Messages in this thread | | | Subject | Re: 2.6.15-rt2 x86_64 SMP instability | From | Lee Revell <> | Date | Sun, 08 Jan 2006 19:30:17 -0500 |
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On Sun, 2006-01-08 at 19:26 -0500, Steven Rostedt wrote: > Yep, this is a known issue, with the x86_64 SMP. The timestamp counter > does not run in sync with each cpu, so the timing gets all screwed up. > If you want to fix this, boot with the command line option idle=poll. > But, unfortunately, this means that the cpu will waste energy even when > it's not doing anything. > > I'm looking into ways to fix this for my main machine which is also a > x86_64 SMP. >
I thought this could be worked around by using the ACPI PM timer?
Lee
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