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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - vkUpdateDescriptorSets causes SIGSEGV"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99796#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - vkUpdateDescriptorSets causes SIGSEGV"
href="https://bugs.freedesktop.org/show_bug.cgi?id=99796">bug 99796</a>
from <span class="vcard"><a class="email" href="mailto:jason@jlekstrand.net" title="Jason Ekstrand <jason@jlekstrand.net>"> <span class="fn">Jason Ekstrand</span></a>
</span></b>
<pre>(In reply to MW from <a href="show_bug.cgi?id=99796#c5">comment #5</a>)
<span class="quote">> Turns out, I actually screwed up with the validation layers and close to
> nothing was logged, so the errors is:
>
> ERROR: [139684814067950] Code 937 : vkUpdateDescriptorsSets() failed write
> update validation for Descriptor Set 0x38 with error: Attempting write
> update to descriptor set 0x38 binding #0 with type
> VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER but update type is
> VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER. For more information refer to Vulkan Spec
> Section '13.2.4. Descriptor Set Updates' which states 'descriptorType must
> match the type of dstBinding within dstSet'
> (<a href="https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec">https://www.khronos.org/registry/vulkan/specs/1.0-extensions/xhtml/vkspec</a>.
> html#VkWriteDescriptorSet)</span >
That sounds very much like the kind of thing that would cause a segfault on our
driver.
<span class="quote">> Which is quite bizarre since it works on nvidia - but I'll look into it.</span >
They implement descriptor sets differently.</pre>
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