From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from fed1rmmtao01.cox.net (fed1rmmtao01.cox.net [68.230.241.38]) by ozlabs.org (Postfix) with ESMTP id 9643767A6D for ; Wed, 6 Apr 2005 01:47:07 +1000 (EST) Date: Tue, 5 Apr 2005 08:47:00 -0700 From: Tom Rini To: Sven Luther Message-ID: <20050405154700.GY25923@smtp.west.cox.net> References: <20050328232355.GA1982@pegasos> <20050331142813.GH25923@smtp.west.cox.net> <20050331184549.GA28069@pegasos> <4251D5BA.5080905@gmx.net> <20050405053930.GD4604@pegasos> <20050405143802.GS25923@smtp.west.cox.net> <20050405152322.GC25311@pegasos> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20050405152322.GC25311@pegasos> Cc: linuxppc-dev@ozlabs.org Subject: Re: PREP sym53c8xx sym53c8xx brokeness due to 2.6.9-rc1-bk1 introduced residual data patch ... List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Apr 05, 2005 at 05:23:22PM +0200, Sven Luther wrote: > On Tue, Apr 05, 2005 at 07:38:02AM -0700, Tom Rini wrote: > > On Tue, Apr 05, 2005 at 07:39:31AM +0200, Sven Luther wrote: > > > On Tue, Apr 05, 2005 at 02:03:06AM +0200, Christian wrote: > > > > -----BEGIN PGP SIGNED MESSAGE----- > > > > Hash: SHA1 > > > > > > > > Sven Luther wrote: > > > > >>># This is a BitKeeper generated diff -Nru style patch. > > > > >>># > > > > >>># ChangeSet > > > > >>># 2004/08/16 10:35:18-07:00 trini@kernel.crashing.org > > > > >>># ppc32: On PReP, use residual data for PCI dev -> IRQ, and use it. > > > > > > > > > > I got through all the changesets one by one, and it is most definitively this > > > > > one. i unapply it and it works, i apply it and it breaks. > > > > > > > > i can confirm this one. > > > > > > > > the changesets are listed here: > > > > http://linux.bkbits.net:8080/linux-2.6/patch@1.1803.125.6 > > > > > > > > ...and because i had some troubles getting a GNU diff-style patch with > > > > /usr/bin/bk, i made one against 2.6.11.6: > > > > > > > > http://nerdbynature.de/bits/hal/2.6.11.6/1.1803.125.6.diff > > > > > > > > more info and dmesg under: > > > > > > > > http://nerdbynature.de/bits/hal/2.6.11.6/ > > > > > > > > to summarize: i don't know exactly which changes, but *some* changes had > > > > to be made to arch/ppc/platforms/prep_pci.c to get the network card > > > > working [1] again (network code kept locking up the machine). after this > > > > issue was resolved, i too noticed the scsi errors [2] others were > > > > complaing about. > > > > > > The issue seems obvious, the patch adds some different way of setting the > > > irqs, based on the residual data, which fails to do what it should on the > > > powerstack, and thus the irqs are fully left uninitialized. > > > > Can either of you verify that say 2.6.11.6 w/ "noresidual" on the > > command-line works? Thanks. > > Notice that last i checked, there was a typo which forced you to say > "nopresidual", and i think i did add this when i was testing, and it didn't > help. That's a problem, as 'noresidual' was supposed to disable the new stuff introduced here, for boxes that it may have broken. -- Tom Rini http://gate.crashing.org/~trini/