Nouveau - May 2014 - [Bug 75761] weston-launch no output - black screen

https://bugs.freedesktop.org/show_bug.cgi?id=75761

--- Comment #27 from nerdopolis1 at verizon.net ---
I pulled out my old Dell desktop with a Pentium 4 processor, and AGB Nvidia
card (NV36), and it does the same thing. Mark45 on Phoronix said this issue
affected all 3 of his Nvidia cards when he tried to use my Wayland Live CD.

I added the "got pageflip event" lines as suggested, and it seems that
they
appear multiple times in the log, and seem to keep going until I tty switch,
but the screen is still black. Using a vanilla Ubuntu kernel, and passing
nouveau.config=NvMSI=0 did not work for me, or for Mark45 on any of his Nvidia
cards.

Weston-desktop-shell starts fine, and I also tried weston-simple-shm, which did
not appear, but it did run.  

It can't be a mesa issue, as Weston is using pixman here in this case...

I wish I had tested this sooner, but I wasn't sure if my results on the
older
desktop would reflect on newer Nvidia hardware.

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