On Wed, 25 Jan 2012 12:29:05 +1100, Graeme Russ <graeme.russ at gmail.com> wrote: > Hi All, > > I've been hunting around for information on how to help debug the issue > I'm having - Hopefully someone here can help > > My setup is: > - ASRock Z68 Pro3 Gen3 motherboard > - i5 2500K CPU > - Fedora 16 > - Vanilla 3.2.0+ kernel (commt ccb19d263fd1c9e34948e2158c53eacbff369344) We've had a second report for ASRock Z68 Pro3, https://bugs.freedesktop.org/show_bug.cgi?id=44992. There he mentions that setting the iGPU voltage to fixed (1.25V) rather than auto in the BIOS fixes the system hangs. -Chris -- Chris Wilson, Intel Open Source Technology Centre