Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030465AbXAYXGV (ORCPT ); Thu, 25 Jan 2007 18:06:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030481AbXAYXGV (ORCPT ); Thu, 25 Jan 2007 18:06:21 -0500 Received: from py-out-1112.google.com ([64.233.166.176]:11138 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030465AbXAYXGV (ORCPT ); Thu, 25 Jan 2007 18:06:21 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=nGB+8khoFj2b0uJEvJin0167sI3nQ/tNn/g2OgQeYXcP9MLcAho2+nozSGMy9cPoFdyjMPha4OBTdFLFM3s3ZReOsFIvgvjXz4ZjFtn8YOFZVt9ure/WkXnvFLQWJiUfWl0NQjuzhHHcZXl8186E3MLWrZcYKW86REdvo9UFZFE= Message-ID: Date: Fri, 26 Jan 2007 00:06:20 +0100 From: "mirek kratochvil" To: linux-kernel@vger.kernel.org Subject: Problems on x86_64 laptops (high-load crashes?) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2376 Lines: 62 Hi, I want to ask about strange behavior of linux kernel on some laptops (namely recent Asus laptops with dualcore 64bit Athlons). There's a weird bug when the kernel's under some kind of heavy load. It usually freezes all processes which run from X11 (including X11..) - happens usually when: 1] starting some kind of OpenGL (not very often..) 2] transmitting heavy traffic to ethernet (Almost everytime - all you need to do is make it send data faster then 1MB/s and wait 10 secs) 3] randomly (yeah it's rare, but happens..) If running X, the system becomes absolutely unusuable - all it does is that it catches acpi events a few more seconds before a complete freeze. I tried to debug - switch to console and reproduce the bug with network load -- result is that it doesn't freeze when in console, but it usually leaves network interface unusuable (doesn't send/receive, but statistics (/proc/dev/net) show some tx bytes (not more than 300B) ). It needs a reboot to work again. Worst thing is that I could't get any kind of debugging info. Last thing I got were some watchdog messages (about tx transmit timeouts), turning off watchdog doesn't help (it just removes that "crash info"). I'm not getting anything more in dmesg, no oopses, no panic. I have no idea how to get more info. I guess it could be about bad driver for eth - I'm using r8169 for realtek8168 PCI-E gigabit. afaik Realtek's r1000 driver makes this problem too. about versions - I tried all kernels from 2.6.17 to 2.6.20-rc5, all affected. PREEMPT doesn't do any difference. Turning off SMP also doesn't help. If anyone wanted exact configurations which I tested please ask me. about hardware - this is mostly seen on Asus A6 and similar laptops. A6T, A6Tc, A6Km,.... so please - Is there some better way to debug this? If I was able to do so, I'd happilly post fixes, but I have no idea how to get some more info. honestly I'm not even sure that it's the bug of r8169, as I read some similar crash reports about disc activity and so... If anyone encountered this kind of problems before, please help me id and solve it. thanks M. Kratochvil - 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/