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            <b><a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [GLK] launching glbenchmark pruduces Error: XOpenDisplay() failed"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101282#c9">Comment # 9</a>
              on <a class="bz_bug_link 
          bz_status_NEEDINFO "
   title="NEEDINFO - [GLK] launching glbenchmark pruduces Error: XOpenDisplay() failed"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=101282">bug 101282</a>
              from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
        <pre>-intel should work.

diff --git a/hw/xfree86/dri2/dri2.c b/hw/xfree86/dri2/dri2.c
index f9f9859e1..e3fd7f11a 100644
--- a/hw/xfree86/dri2/dri2.c
+++ b/hw/xfree86/dri2/dri2.c
@@ -1656,6 +1656,9 @@ DRI2CloseScreen(ScreenPtr pScreen)
 {
     DRI2ScreenPtr ds = DRI2GetScreen(pScreen);

+    if (!ds)
+        return;
+
     pScreen->ConfigNotify = ds->ConfigNotify;
     pScreen->SetWindowPixmap = ds->SetWindowPixmap;

will prevent the crash, as would fixing -modesetting not to invoke
DRI2CloseScreen if it DRI2OpenScreen didn't succeed which is how it is normally
handled.

To fix DRI2OpenScreen, you need to add the pci-ids to
hw/xfree86/dri2/pci_ids/pci_id_driver_map.h for -modesetting support.</pre>
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