From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org ([63.228.1.57]:39833 "EHLO gate.crashing.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751043AbaLELw3 (ORCPT ); Fri, 5 Dec 2014 06:52:29 -0500 Message-ID: <1417777177.4741.69.camel@kernel.crashing.org> Subject: Re: Regression: bug 85491: radeon 0000:01:00.0: Fatal error during GPU init From: Benjamin Herrenschmidt To: Yinghai Lu Cc: Bjorn Helgaas , "linux-pci@vger.kernel.org" , Alexey Voronkov , David Airlie , Saifi Khan , Alex Deucher , Marek =?ISO-8859-1?Q?Kord=EDk?= , Gavin Shan , weiyang@linux.vnet.ibm.com Date: Fri, 05 Dec 2014 21:59:37 +1100 In-Reply-To: References: <20141204173411.GA5949@google.com> Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-pci-owner@vger.kernel.org List-ID: On Thu, 2014-12-04 at 14:06 -0800, Yinghai Lu wrote: > > I'm considering reverting 5b28541552ef (assuming that would fix this radeon > > regression) because I think the radeon problem is worse than the 74151 > > problem and I think we can solve 74151 in a different way. > > > > Guo, Ben, this would affect you! It's too late to revert 5b28541552ef for > > v3.18, but we really need to work on this for v3.19. > > > > FOr 85491 (the radeon problem), we might be able to work around it by > > fixing the bridge window, but I'm not sure we could even get that done > > before v3.18. I'll work on that today. > > shrink bridge mmio pref range instead of reject it? Guo unfortunately doesn't work for us anymore. Gavin, Richard, can you handle this please ? Cheers, Ben.