26 Sound tests fails on jdk 7 b23 on linux

JDK : JDK 7 b23
testbase : /net/vice.russia/export/home0/dtf/dtf_ws/suites/6.0/sound/
Computer : preved.russia

Tests fails on jdk 7 and passed on jdk 6.
Regression from jdk7b06 to jdk 7b23

1 New falling tests on x64-rhel4-jvm64,x64-rhel5-jvm32,x64-rhel5-jvm64,x86-rhel4-jvm32,x86-rhel5-jvm32:
test205:

Error messages:
===============
http://jsqalab.sfbay/results/7.0/b23/Sound/x86-sles10-jvm32/stt-36/sound-sound_stt_suites_stt-362007-11-22-14-47-19/stt-robot.Linux.i386/test205/test205.eout


2 New falling tests on x64-sles10-jvm32,x64-sles10-jvm64,x86-sles10-jvm32,x86-suse10-jvm32:
test020
test026
test031
test032
test034
test035
test036
test038
test047
test048
test049
test050
test051
test061
test063
test070
test071
test072
test092
test096
test097
test200
test203
test204
test205
test207

Error messages:
===============
http://jsqalab.sfbay/results/7.0/b23/Sound/x86-sles10-jvm32/stt-36/sound-sound_stt_suites_stt-362007-11-22-14-47-19/stt-robot.Linux.i386/test048/test048.err

#cat test048.err

Note: /net/stt-13/export/home0/dtf/dtf_ws/suites/6.0/sound/src/../share/lib/classes/TestPrefs.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
Note: /net/stt-13/export/home0/dtf/dtf_ws/suites/6.0/sound/src/../share/lib/classes/SoundFinder.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
javax.sound.sampled.LineUnavailableException: Audio Device Unavailable
at com.sun.media.sound.HeadspaceMixer.nResume(Native Method)
at com.sun.media.sound.HeadspaceMixer.implOpen(HeadspaceMixer.java:344)
at com.sun.media.sound.AbstractMixer.open(AbstractMixer.java:303)
at com.sun.media.sound.AbstractMixer.open(AbstractMixer.java:340)
at com.sun.media.sound.MixerClip.open(MixerClip.java:160)
at com.sun.media.sound.MixerClip.open(MixerClip.java:254)
at test048.runTest(test048.java:86)
at test048.main(test048.java:154)

Results:
===============

http://jsqalab.sfbay/results/7.0/b23/Sound/