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Re: Fw: [Bugme-new] [Bug 3746] New: Bridge causes machine lockups

To: Bart De Schuymer <bdschuym@xxxxxxxxxx>
Subject: Re: Fw: [Bugme-new] [Bug 3746] New: Bridge causes machine lockups
From: Andrew Morton <akpm@xxxxxxxx>
Date: Mon, 15 Nov 2004 12:48:43 -0800
Cc: netdev@xxxxxxxxxxx, alchemyx@xxxxxxxxxxxx
In-reply-to: <200411152146.02851.bdschuym@pandora.be>
References: <20041115122046.1413527e.akpm@osdl.org> <200411152146.02851.bdschuym@pandora.be>
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Originator added to Cc..

Bart De Schuymer <bdschuym@xxxxxxxxxx> wrote:
>
> > Date: Mon, 15 Nov 2004 04:33:51 -0800
> > From: bugme-daemon@xxxxxxxx
> > To: bugme-new@xxxxxxxxxxxxxx
> > Subject: [Bugme-new] [Bug 3746] New: Bridge causes machine lockups
> >
> > -s SO:ME:MA:CA:DD:R0 -j DROP
> > -d SO:ME:MA:CA:DD:R0 -j DROP
> > [... about 50 of them ...]
> > -j RETURN
> >
> > It works fine. About twenty or thirty times a day, a script does 'iptables
> > -F BLOCKED' and writes new entries into chain BLOCKED. Problem is that
> > machine dies from time to time (under heavy network load it happens once a
> > day). It just locks, nothing happenes, no oopses, or entries in logs. Then
> > after 60 seconds, watchdog from Intel motherboard resets machine.
> >
> > Also I was doing some changes manually into chains and noticed that machine
> > died after I have issued 'ebtables -F BLOCKED' (clearing the chain). Once
> > again after 60 seconds watchdog reset machine.
> >
> > Problem is present in 2.6.8.1 and 2.6.9 kernels. There was no such problem
> > on 2.4.26.
> 
> Can you do something similar with iptables rules to see if it's specific to 
> ebtables (which I doubt)?
> 
> > The only weird thing I noticed is when I initalise my bridge, is something
> > about that it can't get speed of some interfaces (guessing it is about
> > e1000). I can't give you full error message at the moment, because those
> > have been rotated by logrotate.
> 
> I don't know what that is about...
> 
> cheers,
> Bart

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