Bug#615969: linux-base: Tracking a moderate number of conenctions permanently kills network

[Ben Hutchings <ben@decadent.org.uk>]

On Tue, Mar 01, 2011 at 02:09:36PM +0100, Alex wrote:
> On Tue, Mar 01, 2011 at 12:55:19PM +0000, Ben Hutchings wrote:
> > On Tue, 2011-03-01 at 12:28 +0100, Alex Bennee wrote:
> > > Package: linux-base
> > > Version: 2.6.32-30
> > > Severity: important
> > > Tags: upstream
> > > 
> > > 
> > > Starting up rtorrent on a number of torrents causes my VPS to loose network
> > > connectivity.
> > [...]
> > 
> > What virtualisation system are you using?  Does the VPS use
> > virtio_net?
> 
> KVM and yes.
> 
> I'm unsure if the problem is a result of conntrack fragmenting memory
> as it's tracking all the extra connections or just exhaustion of the
> virtio receive queue due to the peak in traffic as the torrents come
> up.
[...]

This is a known bug and should be fixed soon in version 2.6.32-31
(Debian 6.0.1).

Ben.

-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                              - Albert Camus