[Bug 89829] [bisected] radeonsi, commit 2cf48c creates artefacts in some applications (worst being Flash animations that are garbage)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89829

--- Comment #4 from Alexandre Demers <alexandre.f.demers at gmail.com> ---
(In reply to Laura Ekstrand from comment #3)
> Does this bug happen on any drivers/platforms besides Chromium on radeonsi?
> 
> I don't have the setup you have, so it's hard for me to test this.  I took a
> look at the named commit, but it's pretty benign.  No error messages are
> changed and the functionality is not directly related to framebuffer
> objects.  (It's the code for Gen buffer objects).  I would be really
> surprised if this was actually the culprit.

If I recompile mesa with the commit just before the one identified as
problematic, everything goes back to normal.

Sadly, I can't tell about Firefox for example, since it's been freezing for
some time now, unrelated to the current bug...

I'm using LLVM 3.6. I've also compiled and tested with latest svn version and
the same bug appears.

I'll have a look at Steam when launched from a terminal: I may have seen
something that began at the same time as the bug seen with Flash and Chromium.
I'll be back with more info.

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