[Mesa-dev] [Bug 94522] llvmpipe crash in rendering on Atom

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94522

--- Comment #14 from Pekka Paalanen <ppaalanen at gmail.com> ---
(In reply to Jose Fonseca from comment #13)
> I wonder if 0xa8ec01b0 is some sort of funky device memory, or if that
> device memory was destroyed before llvmpipe was done.
> 
> After all this is SwapBuffers path.

That's very likely, isn't it?

comicfans44, can you confirm the dri module used, I would assume it is
kms_swrast_dri.so? EGL_LOG_LEVEL=debug environment variable will fish it out.

This is triggered by Weston running on bare VT, so likely the DRM-backend
(which could be confirmed from Weston's output/logs), and since KMS is
involved, I would guess that kms_swrast_dri.so or EGL is using DRM dumb buffers
as targets. Well, if it is not using a shadow buffer. I don't know how
kms_swrast_dri.so works.

Maybe the bug is in the KMS glue code rather than llvmpipe?

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