Re: Regression in TSC unstable -- confirmed

[Frans Pop]

I'm seeing the same issue with 2.6.30-rc5 (not tested previous RCs on that 
box) on a system for which TSC has always been usable.

$ dmesg | grep TSC
Fast TSC calibration using PIT
checking TSC synchronization [CPU#0 -> CPU#1]: passed.
Marking TSC unstable due to TSC halts in idle

The last line is new with 2.6.30. After reverting a71e4917dc0 the TSC 
works fine again.

The system has a Intel D945GCZ mainboard with dual core Pentium D 
(3.20GHz) processor running x86_64 and Debian Lenny.

Cheers,
FJP

(Thanks to Steven for doing the bisection.)
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