From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: [PATCH] drm/i915: Fix gem_gtt_cpu_tlb Date: Sat, 18 Aug 2012 11:33:15 +0100 Message-ID: <1345285995_118132@CP5-2952> References: <1345183977-1113-1-git-send-email-ben@bwidawsk.net> <20120817081334.GB5410@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from fireflyinternet.com (smtp.fireflyinternet.com [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id D62359F314 for ; Sat, 18 Aug 2012 03:33:21 -0700 (PDT) In-Reply-To: <20120817081334.GB5410@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Daniel Vetter , Ben Widawsky Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Fri, 17 Aug 2012 10:13:34 +0200, Daniel Vetter wrote: > On Thu, Aug 16, 2012 at 11:12:57PM -0700, Ben Widawsky wrote: > > Revert "agp/intel, drm/i915: Use a write-combining map for updating PTEs" > > > > This reverts commit 15a80851c8166c05c6f600fede1719b29eb70737. > > > > I haven't spent any time looking at the patch but bisection and revert > > testing proves this fixes the issues. Begone ye ext4 errors! > > > > Signed-off-by: Ben Widawsky > > Patched removed from dinq, thanks a lot to you (and Paulo) for digging > this out. The regression appears to have been introduced with SNB. Maybe we should bug the hw engineers about this? -Chris -- Chris Wilson, Intel Open Source Technology Centre