timecounting with TSC doesn't work properly on my notebook

[Maxim Sobolev]

Poul-Henning Kamp wrote:
> In message <4421D322.3010901 at digifonica.com>, Maksym Sobolyev writes:
>> Hi,
>>
>> After updating to the recent current (previous one was circa end-2005) I 
>> have found that time on machine goes by 3-4 times faster than wallclock 
>>  with TSC timecounter. Selecting ACPI-safe instead helps.
> 
> It should not default to TSC if it has ACPI-safe.
> 
> The TSC varies with power-save featurs on most laptops.

OK, don't know why but I am having lot of "runtime went backwards" with 
ACPI-safe.

-Maxim