[Bug 99796] vkUpdateDescriptorSets causes SIGSEGV

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon Feb 13 19:08:35 UTC 2017


Jason Ekstrand <jason at jlekstrand.net> changed:

           What    |Removed                     |Added
             Status|NEW                         |NEEDINFO

--- Comment #1 from Jason Ekstrand <jason at jlekstrand.net> ---

Unfortunately, that's not really enough info for me to get a good idea of
what's going on.  I've got a couple of guesses:

 1) Something doesn't match between your layout and the descriptors you're

 2) The sampler in an image+sampler combination either doesn't exist or is

 3) ou're using immutable samplers but something is wrong with layouts.

In any case, you should be running with the Vulkan validation layers and making
sure you get no warnings from them.  They *should* catch all of the above.  If
that doesn't work, we'll need a better backtrace.

If you installed the debug info for the mesa vulkan package (they appear to be
available in your PPA), you should be able to get a real backtrace.  Another
option would be to build mesa from source.  It's not terribly hard to do.

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