From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 59210C52D7D for ; Sat, 17 Aug 2024 11:24:28 +0000 (UTC) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=127.0.0.1 Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4WmGj65g36z2xfC; Sat, 17 Aug 2024 21:24:26 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=213.95.11.211 Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lst.de (client-ip=213.95.11.211; helo=verein.lst.de; envelope-from=hch@lst.de; receiver=lists.ozlabs.org) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Wm4Dr2KC5z2x99 for ; Sat, 17 Aug 2024 13:32:42 +1000 (AEST) Received: by verein.lst.de (Postfix, from userid 2407) id 2521D68AA6; Sat, 17 Aug 2024 05:32:36 +0200 (CEST) Date: Sat, 17 Aug 2024 05:32:35 +0200 From: Christoph Hellwig To: Michael Ellerman Cc: Niklas Cassel , =?iso-8859-1?Q?Kolbj=F8rn?= Barmen , linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, =?utf-8?B?Sm9uw6HFoQ==?= Vidra , Christoph Hellwig , linux@roeck-us.net Subject: Re: Since 6.10 - kernel oops/panics on G4 macmini due to change in drivers/ata/pata_macio.c Message-ID: <20240817033235.GA28774@lst.de> References: <62d248bb-e97a-25d2-bcf2-9160c518cae5@kolla.no> <3b6441b8-06e6-45da-9e55-f92f2c86933e@ufal.mff.cuni.cz> <87sev81u3f.fsf@mail.lhotse> <87jzgj1ejc.fsf@mail.lhotse> <87jzgg2fqg.fsf@mail.lhotse> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Post: List-Subscribe: , , List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <87jzgg2fqg.fsf@mail.lhotse> User-Agent: Mutt/1.5.17 (2007-11-01) On Sat, Aug 17, 2024 at 09:46:31AM +1000, Michael Ellerman wrote: > Same behaviour on a kernel with PAGE_SIZE = 4KB. > > I don't know why max_sectors_kb starts out with a different value on my > system, but anyway the bug is lurking there, even if it doesn't trip by > default in some configurations. Various distributions use udev rules to increase it.