[Nouveau] [Bug 87942] [NVE7] Unable to use nouveau

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87942

--- Comment #9 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to bruno.pagani from comment #8)
> (In reply to Ilia Mirkin from comment #7)
> > This means you're not going to get acceleration no matter how hard you try
> > to change your config, I'm afraid. See bug 70354.
> >
> 
> So in fact PRIME would not be working either?

The GPU's graph unit, responsible for all acceleration, is having trouble
initializing. You would still be able to use reverse-prime though, I think.
(i.e. use the intel gpu to render to screens attached to the nvidia gpu --
sometimes HDMI/etc are that way).

>  
> > X has to start after nouveau loads, otherwise it doesn't know about the
> > nouveau adapter. (This may no longer be the case with DRI3-based offloading
> > actually...)
> 
> Then, is there a way to force nouveau to load at boot, and else, is
> restarting X after loading nouveau supposed to work (for the record, tried
> that, and it doesn’t work either, but I’m not sure if it is supposed to work
> since it looks like I’m indeed affected by the issue you’ve linked).

Depends on the "it" that you're talking about. You should be seeing
NOUVEAU(GPU-0) messages in your xorg log if you start X after nouveau has
loaded. Do you not?

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