Re: PV networking issue in 2.6.38.6 and 2.6.39-rc7 pvops dom0 kernels

[Mario <mario@slackverse.org>]

On 05/16/2011 02:46 PM, Ian Campbell wrote:
> On Mon, 2011-05-16 at 12:04 +0100, Mario wrote:
>> On 05/16/2011 11:03 AM, Mario wrote:
>>> On 05/16/2011 10:59 AM, Ian Campbell wrote:
>>>> On Mon, 2011-05-16 at 09:56 +0100, Mario wrote:
>>>>> On 05/16/2011 09:58 AM, Ian Campbell wrote:
>>>>>> On Mon, 2011-05-16 at 07:51 +0100, Pasi Kärkkäinen wrote:
>>>>>>> Hello,
>>>>>>>
>>>>>>> Ian: Any idea what could cause this error message (more info below):
>>>>>>>
>>>>>>> "XENBUS: Timeout connecting to device: device/vif/0 (state 1)"
>>>>>>
>>>>>> Is this from the domU or the dom0?
>>>>>
>>>>> This is from the domU.
>>>>>
>>>>>>
>>>>>> Do other devices work ok?
>>>>>>
>>>>>
>>>>> Yes, everything else seems to be working fine.
>>>>>
>>>>>
>>>>>>> User says replacing 2.6.38/2.6.39 pvops dom0 kernel with xenlinux one
>>>>>>> fixes the problem..
>>>>>>
>>>>>> 2.6.38 didn't have netback, only 2.6.39-rc1 did. Mario, please can you
>>>>>> supply the .config you used with the 2.6.39 kernel and the exact commit
>>>>>> id you are using. It would also be useful to see a complete log from
>>>>>> both dom0 and domU.
>>>>>>
>>>>>
>>
>>
>> Pvops kernel configs are here:
>>
>> http://dev.slackverse.org/tmp/config-2.6.39-rc7-xen
>
> This contains:
>
> # CONFIG_XEN_NETDEV_BACKEND is not set
>
>> http://dev.slackverse.org/tmp/config-2.6.37.6-xenU
>>
>> They are both based on default configs shipped with Slackware, with
>> minimal xen-only options enabled.
>
> Too minimal ;-)
>
>> # xenstore-ls /local/domain/$(xl domid slackware)/devices/vif
>> xenstore-ls: xs_directory (/local/domain/1/devices/vif): No such file or
>> directory
>
> Should be "device" not "devices", I got this wrong in my original mail.
> Sorry.
>
> (I stopped reading here since I think it's all explained by the missing
> config option).
>
> Ian.
>
>

Ehm, you are right, my bad, but what about 2.6.38.6 ?

# grep XEN_NETDEV /tmp/linux-2.6.38.6-xen/.config
CONFIG_XEN_NETDEV_FRONTEND=y

I was under impression that userspace driver would kick in..?

m.