Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756778Ab3GYX0P (ORCPT ); Thu, 25 Jul 2013 19:26:15 -0400 Received: from s16502780.onlinehome-server.info ([87.106.93.118]:60391 "EHLO fireflyinternet.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756121Ab3GYX0M (ORCPT ); Thu, 25 Jul 2013 19:26:12 -0400 X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.73.22; Date: Fri, 26 Jul 2013 00:25:56 +0100 From: Chris Wilson To: Sedat Dilek Cc: Daniel Vetter , Jani Nikula , Stephen Rothwell , intel-gfx , Linux Kernel Mailing List , DRI , linux-next Subject: Re: [Intel-gfx] linux-next: Tree for Jul 25 [ call-trace: drm | drm-intel related? ] Message-ID: <20130725232556.GF13295@cantiga.alporthouse.com> Mail-Followup-To: Chris Wilson , Sedat Dilek , Daniel Vetter , Jani Nikula , Stephen Rothwell , intel-gfx , Linux Kernel Mailing List , DRI , linux-next References: <20130725184504.GC11514@cantiga.alporthouse.com> <20130725190006.GD11514@cantiga.alporthouse.com> <20130725192248.GA13295@cantiga.alporthouse.com> <20130725215259.GB13295@cantiga.alporthouse.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) X-Originating-IP: 78.156.73.22 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2346 Lines: 63 On Fri, Jul 26, 2013 at 01:21:07AM +0200, Sedat Dilek wrote: > On Thu, Jul 25, 2013 at 11:52 PM, Chris Wilson wrote: > > On Thu, Jul 25, 2013 at 10:07:02PM +0200, Sedat Dilek wrote: > >> What means the bang line? > >> > >> [ 54.564] (II) GLX: Initialized DRI2 GL provider for screen 0 > >> [ 54.565] bang: 1159 > >> [ 54.565] > >> Fatal server error: > >> [ 54.565] failed to create screen resources > > > > That means between the kernel reporting success for > > DRM_IOCTL_I915_GEM_MMAP_GTT and libdrm returning from > > drm_intel_gem_bo_map_gtt(), something went wrong. This implies that the > > call to mmap() failed. > > > > I don't see how changing versions of the ddx would unmask the bug, nor > > why the mmap() should suddenly start failing. Anybody have any > > suggestions other than > > > > diff --git a/src/intel_uxa.c b/src/intel_uxa.c > > index 2f14173..3872258 100644 > > --- a/src/intel_uxa.c > > +++ b/src/intel_uxa.c > > @@ -1149,12 +1149,15 @@ Bool intel_uxa_create_screen_resources(ScreenPtr screen) > > PixmapPtr pixmap; > > intel_screen_private *intel = intel_get_screen_private(scrn); > > dri_bo *bo = intel->front_buffer; > > + int ret; > > > > if (!uxa_resources_init(screen)) > > return FALSE; > > > > - if (drm_intel_gem_bo_map_gtt(bo)) > > + if ((ret = drm_intel_gem_bo_map_gtt(bo))) { > > + ErrorF("%s:%d bang, errno=%d\n", __func__, __LINE__, -ret); > > return FALSE; > > + } > > > > pixmap = screen->GetScreenPixmap(screen); > > intel_set_pixmap_bo(pixmap, bo); > > > > which is most likely to report EINVAL (22)? > > Yupp, this shows me... > > [ 28.542] (II) GLX: Initialized DRI2 GL provider for screen 0 > [ 28.543] intel_uxa_create_screen_resources:1158 bang, errno=22 > [ 28.543] > Fatal server error: > [ 28.543] failed to create screen resources I'm out of ideas, could you bisect this? Either kernel, userspace or both. Thanks, -Chris -- Chris Wilson, Intel Open Source Technology Centre -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/