[Mesa-dev] [Bug 99527] Provide option for llvmpipe JIT code to run cleanly under valgrind

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jan 25 02:25:36 UTC 2017


https://bugs.freedesktop.org/show_bug.cgi?id=99527

--- Comment #1 from Roland Scheidegger <sroland at vmware.com> ---
I agree it would be really nice if we wouldn't get valgrind errors.
If you figure out how to fix it, patches welcome...
I tried to look into it at some point but couldn't really figure it out (didn't
invest all that much time though). I'm not even sure this isn't a valgrind bug
(last I checked there could still be some problems with simd instructions).

Tracking this stuff down in jit code isn't exactly easy, and having these
harmless errors makes it more difficult to debug real issues (I've seen invalid
reads and writes which needed to be fixed, and they got kinda buried in the
valgrind output).

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