On Mon, Dec 10, 2012 at 5:29 PM, Paul W. Frields <[email protected]>wrote:
> On Fri, Dec 07, 2012 at 04:02:09PM +0100, Christian Menzel wrote: > > Hi, > > > > while my Thinpad X220 normally shows 50 to 60 degrees Celsius, when > > running on normal load, it gets hot to 90 to 96 degrees Celsius after > > resume from suspend, although top does not show any CPU eating processes. > > I think I experience this behavior since switching to kernel 3.6.x. > > > > Does this happen on other machines too? Is there a cure for it? > > You're probably seeing this bug, where the GPU gets stuck in power-on > mode: > > https://bugzilla.redhat.com/show_bug.cgi?id=866212 > > I've found that if you add 'i915.i915_enable_rc6=7' to your boot line, > it will work around the bug about 60-70% of the time. When it > doesn't, suspending and resuming again (i.e. closing lid for a few > seconds and reopening) usually makes the workaround take hold. > Hi Paul, yes that sounds exactly like the issue I'm experiencing, thanks for the workaround, I'll try it out. Regards Chris
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