To: Hank Janssen <hjanssen@microsoft.com>
Cc: KY Srinivasan <kys@microsoft.com>, <linux-kernel@vger.kernel.org>
Subject: RE: Error in Hyper-V modules =?UTF-8?Q?hv=5Fvmbus?=
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 On Thu, 05 May 2011 14:05:11 +0200, jdossantos@docs.homelinux.org 
 wrote:
> On Wed, 4 May 2011 16:00:52 +0000, Hank Janssen wrote:
>>> -----Original Message-----
>>> From: jdossantos@docs.homelinux.org
>>> [mailto:jdossantos@docs.homelinux.org]
>>> Sent: Wednesday, May 04, 2011 2:48 AM
>>> To: Hank Janssen
>>> Cc: KY Srinivasan; linux-kernel@vger.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.
> Hi Hank
>
> Yes in ubuntu server (i tested the newest version 11.04) there is no
> problem, the hyper-v modules are compiled and activated
> as default in the released kernel (2.6.38-8), network, timesync and
> all others integrated components are working fine. This is the lsmod
> output:
> lsmod | grep hv_
> hv_utils               12850  0
> hv_netvsc              36467  0
> hv_timesource          12423  0 [permanent]
> hv_vmbus               50431  2 hv_utils,hv_netvsc
>
> Now I have downloaded the newest rc kernel and done the same steps
> like in the debian installation, after a reboot I get same errors and
> integrated components failed to works...Now I check the hyper-v
> modules source from 2.6.38-8 ubuntu kernel and the new one
>
> Regards
> Juan Dos Santos

 Ok, now I have setup again debian 6.0.1a and compiled the 2.6.39-rc6 
 kernel but with the hyper-v staging drivers from ubuntu kernel 2.6.38-8 
 source (just replaced the hv directory, I know maybe it's dirty :) ). 
 But now all is working fine! I have now a debian system with kernel 
 2.6.39-rc6 with all integrated components running..looks that the 
 hyper-v modules in the ubuntu kernel are more stable that in the newest 
 official rc kernel?!

 Regards
 Juan


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