Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756806Ab3GYR01 (ORCPT ); Thu, 25 Jul 2013 13:26:27 -0400 Received: from s16502780.onlinehome-server.info ([87.106.93.118]:59855 "EHLO fireflyinternet.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756102Ab3GYR0Z (ORCPT ); Thu, 25 Jul 2013 13:26:25 -0400 X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.73.22; Date: Thu, 25 Jul 2013 18:26:16 +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: <20130725172616.GA11514@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: <20130725142705.GM5939@phenom.ffwll.local> <20130725163150.GD6493@cantiga.alporthouse.com> <20130725170144.GE6493@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: 1817 Lines: 53 On Thu, Jul 25, 2013 at 07:15:03PM +0200, Sedat Dilek wrote: > On Thu, Jul 25, 2013 at 7:01 PM, Chris Wilson wrote: > > Basically boils down to either an object allocation failure or mmaping > > failure. I think dmesg with drm.debug=7 is the next step. > > Attached! Thanks for taking care. Hmm, looks like i915_gem_map_gtt fails, but no reason given, so can you please apply this for more debug: diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0563661..34e09bf 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1630,24 +1630,29 @@ i915_gem_mmap_gtt(struct drm_file *file, obj = to_intel_bo(drm_gem_object_lookup(dev, file, handle)); if (&obj->base == NULL) { + DRM_DRIVER_DEBUG("Unknown object handle %d\n", handle); ret = -ENOENT; goto unlock; } if (obj->base.size > dev_priv->gtt.mappable_end) { + DRM_DRIVER_DEBUG("Object (%d) larger than mappable aperture (%d) > %d\n", + (int)obj->base.size, (int)dev_priv->gtt.mappable_end); ret = -E2BIG; goto out; } if (obj->madv != I915_MADV_WILLNEED) { - DRM_ERROR("Attempting to mmap a purgeable buffer\n"); + DRM_DRIVER_DEBUG("Attempting to mmap a purgeable buffer\n"); ret = -EINVAL; goto out; } ret = i915_gem_object_create_mmap_offset(obj); - if (ret) + if (ret) { + DRM_DRIVER_DEBUG("Failed to allocate mmap offset (ret=%d)\n", ret); goto out; + } *offset = (u64)obj->base.map_list.hash.key << PAGE_SHIFT; -- 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/