[ovs-discuss] [Open vSwitch 0.99.2] Kernel panic with eth0 in the bridge

[Amin Tootoonchian]

Thanks Jesse. Do have any plans to add support for OpenVZ kernels?

Amin

On Mon, Mar 29, 2010 at 10:24 AM, Jesse Gross <jesse at nicira.com> wrote:
> On Sun, Mar 28, 2010 at 2:08 AM, Amin Tootoonchian <amin at cs.toronto.edu>
> wrote:
>>
>> Hi,
>>
>> openvswitch_mod kernel module causes a kernel panic when it adds eth0
>> to the bridge. It seems to run fine with all the interfaces except
>> eth0 (which is connected to a switch). I verified that I have no
>> problems with Linux bridging with the same set of interfaces. Do you
>> know what is wrong?
>
> OpenVZ adds a couple of extensions to the networking stack, including a new
> bridge hook on transmit.  The version of the bridge in the OpenVZ kernel
> knows how to handle these extensions, which is why it works fine.  Open
> vSwitch doesn't support OpenVZ and doesn't set the transmit bridge hook
> (probably other things too), which is why you get a null pointer deference.