[Bug 105962] [KBL] "enable_rc6" parameter deprecation brings back freezing

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105962

--- Comment #17 from Imre Deak <imre.deak at intel.com> ---
(In reply to paulz from comment #13)
> [...]
> > I'm guessing the DC state toggling is due to GPU activity, probably due to
> > updating the clock in your GUI. Could you try preventing these updates (and
> > any other GPU activity) for instance by switching away to another VT from
> > your GUI and seeing if the freeze still happens?
> switching away to another VT is NOT possible, its the whole PC that freeze!
> Even SysRq don't work, keyboard is also dead

I meant here to switch to another VT from the GUI before the freeze to avoid
any GPU activity (it looks like it is the periodic clock update based on your
later logs) and see if the freeze still happens.

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