Some of AWT_Modality/Automated/ tests hungs with XSession during execution

Testsuite name: AWT
JDK/JRE tested: 1.6.0_17
OS/architecture: Solaris 9 sun4u 64-bit
Reproducible: Sometimes
Reproducible on machine: stt-23.russia.sun.com
Also reproducible on machine: murcielago.russia.sun.com
Is it a platform specific regression: N
Is it a Regression: Y
 Regression introduced in 1.6.0_17
Test results available at: /set/stt/newroot/results/1.6.0_17/b04_j4b/awt/solaris9_normal-sparcv9/1.6.0_17_b04_j4b_solaris9_normal-sparcv9_02
Running with CDE
During tests execution some of the tests hungs. Xwindows session no more response after that (See an http://vice.russia.sun.com//newroot/results/1.6.0_17/b04_j4b/awt/solaris9_normal-sparcv9/1.6.0_17_b04_j4b_solaris9_normal-sparcv9_02/screen-finish.jpg screenshot )

Not reproduced with Solaris10 Gnome