From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [crash] kernel BUG at net/core/pktgen.c:3503! Date: Thu, 17 Sep 2009 10:29:23 -0700 (PDT) Message-ID: <20090917.102923.174779685.davem@davemloft.net> References: <20090911.202543.52533792.davem@davemloft.net> <20090915183647.GA11628@elte.hu> <20090915185112.GA17587@lenovo> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: mingo@elte.hu, torvalds@linux-foundation.org, akpm@linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org To: gorcunov@gmail.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:35543 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753094AbZIQR3G (ORCPT ); Thu, 17 Sep 2009 13:29:06 -0400 In-Reply-To: <20090915185112.GA17587@lenovo> Sender: netdev-owner@vger.kernel.org List-ID: From: Cyrill Gorcunov Date: Tue, 15 Sep 2009 22:51:12 +0400 > [Ingo Molnar - Tue, Sep 15, 2009 at 08:36:47PM +0200] > | > | not sure which merge caused this, but i got this boot crash with latest > | -git: > | > | calling flow_cache_init+0x0/0x1b9 @ 1 > | initcall flow_cache_init+0x0/0x1b9 returned 0 after 64 usecs > | calling pg_init+0x0/0x37c @ 1 > | pktgen 2.72: Packet Generator for packet performance testing. > | ------------[ cut here ]------------ > | kernel BUG at net/core/pktgen.c:3503! > | invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > | last sysfs file: > | > > Hi Ingo, > > just curious, will the following patch fix the problem? > I've been fixing problem with familiar symthoms on > system with custome virtual cpu implementation so > it may not help in mainline but anyway :) Ingo, does Cyrill's patch help?