[Nouveau] [Bug 98039] KMail crash on starting (nouveau-related)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98039

--- Comment #9 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to Tomasz Paweł Gajc from comment #7)
> (In reply to Ilia Mirkin from comment #6)
> > Nope - none. Those patches are broken-by-design for the general case. Either
> > don't use nouveau_dri.so or don't use [recent versions of] KDE.
> 
> You are saying, don't use anything that make use of multi-threaded OpenGL or
> buy AMD/Intel gfx card :(

You can interpret it as you will. The present situation is that nouveau does
not support threads concurrently calling into it.

This was never a problem until software that had no business doing anything
with GL or nouveau started depending on it without any kind of analysis of
end-user impact (or perhaps they did analyze it and didn't care since they felt
that no one uses nouveau). Somehow the nouveau developers are stuck with the
fallout.

(In reply to Tomasz Paweł Gajc from comment #8)
> BTW i've applied your patches
> https://github.com/OpenMandrivaAssociation/mesa/commit/
> 5657638feb4d45e0c6be04a3326ea3a93e403bc7

Thanks for letting me know. I'll be sure to tell people to try an upstream
version of mesa should they mention that they're using OpenMandriva. (Note that
OpenSuSE attempted something along those lines too, but ended up just not
shipping nouveau_dri.so, I believe.)

I'm going to go ahead and remove that branch to avoid any further confusion
about its suitability. I figured it might let a handful of advanced users make
use of their applications, but it's turning out to cause more harm than good.

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