From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [2.6.23-rc4-mm1][Bug] kernel BUG at include/linux/netdevice.h:339! Date: Mon, 17 Sep 2007 16:13:33 -0700 (PDT) Message-ID: <20070917.161333.38709774.davem@davemloft.net> References: <46EE7026.2070203@linux.vnet.ibm.com> <20070917141622.330b27b8.akpm@linux-foundation.org> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: kamalesh@linux.vnet.ibm.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: akpm@linux-foundation.org Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:60401 "EHLO sunset.davemloft.net" rhost-flags-OK-FAIL-OK-OK) by vger.kernel.org with ESMTP id S1753478AbXIQXNh (ORCPT ); Mon, 17 Sep 2007 19:13:37 -0400 In-Reply-To: <20070917141622.330b27b8.akpm@linux-foundation.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Andrew Morton Date: Mon, 17 Sep 2007 14:16:22 -0700 > On Mon, 17 Sep 2007 17:46:38 +0530 > Kamalesh Babulal wrote: > > > Kernel Bug is hit with 2.6.23-rc4-mm1 kernel on ppc64 machine. > > > > kernel BUG at include/linux/netdevice.h:339! > > (please cc netdev@vger.kernel.org on networking-related matters) > > You died here: > > static inline void napi_complete(struct napi_struct *n) > { > BUG_ON(!test_bit(NAPI_STATE_SCHED, &n->state)); > > The NAPI changes have had a few problems and hopefully things have > been fixed up since then. I'll try to get rc6-mm1 out this evening, > so please retest that? And if you trigger this still it is absolutely critical that you tell us what networking device driver you are using at the time.