[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 #4 from Roland Scheidegger <sroland at vmware.com> ---
So, it crashed in the jit fragment shader code.
Could you tell what the fb size was (the values from scene->fb in
lp_rast_shade_tile, possibly the ones from the (first) color and zbuffer
themselves)? I was actually wondering at some point what really ensures if
buffers have sufficient alignment - buffers allocated within llvmpipe will
always have that, but the front/back buffers are allocated - elsewhere (they
need to be allocated to 4x4 alignment).
Other than that I'm not sure what the problem could be. You could try some x/i
variant to get the disassembly, which should tell you if it was framebuffer
access or not (as fb accesses are towards the end of the jit code, and they'll
show some fairly typical patterns).

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