multiple 'calcru: runtime went backwards ...' just after boot

Hi current

Just after boot, ad just after login into Gnome desktop I've get multiple 'calcru: runtime went backwards ...'.
Looks like that every process gets such message.
As I remember issue was solved several times in past, but now it hits again.

It is notebook with powerd running.

Any hints ?

% fgrep -i cpu /var/run/dmesg.boot 
CPU: Intel(R) Pentium(R) M processor 1700MHz (595.40-MHz 686-class CPU)
cpu0: <ACPI CPU> on acpi0
est0: <Enhanced SpeedStep Frequency Control> on cpu0
p4tcc0: <CPU Frequency Thermal Control> on cpu0
cpu0: Cx states changed
%

just after boot:
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 94723 usec to 82391 usec for pid 912 (cupsd)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 2999 usec to 2742 usec for pid 889 (exim-4.63-0)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 1831 usec to 1229 usec for pid 847 (hcsecd)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 176225 usec to 121011 usec for pid 764 (named)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 20229 usec to 16743 usec for pid 691 (syslogd)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 324 usec to 217 usec for pid 417 (moused)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 232 usec to 219 usec for pid 336 (dhclient)
Sep 12 10:13:23 vbook kernel: calcru: runtime went backwards from 5686 usec to 3817 usec for pid 289 (dhclient)
...
just after login to Gnome:
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 1279 usec to 888 usec for pid 1228 (sleep)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 481814 usec to 334777 usec for pid 1222 (evolution-exchange-)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 141758 usec to 100110 usec for pid 1216 (evolution-data-serv)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 5651 usec to 3926 usec for pid 1214 (gnome-screensaver)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 17652 usec to 12265 usec for pid 1205 (mapping-daemon)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 9659 usec to 6711 usec for pid 1196 (xbindkeys)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 22945 usec to 15943 usec for pid 1187 (sh)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 68943 usec to 47903 usec for pid 1187 (sh)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 61009 usec to 42391 usec for pid 1184 (devilspie)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 20544 usec to 14275 usec for pid 1177 (x2x)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 4025918 usec to 2798141 usec for pid 1175 (skype_bin)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 40301 usec to 28002 usec for pid 1173 (gnome-vfs-daemon)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 722 usec to 501 usec for pid 1173 (gnome-vfs-daemon)
Sep 12 10:13:46 vbook kernel: calcru: runtime went backwards from 433026 usec to 300878 usec for pid 1171 (evolution-alarm-not)
...

-- 
Vladimir B. Grebenschikov
SWsoft Inc. vova_at_swsoft.com