From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e23smtp07.au.ibm.com ([202.81.31.140]:33215 "EHLO e23smtp07.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751110AbaLVIRy (ORCPT ); Mon, 22 Dec 2014 03:17:54 -0500 Received: from /spool/local by e23smtp07.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 22 Dec 2014 18:17:52 +1000 Received: from d23relay09.au.ibm.com (d23relay09.au.ibm.com [9.185.63.181]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 124B32BB0060 for ; Mon, 22 Dec 2014 19:17:46 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay09.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id sBM8Hjst34275500 for ; Mon, 22 Dec 2014 19:17:46 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id sBM8HiK7030683 for ; Mon, 22 Dec 2014 19:17:45 +1100 Date: Mon, 22 Dec 2014 16:17:43 +0800 From: Wei Yang To: Yinghai Lu Cc: Bjorn Helgaas , Gavin Shan , Benjamin Herrenschmidt , "linux-pci@vger.kernel.org" , Alexey Voronkov , David Airlie , Alex Deucher , Marek =?iso-8859-1?Q?Kord=EDk?= , Richard Yang Subject: Re: Regression: bug 85491: radeon 0000:01:00.0: Fatal error during GPU init Message-ID: <20141222081743.GA5961@richard> Reply-To: Wei Yang References: <1417777177.4741.69.camel@kernel.crashing.org> <20141208004735.GA15508@shangw> <1418074683.13358.1.camel@kernel.crashing.org> <20141208233855.GA15713@shangw> <20141220002306.GB30834@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Sender: linux-pci-owner@vger.kernel.org List-ID: On Fri, Dec 19, 2014 at 04:34:57PM -0800, Yinghai Lu wrote: >On Fri, Dec 19, 2014 at 4:23 PM, Bjorn Helgaas wrote: >> On Mon, Dec 08, 2014 at 04:21:34PM -0800, Yinghai Lu wrote: >> >> I don't see any patches that resolve the regression (bug 85491) yet. If we >> don't figure something out, I'm going to have to revert 5b28541552ef. > >As you don't like idea to clear the MEM64 bit in resource ... > >After this merging window, I would like to post 5 patches in > >https://git.kernel.org/cgit/linux/kernel/git/yinghai/linux-yinghai.git/log/?h=for-pci-allocate-fit-3.18 >that will make those two systems works with "pci=realloc". > >We could have another patch that enable pci=realloc when VGA bar get >rejected at the first point. > >The point is there is no performance difference between two solutions according >to Marek's test. One quick question. The patch in http://www.spinics.net/lists/linux-pci/msg37377.html doesn't use "pci=realloc" as it mentioned. And seem worked on Marek's machine. We wouldn't take it into consideration? > >Thanks > >Yinghai -- Richard Yang Help you, Help me