Subject: Re: kern/20467: timeout delayed on tl(4) and system slowdown
To: Manuel Bouyer <bouyer@antioche.lip6.fr>
From: Mario Kemper <magick@netbsd.org>
List: netbsd-bugs
Date: 02/23/2003 22:26:22
On Sun, Feb 23, 2003 at 08:09:03PM +0100, Manuel Bouyer wrote:
> On Sat, Feb 22, 2003 at 12:50:10PM +0100, Mario Kemper wrote:
> >
> > >Number: 20467
> > >Category: kern
> > >Synopsis: the tl driver slows down the system
> > >Confidential: no
> > >Severity: critical
> > >Priority: medium
> > >Responsible: kern-bug-people
> > >State: open
> > >Class: sw-bug
> > >Submitter-Id: net
> > >Arrival-Date: Sat Feb 22 03:51:00 PST 2003
> > >Closed-Date:
> > >Last-Modified:
> > >Originator: Mario Kemper
> > >Release: NetBSD 1.6O Sources of feb 21 2003
> > >Organization:
> > Mario Kemper
> > magick@zhadum.de
> > >Environment:
> >
> >
> > System: NetBSD bundy 1.6O NetBSD 1.6O (BUNDY) #3: Sat Feb 22 10:25:27 CET 2003 root@bundy:/usr/netbsd-src/src-obj/sys/arch/i386/compile/BUNDY i386
> > Architecture: i386
> > Machine: i386
> > >Description:
> >
> > i installed a Compaq Dual Port Netelligent today. The first thing
> > i noticed are hundreds of "timeout delayed -x" Messages. And thats a few
> > hundreds a minute continously.
> > The second thing is, that the mouse hangs when there's traffic on the line.
> > I use one port of the card for DSL via pppoe. The second port ist connected
> > to a switch.
>
> I have such cards in a router here (3 of them) and I didn't notice such
> problems.
I suppose you don't have -current on the routers? The card made no
problems under 1.6beta in a friends system.
> What does 'systat vm' report (number of interrupts and CPU usage) when the
> card is active ?
>
I did a ping flood to my AccessPoint (the only thing currently
connected) which led to about 1500-2000 Interrupts.
CPU load is not rising significantly while i do this.
--
Mario Kemper
magick@zhadum.de