[Nouveau] [Bug 82527] xset dpms force {off, standby, suspend} returns after ~20 seconds (GeForce 8400 GS)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82527

--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Two comments/questions:

(1)

1:10 slim[256]: (EE) module ABI major version (13) doesn't match the server's
version (15)

That seems a little unhappy... I hope that's not referring to the ddx's module.
I guess you have an old module? As long as nouveau's not involved in this, it
shouldn't matter.

(2)

Did you try to do a "xset dpms force off" in that log, or was that not
included. In case it wasn't included, could you?

Lastly, I forgot that the drm core may also provide some useful information.
Would you mind adding "drm.debug=0xe" to the kernel command line in addition to
the nouveau.debug setting I mentioned earlier, and provide a log which also
includes you trying to "xset dpms force off"?

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