Re: BUG: unable to handle kernel NULL pointer dereference in ipv6_select_ident

[Chris Boot]

On 21/12/2011 16:29, Eric Dumazet wrote:
> Le mercredi 21 dÃcembre 2011 Ã 15:52 +0000, Chris Boot a Ãcrit :
> > Hi folks,
> >
> > I'm working on getting a 2-node VM cluster up and running, with DRBD and
> > Corosync/Pacemaker, running KVM VMs.
> >
> > I can trigger a kernel panic in either _host_ system when running an
> > rsync on a _guest_ VM. The rsync is simply SSH over IPv6 from a remote
> > mail store (containing maildirs) to a local filesystem. I'm basically
> > working on migrating a physical IMAP server to one inside a VM.
> >
> > After a few seconds of fairly heavy IPv6 traffic, I get the panic below.
> > You'll notice the panic refers to vhost_net, but I tried without that
> > and the kernel panics at exactly the same call point.
> >
> > Panic:
> >
> > [snip]
> >
> > Any insight will be gratefully received.
> >
> > Thanks,
> > Chris
> Is it a debian kernel ?
>
> You need : https://lkml.org/lkml/2011/10/11/291

Eric,

Aha, that sounds like exactly the culprit, thanks. However I can't find 
any reference to it in the 3.1 to 3.1.5 changelogs. Is it fixed in any 
of those kernels or would I have to attempt to forward-port the fix myself?

Cheers,
Chris

--
Chris Boot
bootc@xxxxxxxxx

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/