On Fri, Jul 26, 2013 at 01:21:07AM +0200, Sedat Dilek wrote:
> On Thu, Jul 25, 2013 at 11:52 PM, Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> 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
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