[Bug 13911] High IRQ latencies with AMD C1E enabled

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http://bugzilla.kernel.org/show_bug.cgi?id=13911





--- Comment #3 from Michael Laß <bevan@xxxxxxxxx>  2009-08-18 10:14:08 ---
Do you have any evidence that the problem is related to cpufreq? Disabling
Cool&Quiet in BIOS and unloading powernow_k8 module does not help.

It seems that whenever the CPU goes into C1E state the tv card stops working.
If at least one core is under heavy load, everything works fine.

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