[Nouveau] [Bug 108500] Crash when creating a depth buffer on GeForce 320M

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108500

--- Comment #4 from Timo Wiren <timo.wiren at gmail.com> ---
(In reply to Ilia Mirkin from comment #3)
> Hrmph. Well, nothing in there. So ... what's different about your
> environment?
> 
> I'm on Xorg 1.19, windowmaker, no compositor of any sort. glxgears works
> fine.
> 
> Tell me about your setup.

Nothing custom, just the freshly installed Lubuntu 18.10 64-bit, English
localization, laptop's internal display, no encrypted disks, no compositor
AFAIK.

But I just found a workaround! I downloaded mesa 18.2.3, edited nv50_miptree.c
and disabled compression in nv50_mt_choose_storage_type() for
PIPE_FORMAT_Z24_X8_UNORM. That is, I put "compressed = false;" after tile_flags
= 0x128 + ms;, compiled mesa and ran glxgears with my compiled version and it
didn't crash. I don't know if it's a proper workaround. The issue seems to be
with depth compression, I guess.

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