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Re: fealnx oopses

To: Jeff Garzik <jgarzik@xxxxxxxxx>
Subject: Re: fealnx oopses
From: Denis Vlasenko <vda@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 30 Mar 2004 01:18:55 +0200
Cc: Francois Romieu <romieu@xxxxxxxxxxxxx>, Andreas Henriksson <andreas@xxxxxxxxxxxx>, netdev@xxxxxxxxxxx, Denis Vlasenko <vda@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
In-reply-to: <4068AC87.2030506@pobox.com>
References: <200403261214.58127.vda@port.imtp.ilyichevsk.odessa.ua> <200403300050.42367.vda@port.imtp.ilyichevsk.odessa.ua> <4068AC87.2030506@pobox.com>
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On Tuesday 30 March 2004 01:08, Jeff Garzik wrote:
> Denis Vlasenko wrote:
> > I think bug can be considered fixed if I can start
> > netcat UDP flood, wait however long I want, then press
> > ctrl-C and get my bash prompt back. Local netcat
> > closes socket and exits, remote netcat gets its
> > icmp 'port unreachable' and exits too. Everybody's
> > happy.
> >
> > Oopses are gone but it looks like box is so much interrupt
> > flooded that userspace has no chance of processing ctrl-C.
> > What can we do? I think driver can do something useful
> > whet it detects 'too much work in interrupt'. Disabling rx
> > for several ms seems like 'quick and dirty' way.
> >
> > Francois what do you think? Can you code something up
> > for me to test?
>
> Andreas had a francois+jgarzik patch, I thought...?
>
> Looking good...

Yes, I did all these tests with this patch.
--
vda


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