I started bisecting this. Had to move head several times due to build failures
and runtime problems, but managed to find some more good commits.

$ git bisect log
git bisect start
# good: [aa2f609f7009199999f824970f9c13f016994364] broadcom/vc5: Ignore
samplers for finding uniform offsets.
git bisect good aa2f609f7009199999f824970f9c13f016994364
# bad: [3f7a7bd897ce4d7da50d4f25b1549001abef05cc] r600: implement tg4 integer
workaround. (v2)
git bisect bad 3f7a7bd897ce4d7da50d4f25b1549001abef05cc
# good: [4081e088962315b5c3f4e7030868faf01e7c4a69] winsys/amdgpu: allow non
page-aligned size bo creation from pointer
git bisect good 4081e088962315b5c3f4e7030868faf01e7c4a69
$