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

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Date:	Thu, 05 May 2011 14:05:11 +0200
From:	jdossantos@...s.homelinux.org
To:	Hank Janssen <hjanssen@...rosoft.com>
Cc:	KY Srinivasan <kys@...rosoft.com>, <linux-kernel@...r.kernel.org>
Subject: RE: Error in Hyper-V modules hv_vmbus

 On Wed, 4 May 2011 16:00:52 +0000, Hank Janssen wrote:
>> -----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.
 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

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