From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: DMA breakage in 2.6.29-rc* Date: Sat, 31 Jan 2009 07:45:46 +1100 Message-ID: <1233348346.18767.26.camel@pasglop> References: <1233294371.18767.23.camel@pasglop> <18818.61421.549546.38274@harpo.it.uu.se> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from gate.crashing.org ([63.228.1.57]:55789 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754501AbZA3UrG (ORCPT ); Fri, 30 Jan 2009 15:47:06 -0500 In-Reply-To: <18818.61421.549546.38274@harpo.it.uu.se> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Mikael Pettersson Cc: Bartlomiej Zolnierkiewicz , list linux-ide On Fri, 2009-01-30 at 13:17 +0100, Mikael Pettersson wrote: > Benjamin Herrenschmidt writes: > > Hi Bart ! > > > > On a bunch of pmac's, I'm getting lost interrupts when trying to do DMA > > with ide hard disks (first time at boot when reading the partition > > table). It then times out, reverts to PIO and boots fine. > > > > Haven't had time to fully bisect yet, but it seem to be somewhere in the > > pile of IDE patches (surprise :-) that went in around that time. > > On a slightly related note, any update on the pata_macio driver > you posted last summer? As I recall, it worked ok on my G4, except > for some OF/yaboot mismatch which broke ydl's /sbin/installkernel. I needs more work and I didn't get a chance to do that yet.. It will need yaboot's ofboot script to be updated too, unfortunately, as it hard codes things specific to ide-pmac. Cheers, Ben.