[Bug 101539] [Regresion] [IVB] Segment fault in recent commit in intel_miptree_level_has_hiz under Ivy bridge

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101539

            Bug ID: 101539
           Summary: [Regresion] [IVB] Segment fault in recent commit in
                    intel_miptree_level_has_hiz under Ivy bridge
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: intel-3d-bugs at lists.freedesktop.org
          Reporter: maximu at gmail.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

hello I'm using Mesa git with Antergos x86_64 + kernel 4.11.6

I detected Broken OpenGL found for me from 
https://cgit.freedesktop.org/mesa/mesa/commit/?id=f60e23cb57724f001bfafdb577cedf660d6917e1

Starting program: /usr/bin/glxgears 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Running synchronized to the vertical refresh.  The framerate should be
approximately the same as the monitor refresh rate.

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff438ca06 in intel_miptree_level_has_hiz (mt=0x0, level=0) at
intel_mipmap_tree.c:1906
1906       return mt->level[level].has_hiz;

if Reverted this commit it's working again (temporally solution)


Regards
Mrc.

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