From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-we0-f174.google.com ([74.125.82.174]:38466 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751777Ab2DMOMM (ORCPT ); Fri, 13 Apr 2012 10:12:12 -0400 Received: by wejx9 with SMTP id x9so1953550wej.19 for ; Fri, 13 Apr 2012 07:12:11 -0700 (PDT) Date: Fri, 13 Apr 2012 16:13:05 +0200 From: Daniel Vetter To: Steven Newbury Cc: linux-pci@vger.kernel.org, DRI mailing list , "Barnes, Jesse" , Bjorn Helgaas , Yinghai Lu Subject: Re: drm-next i915 regression? ( was: Re: PCI resources above 4GB) Message-ID: <20120413141305.GI4525@phenom.ffwll.local> References: <1334229754.30606.7.camel@Nokia-N900> <1334248841.2910.6.camel@Nokia-N900> <1334317529.2910.21.camel@Nokia-N900> <4F8814F7.20808@snewbury.org.uk> <4F8820F0.5010607@snewbury.org.uk> <4F88297B.3020200@snewbury.org.uk> <1334325128.2910.24.camel@Nokia-N900> <4F883364.3080601@snewbury.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <4F883364.3080601@snewbury.org.uk> Sender: linux-pci-owner@vger.kernel.org List-ID: On Fri, Apr 13, 2012 at 03:08:36PM +0100, Steven Newbury wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 13/04/12 14:52, Steven Newbury wrote: > > On Fri, 13 Apr 2012, 14:26:19 BST, Steven Newbury > > wrote: > > > >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 > >> > >> On 13/04/12 13:49, Steven Newbury wrote: > >>> On 13/04/12 12:58, Steven Newbury wrote: > >>> > >>>>> It's not stable, crashes soon after GMA comes up. (Could be > >>>>> unrelated breakage in linus/master? Probably not but I > >>>>> will verify.) I noticed the high allocations are occuring > >>>>> from the top of 64-bit address-space, whilst /proc/cpuinfo > >>>>> shows only 48 bits of virtual addressing. Could that be > >>>>> why..? > >>>> To reply to myself again, I should have said crashes shortly > >>>> after Xorg initialises using the intel driver, in both > >>>> cases! I'm building a kernel now without the patch set to see > >>>> if it's unrelated. If it still dies I'll try applying your > >>>> patch set to a branch without the changes from > >>>> linus/master... (should have done that anyway...) > >>> > >>> Okay, I instead created a branch from an older 3.4-rc1+ kernel > >>> tree, running it now, and it seems to be stable. Something > >>> perhaps in the newer tree not playing nicely. I'll see if I > >>> can bisect it, or at least base of rc2 if that works... (I'm a > >>> little wary of crashing the system too much and losing my btrfs > >>> filesystem...) > >> rc2 is fine as well. Not sure what happened there, I need to be > >> more careful about keeping a clean tree to work from. > > I'm pretty sure the crash was a from a drm-next regression. I'll > > try bisecting it.... > Sorry, posted too soon! Almost as I clicked on send it froze again > (using rc2 + for-pci-res-alloc ). I had problems with the earlier > patches re. X/i915 stability. Strange. I'll see if I can track it down. Please upgrade to the latest version of Linus' upstream git. A few fixes for regressions in drm/i915 just landed there for -rc3. -Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48