From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Wilson Subject: Re: drm i915 hangs on heavy io load Date: Tue, 30 Oct 2012 10:02:18 +0000 Message-ID: <84c8a8$6b195m@orsmga001.jf.intel.com> References: <20121023053830.GA30776@gamma.logic.tuwien.ac.at> <6c3329$6sai31@orsmga002.jf.intel.com> <20121023053830.GA30776@gamma.logic.tuwien.ac.at> <20121024003659.GA30962@gamma.logic.tuwien.ac.at> <20121028024753.GA4254@gamma.logic.tuwien.ac.at> <20121030003942.GC6539@gamma.logic.tuwien.ac.at> Return-path: In-Reply-To: <20121030003942.GC6539@gamma.logic.tuwien.ac.at> Sender: linux-kernel-owner@vger.kernel.org To: Norbert Preining Cc: Dave Airlie , linux-kernel@vger.kernel.org, Daniel Vetter , dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org On Tue, 30 Oct 2012 09:39:43 +0900, Norbert Preining wrote: > Hi Chris, > > On So, 28 Okt 2012, Chris Wilson wrote: > > Yeah, looks like we have another issue to contend with, so can you > > please file a bug on bugzilla.freedesktop.org (or bugzilla.kernel.org) > > so that we don't lose track of it. > > I have seen this here: > https://bugs.freedesktop.org/show_bug.cgi?id=55984 > does it make sense to start a new bug for that? I was fearing it was something different, but since Dave has now found that rc6=0 was not sufficient in his case, it is probably the same. The issue surrounding cpu-relocs was never explained and I suspect that we are still being bitten by that root cause. Along those lines: commit 86a1ee26bb60e1ab8984e92f0e9186c354670aed Author: Chris Wilson Date: Sat Aug 11 15:41:04 2012 +0100 drm/i915: Only pwrite through the GTT if there is space in the aperture is the most contentious patch in 3.7-rc. -Chris -- Chris Wilson, Intel Open Source Technology Centre