[Mesa-dev] [Bug 70402] New: SIGSEGV when selecting polygons with i915 (libdricore9.2.0.so)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70402

          Priority: medium
            Bug ID: 70402
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: SIGSEGV when selecting polygons with i915
                    (libdricore9.2.0.so)
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: joe.01.software at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: 9.2
         Component: Mesa core
           Product: Mesa

I'm trying to install Autodesk Softimage on a laptop with i915, and the program
crashes consistently when a polygon is selected. This only happens with
polygons, not NURBS or other implicit objects.

Tried selecting polygons in Blender 3D and the crash didn't happen.

Tried Autodesk Softimage on a different laptop with proprietary NVIDIA driver,
and the crash didn't happen.

Stepping through gdb produced this;

Program received signal SIGSEGV, Segmentation fault.
0x00007fff9a15e284 in run_vp (ctx=0x109aea00, stage=<optimized out>) at
../../../src/mesa/tnl/t_vb_program.c:369
369                 COPY_CLEAN_4V(machine->VertAttribs[attr], size, data);

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