[ltp] T520/ Opensuse: Crashes on Boot

Tino Keitel linux-thinkpad@linux-thinkpad.org
Fri, 29 Jun 2012 20:51:18 +0200

On Tue, Jun 26, 2012 at 18:23:44 +0200, Uwe Bonnes wrote:
> >>>>> "Jeffrey" == Jeffrey L Taylor <jeff@abluz.dyndns.org> writes:
>     Jeffrey> I have a T520 with a dual core CPU and OpenSuSE 11.4.  The
>     Jeffrey> kernel and/or X was not stable on the Sandy Bridge CPUs.  I
>     Jeffrey> updated to a new vanilla kernel every month or so until it
>     Jeffrey> stopped locking up, version 3.2.4-1-vanilla.  The mike doesn't
>     Jeffrey> work, but everything else does and no lockups.
> But 3.2 doesn't do the RC6 sleep, so the NVIDIA card  draws substantial more
> power and runs the fan more often. Some more recent kernel supporting rc6
> would be fine. 

AFAIK that RC6 stuff is related to Intel graphics only. If it is not
enabled by default, it can be enabled using i915.i915_enable_rc6=1 as a
kernel parameter.