Subject: Re: kern/20467: timeout delayed on tl(4) and system slowdown
To: Mario Kemper <magick@bundy.zhadum.de>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: netbsd-bugs
Date: 02/23/2003 20:09:03
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.
What does 'systat vm' report (number of interrupts and CPU usage) when the
card is active ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 23 ans d'experience feront toujours la difference
--