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Relates :
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Test: api/javax_sound/sampled/Clip/index.html#ClipTests[Clip2007] - failed. api/javax_sound/sampled/Clip/index.html#ClipTests[Clip2008] - failed. Testcases Clip2006 and Clip2009 are passed. Failed: ( hangs ) on JDK 5 ( checked on u14 rev b04, u13, u12, u10 ) - always on tested host, JDK 6 ( checked on 6u4 b06 ) - in ~ 50% cases on tested host. Not a regression; can be reproduced for for both linux-x586 and linux-amd64 bundles. Passed: RHEL 5 x86, RHEL 4 x86 Passed: with JDK 7 b21 on RHEL 5 x64 ( stt-45.russia ) OS/Platform: RHEL 5 x64. ( Red Hat Enterprise Linux Server release 5 (Tikanga) ) Host: stt-45.russia.sun.com JCK: 1.5a, 6.0a Sound driver/card: Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50 2006 UTC). HDA Intel at 0xfebf8000 irq 58 Testcases Clip2006 and Clip2009 are passed. Desc: 2 JCK 1.5a ( for also 6.0a ) testcases hangs on stt-45.russia, such behavour also can be observed for JDK 6 ( tested on 6u4 b04 ). Test tries to open, start and close sound clip and check LineListener events. For JDK 5 - reproduced in 100% cases on stt-45.russia For JDK 6 - reproduced in ~50% cases on stt-45.russia Investigations( Clip2007 ): test hangs on clip close() method : Line l = null; ... Line.Info infos[] = AudioSystem.getSourceLineInfo(s_info); ... l = AudioSystem.getLine(infos[0]); ... Clip s = (Clip) l; s.addLineListener(listener); // Clip opening, starting, stoping and checking corresponding events with listener s.close(); Modified test output: ------------------------- Clip2007: start Clip2007: get AudioInputStream - OK Clip2007: before setMicrosecondPosition Clip2007: before start Clip2007: before stop Clip2007: after stop Clip2007: before close .....test is hanging ... If we'll remove work with listener from this test - test is passed ( ! ).See modified test ClipTests.zip ( Clip2007 testcase) It looks like some kind of deadlock/race conditions. It looks like not drivers/native code related issue. The similar, but probably not the same problem is described in CR 4912588. How to reproduce: 1. Log on stt-45.russia ( see comments section for details ) 2. cd /set/stt/newroot/workspace/1.5/u14/b04-rev/jck/runtime/RHEL5-amd64-JCK1.5a-runtime/rerun_failed 3. Run ./test5.sh for JDK 5 ( correct script if you need ), ./test6.sh for JDK 6, ./test7.sh for JDK 7 Run also my_test.sh ( it uses modified src ClipTests.java MyLineListener.java from current dir, you can modify if as well ) Attachments: ClipTests.java - test itself MyLineListener.java - LineListener implementation for test Cmd for reproduce: /export/JDK/jdk1.5.0_14/bin/java -cp /net/stt-13.russia/export/stt/jck_promotions/1.5a/fcs/b11/binaries/JCK-runtime-15a/classes javasoft.sqe.tests.api.javax.sound.sampled.Clip.ClipTests -platform.canPlaySound true -platform.soundURL file:///set/stt/jck_promotions/1.5a/fcs/b11/binaries/JCK-runtime-15a//tests/api/javax_sound/sound.wav -TestCaseID Clip2007