Re: [Bug #12064] [regression] Measured 688 cycles TSC warp; marking TSC unstable

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On Saturday 22 November 2008, Rafael J. Wysocki wrote:
> Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=12064
> Date		: 2008-11-16 19:27:43 (7 days old)
> References	: http://marc.info/?l=linux-kernel&m=122686370308852&w=2

Looks to be fixed in -rc6:

-Calibrating delay using timer specific routine.. 6198.05 BogoMIPS (lpj=12396107)
+Calibrating delay using timer specific routine.. 6399.82 BogoMIPS (lpj=12799647)
[...]
-checking TSC synchronization [CPU#0 -> CPU#1]:
-Measured 696 cycles TSC warp between CPUs, turning off TSC clock.
-Marking TSC unstable due to check_tsc_sync_source failed
+checking TSC synchronization [CPU#0 -> CPU#1]: passed.

So, BogoMIPS value on CPU#1 is in line with CPU#0 again and TSC passes.
No idea what commit would be responsible.

Cheers,
FJP
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