Re: [Xen-users] PV networking issue in 2.6.38.6 and 2.6.39-rc7

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Sun, May 15, 2011 at 06:24:11PM +0200, Mario wrote:
>
>
> On 05/15/2011 06:12 PM, Pasi Kärkkäinen wrote:
>> On Sun, May 15, 2011 at 06:02:02PM +0200, Mario wrote:
>>> On 05/15/2011 05:53 PM, Pasi Kärkkäinen wrote:
>>>> On Sun, May 15, 2011 at 02:36:11PM +0200, Mario wrote:
>>>>> Hey everyone,
>>>>>
>>>>> I have been trying to make Xen-4.1.0 work on kernels mentioned in the
>>>>> subject, without much sucess. HVM guests are not affected, only PV.
>>>>>
>>>>
>>>> Below you mention gentoo xenlinux patches..
>>>>
>>>> So please be more specific about which kernel was vanilla (pvops),
>>>> and which kernels had some external patches applied..
>>>>
>>>> -- Pasi
>>>>
>>>
>>> Sorry, both kernels in subject were vanilla from kernel.org, with xen
>>> options selected for dom0 usage.
>>> I only wanted to point out that networking works if i use kernel patched
>>> with rebased gentoo patches.
>>> I am talking only about dom0 kernel here, domU kernel does not seem to
>>> be the source of the problem.
>>>
>>
>> OK. What kernel is the PV domU running? What Xen version are you using? 4.1 ?
>>
>> -- Pasi
>>
>
> Well, i have tried following kernels in domU:
>
> 2.6.31.6 (i got this one from stacklet)
> 2.6.37.6-domU
> 2.6.33.4-domU

Are these pvops/vanilla or with some patches? 

> 2.6.38.6-xen (dom0 kernel)
> 2.6.34.7-xen (dom0 kernel)
> 2.6.39-rc7-xen (dom0 kernel)
>
> None of them made any difference, they were all complaining about vif.
> Yeah, I am running Xen 4.1
>

Are you using xm/xend or xl/libxl toolstack? 

-- Pasi

>
>>>
>>>>> Error that i see in dmesg on the domU:
>>>>> XENBUS: Timeout connecting to device: device/vif/0 (state 1)
>>>>>
>>>>> ifconfig -a on domU shows MAC address: 00:00:00:00:00:00
>>>>>
>>>>> dom0 doesn't have any vif/tap interfaces assigned to domU when i do
>>>>> brctl show or ifconfig -a
>>>>>
>>>>> I don't see any errors worth mentioning in /var/log/xen, except mybe
>>>>> these two:
>>>>>
>>>>> /tmp/SBo/xen-4.1.0/tools/ioemu-qemu-xen/hw/xen_blktap.c:628: Init blktap
>>>>> pipes
>>>>> Could not open /var/run/tap/qemu-read-2
>>>>>
>>>>> Problem goes away when i boot 2.6.34.7 (it is the last kernel that i
>>>>> have built with gentoo rebased patches).
>>>>>
>>>>> If there is something i can do to help debug this please do let me know.
>>>>>
>>>>>
>>>>> Best regards,
>>>>> mario
>>>>>
>>>>> _______________________________________________
>>>>> Xen-users mailing list
>>>>> Xen-users@xxxxxxxxxxxxxxxxxxx
>>>>> http://lists.xensource.com/xen-users
>>>>
>>>> _______________________________________________
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>>
>> _______________________________________________
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