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    <body><span class="vcard"><a class="email" href="mailto:ben@bwidawsk.net" title="Ben Widawsky <ben@bwidawsk.net>"> <span class="fn">Ben Widawsky</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [G45] Segmentation fault in get_stencil_miptree"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92103">bug 92103</a>
          <br>
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          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
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           <td style="text-align:right;">CC</td>
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           <td>ben@bwidawsk.net
           </td>
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      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [G45] Segmentation fault in get_stencil_miptree"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92103#c7">Comment # 7</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [G45] Segmentation fault in get_stencil_miptree"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=92103">bug 92103</a>
              from <span class="vcard"><a class="email" href="mailto:ben@bwidawsk.net" title="Ben Widawsky <ben@bwidawsk.net>"> <span class="fn">Ben Widawsky</span></a>
</span></b>
        <pre>You could try:

diff --git a/src/mesa/drivers/dri/i965/brw_misc_state.c
b/src/mesa/drivers/dri/i965/brw_misc_state.c
index 40a8d07bfb..ae4967f15d 100644
--- a/src/mesa/drivers/dri/i965/brw_misc_state.c
+++ b/src/mesa/drivers/dri/i965/brw_misc_state.c
@@ -224,7 +224,7 @@ brw_get_depthstencil_tile_masks(struct intel_mipmap_tree
*depth_mt,
 static struct intel_mipmap_tree *
 get_stencil_miptree(struct intel_renderbuffer *irb)
 {
-   if (!irb)
+   if (!irb || !irb->mt)
       return NULL;
    if (irb->mt->stencil_mt)
       return irb->mt->stencil_mt;</pre>
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