Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263041AbUFJVMh (ORCPT ); Thu, 10 Jun 2004 17:12:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263059AbUFJVMh (ORCPT ); Thu, 10 Jun 2004 17:12:37 -0400 Received: from gprs214-205.eurotel.cz ([160.218.214.205]:13185 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S263041AbUFJVMe (ORCPT ); Thu, 10 Jun 2004 17:12:34 -0400 Date: Thu, 10 Jun 2004 23:12:17 +0200 From: Pavel Machek To: Pekka Pietikainen Cc: "David S. Miller" , netdev@oss.sgi.com, linux-kernel@vger.kernel.org Subject: Re: Dealing with buggy hardware (was: b44 and 4g4g) Message-ID: <20040610211217.GA6634@elf.ucw.cz> References: <20040531202104.GA8301@ee.oulu.fi> <20040605200643.GA2210@ee.oulu.fi> <20040605131923.232f8950.davem@redhat.com> <20040609122905.GA12715@ee.oulu.fi> <20040610200504.GG4507@openzaurus.ucw.cz> <20040610203442.GA27762@ee.oulu.fi> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040610203442.GA27762@ee.oulu.fi> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.5.1+cvs20040105i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1454 Lines: 36 Hi! > > This should hit machines with 2GB ram too, right? > > Is it possible to find if it hits me? I get hard lockups on > > 2GB machine with b44, but they take ~5min.. few hours to > > reproduce... > > > > It seems to me like this should hit very quickly. > > -- > > 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms > > > Yikes! > > With the 4:4 VM split it definately is instantaneous with > 1GB of memory, I > triggered it with 1.25G myself and never noticed anything wrong with just > 1GB (allocation starts from the top it seems). With the standard 1:3 split I > don't think anything > 1GB ever gets used for skbuffs, but maybe there > are circumstances where this can happen? Okay, this is probably other problem. When the bug hit, what are the symptoms? > (Or the issue isn't fully understood yet, figuring out what breaks and what > doesn't was basically just trial and error :-/ ) Can you try the driver from broadcom? bcom4400, or how is it called. Its extremely ugly, but might get this kind of stuff right... Pavel -- People were complaining that M$ turns users into beta-testers... ...we turn them into developers, and they seem to like it that way! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/