[Webkit-unassigned] [Bug 216777] REGRESSION(r267010) [GLIB] compositing/video/video-update-rendering.html is a flaky crash

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=216777

--- Comment #10 from Philippe Normand <pnormand at igalia.com> ---
(In reply to Carlos Alberto Lopez Perez from comment #9)
> (In reply to Carlos Alberto Lopez Perez from comment #8)
> > Looking into the Mesa repository I spotted two commit that we don't have in
> > our branch and looks like two good candidates to be merged with the hope of
> > fixing this issue.
> > 
> > - https://gitlab.freedesktop.org/mesa/mesa/-/commit/045267d1e62
> > - https://gitlab.freedesktop.org/mesa/mesa/-/commit/de3d7dbed52
> > 
> 
> I pasted the wrong commit, the second should be
> https://gitlab.freedesktop.org/mesa/mesa/-/commit/46b3cb011fd (instead of
> de3d7dbed52), and this one is already merged on the branch we are using.
> 
> So the only one we miss is 045267d1e62. Here is a patch for webkit/bst for
> trying: http://ix.io/2CfG
> 

I can add this in the SDK.

> If backporting this commits doesn't fix the issue then another option we
> have is to disable this assertion on Mesa. We can do that by setting
> "-Db_ndebug=true" in mesa.bst
> 
> Ideally we would have two builds of mesa, one with "-Db_ndebug=false" for
> Debug builds and other with "-Db_ndebug=true" for release builds so that
> only on debug builds the asserts for Mesa are enabled. But maybe having that
> is still not possible, not sure.

Not easily possible currently. To have this behavior I think we could use a new Flatpak extension that would be enabled only for WK Debug builds, but it's not trivial to accomplish.

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