I'am examine the cause at the moment and still adding reports.

SOFTWARE VERSION:
Newly flashed PR1.2,
RX-51_2009SE_10.2010.19-1_PR_COMBINED_MR0_ARM
RX-51_2009SE_10.2010.13-2.VANILLA_PR_EMMC_MR0_ARM

EXACT STEPS LEADING TO PROBLEM:
1.
2.
3.

EXPECTED OUTCOME:

ACTUAL OUTCOME:

REPRODUCIBILITY:
None yet

EXTRA SOFTWARE INSTALLED:
Extras-devel repository enabled,
Enhanced Linux kernel for power users v37 [non-overclocked]

Affect hildon-status-menu,
Simple Brightness Applet
3G/2G/Dual Mode Selection Applet
Load Applet

Affect hildon-desktop,
Recaller

OTHER COMMENTS:
Using 1 desktop and 3 turned off.
hildon-desktop sometimes in conjunction with Xorg both 15% usage seen in ''top'' (used ''top'' for less graphics intense view wrt Xorg)

Reported bug: https://bugs.maemo.org/show_bug.cgi?id=10412