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Re: [Xen-users] unstable network problem

To: Nivedita Singhvi <niv@xxxxxxxxxx>
Subject: Re: [Xen-users] unstable network problem
From: Tim Durack <tdurack@xxxxxxxxx>
Date: Wed, 10 Aug 2005 16:13:11 -0400
Cc: xen-users@xxxxxxxxxxxxxxxxxxx, John Madden <jmadden@xxxxxxxxxxx>
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It's a test box so I can compile/reboot freely until the problem is fixed :-]

I'm asuming debug is a compile time flag...I'll probably need some
direction to provide useful feedback.

Tim:>

On 8/10/05, Nivedita Singhvi <niv@xxxxxxxxxx> wrote:
> Tim Durack wrote:
> > I'm using tg3 also. I tried the NETIF hack, this just appears to force
> > RX checksumming off, which doesn't fix the problem either.
> 
> Should also force tx off, which should avoid one of the
> problems that needs fixing.
> 
> > Unfortunately I am experiencing these problems in a routed environment...
> >
> > Any other ideas?
> 
> I don't believe anyone else has seen the checksum errors
> before - so I'm inclined to believe your problem is not
> the same as those we are currently investigating for
> other issues..It would be good to nail this down.
> 
> Would you be ok with turning on DBG?
> 
> thanks,
> Nivedita
> 
> >>>Unfortunately, that's not an easily configurable
> >>>driver. If you don't mind recompiling the kernel,
> >>>try editing the driver and turning off NETIF_F_IP_CSUM,
> >>>i.e. force dev->features &= ~NETIF_F_IP_CSUM as
> >>>a quick short-term test.
> >>
> >>I've got only a production install of Xen, and while the kernel is a custom 
> >>build
> >>of 2.0.6-testing, it can't really be rebooted at the moment.  It looks like 
> >>it
> >>hasn't fixed the issue for Tim, so it doesn't seem promising anyway.
> >>
> >>We've spoken earlier about switching to routed guests rather than bridged 
> >>and you
> >>talked about producing a README on the setup of that configuration.  Is that
> >>available?  Do we think routing would fix the problem?
> >>
> >>John
> >>
> >>
> >>
> >>--
> >>John Madden
> >>UNIX Systems Engineer
> >>Ivy Tech Community College of Indiana
> >>jmadden@xxxxxxxxxxx
> >>
> >>
> >
> >
> >
> 
>

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