[Bug 63101] Hard lockup whel launching games like TF2 on kernels 3.11.5 and 3.12 rc4 and above

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=63101

--- Comment #10 from Kertesz Laszlo <laszlo.kertesz at gmail.com> ---
This issue has to do with the radeon driver, because if i dont append
radeon.dpm=1 to the kernel boot options, TF2 launches even with latest 3.12
rc5+ kernel (but it has dismal performance).

Also, the CPU voltage is correct without the dpm option - between 0.9-1.34v,
instead of 0.65-1.22 as it is with dpm.

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