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Re: [BUG] freeze Alpha ES40 SMP 2.4.4.ac3, another TCP/IP Problem ? ( w

To: Andrea Arcangeli <andrea@xxxxxxx>
Subject: Re: [BUG] freeze Alpha ES40 SMP 2.4.4.ac3, another TCP/IP Problem ? ( was 2.4.4 kernel crash , possibly tcp related )
From: Peter Rival <frival@xxxxxxxxxxx>
Date: Thu, 03 May 2001 12:58:32 -0400
Cc: "Cabaniols, Sebastien" <Sebastien.Cabaniols@xxxxxxxxxx>, "'Andrew Morton'" <andrewm@xxxxxxxxxx>, "'netdev@xxxxxxxxxxx'" <netdev@xxxxxxxxxxx>, "'linux-kernel@xxxxxxxxxxxxxxx'" <linux-kernel@xxxxxxxxxxxxxxx>, "'davem@xxxxxxxxxx'" <davem@xxxxxxxxxx>, "'kuznet@xxxxxxxxxxxxx'" <kuznet@xxxxxxxxxxxxx>
Organization: Tru64 QMG Performance Engineering
References: <1FF17ADDAC64D0119A6E0000F830C9EA04B3CDD1@xxxxxxxxxxxxxxxxxxxxxxx> <20010503184610.T1162@xxxxxxxxxxxxx>
Sender: owner-netdev@xxxxxxxxxxx
Andrea Arcangeli wrote:

> On Thu, May 03, 2001 at 06:16:02PM +0200, Cabaniols, Sebastien wrote:
> > The only thing that does not work under load is the network.... TCP/IP ?
>
> My alpha is running 2.4.4aa3 under very high load (apache beaten from ab
> in loop via 100mbit switched network [tulip on the alpha] plus cerberus)
> and I didn't had any problem so far (it only deadlocked with OOM after
> one day of day of tux [instead of apache] + cerberus regression testing
> but that's only because of a memleak in tux that I reproduced on x86 too
> it seems)
>

Silly question, Sebastien - when you do a "show config" at the console, how
is your card represented?  FWIU, there have been problems with adapters under
load that aren't fully supported by SRM...  Just a guess.  Could you try this
with a DE600 (Intel) or a DE500 (tulip)?

 - Pete


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