[Mesa-dev] Friday Night Segfaults

Kevin H. Hobbs hobbsk at ohio.edu
Mon Nov 7 12:49:36 PST 2011

On 11/07/2011 03:29 PM, Kevin H. Hobbs wrote:
> I build Mesa OSMesa and xlib from git every night, and then I build and
> test VTK and ParaView against both Mesa libraries all of this on 9 hosts.
> Beginning Friday night basically all of the rendering tests started
> failing with a solid color on OSMesa and segfaulting with xlib.
> I suspect Mesa because my builds seem to be the only ones on the VTK/PV
> dashboards that suddenly had +300 test failures and I'm the only person
> nutty enough to test VTK/PV with Mesa from git.
> I'm rebuilding in debug now to try and track down the segfault, but
> somebody might have an idea now.

The rendering happens, and looks basically correct but the trouble seems
to happen when VTK grabs the image from the the render window.

Eric could these be your changes near glReadPixels?

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