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

To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: Re: [Xen-users] PV networking issue in 2.6.38.6 and 2.6.39-rc7 pvops dom0 kernels
From: Mario <mario@xxxxxxxxxxxxxx>
Date: Mon, 16 May 2011 14:56:21 +0200
Cc: "todd.deshane@xxxxxxx" <todd.deshane@xxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>, Pasi Kärkkäinen <pasik@xxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
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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.


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