Subject: Re: Kernel consistently panicing on br_parse_ip_options

From: Massimo Cetra <[email-masked]>
Date: Fri, 18 May 2012 12:40:01 +0200

On 14/05/2012 14:37, Massimo Cetra wrote:
> Hello,
>
> I had already filed similar panics a month ago.
> Today i upgraded to 3.2.16 and nothing seems to be changed (and i don't
> see anything related in .17).
>
> The server (a Dell R410 with a couple of bnx2 ethernet cards) has two
> bridges onboard.
>
> Each bridge is connected to a different switch and has 2 uses:
> - one bridge is connecting an internal network and the KVM hosts that
> run on the same machine
> - one bridge connects the server to the public network along with
> another bunch of kvm servers whose interfaces bridges
>
> The bug can be easily triggered adding or removing (with heartbeat) a
> virtual address (br0:1, for example) .
>
> Is there any known fix or patch ?

As an attachment you may find another panic that seems compatible with 
the previous one.
The crash seems consistent and reproduceable. Is there anyone worrying 
about this ?

Thanks
  Massimo