[Nouveau] [Bug 71116] [Ubuntu userspace upgrade 13.04 -> 13.10][regression] NV34 card fails to properly resume.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=71116

--- Comment #10 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #6)
> Created attachment 88546 [details]
> 2_Attempt to resume (nouveau.agpmode=0)
> 
> Survives one cycle since I did this from SSH with `pm-hibernate`. Apparently
> Xorg only locksup on resume because of xscreensaver if I press the button in
> XFCE.
I had a strange feeling that mesa is involved :\

If you're up for it you can {re,}move nouveau_dri.so (the 3g/gl "driver") and
confirm it that fixes your s2ram problems.
Note your CPU usage may sky-rocket (the system will fall back to software GL
rendering).

(In reply to comment #9)
[...]
> I'm not totally against bisecting these source packages, but that will then
> be a longterm thing. Furthermore, is all of mesa required? (i.e. I'm not
> using a compositing desktop for that matter (just XFCE)).
> 
Before bisecting anything I would suggest that you absolutely make sure that
you know which package broke things - mesa, xserver-xorg-core,
xserver-xorg-video-nouveau and/or other.

When going through mesa, make sure that you keep all the packages at the same
version.

Here is a crash course of what the different mesa packages provide
Essential parts
* libgl1-mesa-glx -> libGL provider
* libgl1-mesa-dri -> provides the "hardware accelerated drivers"
* libglapi-mesa -> dispatch library

Extra (your system may require one or both depending on what software you have)
* libgbm1
* libegl1-mesa -> libEGL provider

Other
* libopenvg1-mesa -> libOpenVG, afaik noone uses this
* mesa-common-dev -> headers

Not part of mesa (but have mesa in the package name :P)
* libglu1-mesa -> minor suspect
* mesa-utils -> highly unlikely to be related

Have fun :)

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