[Nouveau] [Bug 88514] X segfaults when using prime offloading to nouveau card

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88514

--- Comment #7 from aidan at jmad.org ---
(In reply to Tobias Klausmann from comment #5)
> (In reply to Ilia Mirkin from comment #4)
> > https://bugs.freedesktop.org/show_bug.cgi?id=70354
> > 
> > From the backtrace, the crash appears to be happening in core X though...
> > but perhaps as a result of something nouveau or intel is doing wrong.
> 
> That seems to be likely the case. Try to remove xf86-video-nouveau or
> blacklist nouveau_drv.so to let nouveau fallback to modesettings. Or you
> could alternatively try the DRI3 variant of prime offloading:
> http://nouveau.freedesktop.org/wiki/Optimus/
> 
> That wont fix the actual bug but may help to work around this.

I might try one of these solutions.  A couple questions for DRI3: how do I
check if X and mesa have DRI3 support?  Also, what setup do I need to do?  Do I
just need to use DRI_PRIME=1, without using xrandr --setprovideroffloadsink
(like I would for DRI2)?

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