netdev - Re: error in loading vhost

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Message-ID: <AANLkTint5UUNaC6rmfJJxzGpCJAHIINVLn-EDb5WY2Lf@mail.gmail.com>
Date:	Sun, 23 May 2010 19:02:07 -0400
From:	Balachandar <bala1486@...il.com>
To:	"Michael S. Tsirkin" <mst@...hat.com>
Cc:	kvm@...r.kernel.org, virtualization@...ts.osdl.org,
	netdev@...r.kernel.org
Subject: Re: error in loading vhost_net module

On Sun, May 23, 2010 at 7:10 AM, Michael S. Tsirkin <mst@...hat.com> wrote:
> On Sat, May 22, 2010 at 07:31:15PM -0400, Balachandar wrote:
>> Hi Michael,
>>    Thank you for your vhost_net module. I am really excited to know that your
>> module reduces latency 4 to 5 times. I was trying on my own project to reduce
>> latency in using virtio but when i saw your module in the new 2.6.34 kernel
>> changelog i was very excited to use it. But unfortunately when i built the
>> latest kernel with 'Virtualization-->Host Kernel Accelerator for virtio net' as
>> a module, it got built but after installing and rebooting, i couldn't see the
>> module when typed lsmod. So i tried to manually insert the module and got the
>> following error 'vhost_net: Unknown symbol tun_get_socket'. So could you please
>> help me getting this to work. Also could you please tell me which mailing list
>> should i post my queries about vhost_net so that others who are facing the same
>> problem can be benifitted. Thank you very much...
>>
>> Thanks,
>> Bala
>
> Is tun module enabled? Please send your .config file.
>
> Here's contact information for vhost:
> VIRTIO HOST (VHOST)
> M:      "Michael S. Tsirkin" <mst@...hat.com>
> L:      kvm@...r.kernel.org
> L:      virtualization@...ts.osdl.org
> L:      netdev@...r.kernel.org
> S:      Maintained
>
> --
> MST
>

Please find the attached .config file. I can see CONFIG_TUN=m. So i
suppose tun is enabled. So what is the problem here? Thank you...

Thanks,
Bala

Download attachment "config" of type "application/octet-stream" (109671 bytes)