Bug#580901: core i3: suspend to disk break multithreading

[Jonathan Nieder <jrnieder@gmail.com>]

Hi Bill,

In May, 2010, Bill Allombert wrote:

> I have a Sony Vaio laptop with a core i3 processor, dual core and
> hyperthreaded to 4 virtual CPUs.  When compiling with 'make -j4', top
> show the 4 CPUs used.
>
> After suspend-to-disk however, performance degrade to the equivalent of a
> single core system

Thanks for a clear report.  This is said to be fixed by v2.6.32.22~118
(x86, tsc, sched: Recompute cyc2ns_offset's during resume from sleep
states, 2010-08-19), which was part of 2.6.32-24.  Can you confirm?

Sincerely,
Jonathan