Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932475AbWHEU0S (ORCPT ); Sat, 5 Aug 2006 16:26:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932416AbWHEU0S (ORCPT ); Sat, 5 Aug 2006 16:26:18 -0400 Received: from thunk.org ([69.25.196.29]:27567 "EHLO thunker.thunk.org") by vger.kernel.org with ESMTP id S1751484AbWHEU0R (ORCPT ); Sat, 5 Aug 2006 16:26:17 -0400 Date: Sat, 5 Aug 2006 16:26:03 -0400 From: Theodore Tso To: Michael Chan Cc: David Miller , herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: Re: [PATCH -rt DO NOT APPLY] Fix for tg3 networking lockup Message-ID: <20060805202603.GA9740@thunk.org> Mail-Followup-To: Theodore Tso , Michael Chan , David Miller , herbert@gondor.apana.org.au, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20060804032348.GA16313@thunk.org> <1551EAE59135BE47B544934E30FC4FC093FA11@NT-IRVA-0751.brcm.ad.broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1551EAE59135BE47B544934E30FC4FC093FA11@NT-IRVA-0751.brcm.ad.broadcom.com> User-Agent: Mutt/1.5.11 X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on thunker.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1181 Lines: 26 On Thu, Aug 03, 2006 at 08:45:31PM -0700, Michael Chan wrote: > ASF is firmware that monitors the system and sends out alerts whenever > certain events happen. So it needs to run before the OS boots or after > it has crashed. When the driver is up and running, the driver and ASF > run independently sending and receiving traffic on the same wire. Of > course, the bandwidth that is used by ASF is a very tiny fraction of the > host traffic. If the system crashes, the FIFO and other resources on > the NIC will be backed up and ASF can no longer function without > resetting the chip. Thanks, that description was very helpful. Would you accept a patch with adding a comment describing this? I couldn't figure it out from looking at the source and googling "ASF" turned up lots of other uses for that particular acronym. It appears that there is no way of disabling ASF; is that a true statement? Thanks, regards, - Ted - 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/