Re: [Xen-devel] help with horrible network failures

[Jon Mason <jdmason@xxxxxxxxxx>]

On Wednesday 02 March 2005 12:37 pm, Nivedita Singhvi wrote:
> Rob Gardner wrote:
> > The machine with the problem:
> > Intel e100 nic
> > 1.7 Ghz Xeon
>
> Yep, practically all instances of this problem were
> with the e100. Unfortunately, the current version
> of the driver no longer has NAPI as a dynamically
> tunable parameter via ethtool. It can be disabled
> via a kernel config parameter (CONFIG_E100_NAPI).
> You could recompile and see if the problem disappears.
> (Not a real fix).

This isn't quite true.  Though a compile option until recently, it was 
discovered that e100 had NAPI hooks regardless of config enablement.  The 
compile option has been removed from the latest kernels.  


> I'd be very interested if you could switch to tg3
> on the other box too, and see if you can reproduce
> the problem. It all depends on the traffic, phase
> of the moon, etc..
>
> > The machine that does not exhibit the problem:
> > Tigon3 nic
> > 2.6Ghz P4
>
> Your sysctl settings would be helpful, too..
>
>
> thanks,
> Nivedita

-- 
Jon Mason
jdmason@xxxxxxxxxx


-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/xen-devel