* Frans Pop <[EMAIL PROTECTED]> wrote:
> 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.
this one from Venki fixed it:
| commit 93ce99e849433ede4ce8b410b749dc0cad1100b2
| Author: Venki Pallipadi <[EMAIL PROTECTED]>
| Date: Mon Nov 17 14:43:58 2008 -0800
|
| x86: add rdtsc barrier to TSC sync check
Ingo
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