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"Worker-80" prio=10 tid=0x0a1eb000 nid=0x2ad2 in Object.wait() [0x8c006000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at org.eclipse.core.internal.jobs.Semaphore.acquire(Semaphore.java:39) - locked <0x96128e48> (a org.eclipse.core.internal.jobs.Semaphore) at org.eclipse.core.internal.jobs.OrderedLock.doAcquire(OrderedLock.java:176) at org.eclipse.core.internal.jobs.OrderedLock.acquire(OrderedLock.java:110) at org.eclipse.core.internal.jobs.OrderedLock.acquire(OrderedLock.java:84) at org.eclipse.cdt.internal.core.settings.model.xml.XmlProjectDescriptionStorage.getProjectDescription(XmlProjectDescriptionStorage.java:224) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescriptionInternal(CProjectDescriptionManager.java:416) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:398) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:393) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:386) at org.eclipse.cdt.internal.core.model.CProject.computeSourceRoots(CProject.java:603) at org.eclipse.cdt.internal.core.model.CProject.getAllSourceRoots(CProject.java:503) at org.eclipse.cdt.internal.core.model.CProject.findSourceRoot(CProject.java:465) at org.eclipse.cdt.internal.core.model.CModelManager.create(CModelManager.java:377) at org.eclipse.cdt.internal.core.model.BinaryRunner$Visitor.visit(BinaryRunner.java:223) at org.eclipse.core.internal.resources.Resource$1.visitElement(Resource.java:64) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:82) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.doIteration(ElementTreeIterator.java:86) at org.eclipse.core.internal.watson.ElementTreeIterator.iterate(ElementTreeIterator.java:127) at org.eclipse.core.internal.resources.Resource.accept(Resource.java:74) at org.eclipse.cdt.internal.core.model.BinaryRunner$1.run(BinaryRunner.java:122) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) "Worker-78" prio=10 tid=0x8a126000 nid=0x29ce in Object.wait() [0x8c14a000] java.lang.Thread.State: TIMED_WAITING (on object monitor) at java.lang.Object.wait(Native Method) at org.eclipse.core.internal.jobs.Semaphore.acquire(Semaphore.java:39) - locked <0x960c6e88> (a org.eclipse.core.internal.jobs.Semaphore) at org.eclipse.core.internal.jobs.JobManager.join(JobManager.java:847) at org.eclipse.core.internal.jobs.InternalJob.join(InternalJob.java:380) at org.eclipse.core.runtime.jobs.Job.join(Job.java:385) at org.eclipse.cdt.internal.core.model.BinaryRunner.waitIfRunning(BinaryRunner.java:157) at org.eclipse.cdt.internal.core.model.BinaryRunner.stop(BinaryRunner.java:170) at org.eclipse.cdt.internal.core.model.CModelManager.removeBinaryRunner(CModelManager.java:805) at org.eclipse.cdt.internal.core.model.CModelManager.removeBinaryRunner(CModelManager.java:796) at org.eclipse.cdt.internal.core.model.CProject.closing(CProject.java:734) at org.eclipse.cdt.internal.core.model.CModelManager.releaseCElement(CModelManager.java:539) at org.eclipse.cdt.internal.core.model.CElement.close(CElement.java:381) at org.eclipse.cdt.internal.core.settings.model.PathEntryConfigurationDataProvider.createData(PathEntryConfigurationDataProvider.java:336) at org.eclipse.cdt.internal.core.settings.model.PathEntryConfigurationDataProvider.createData(PathEntryConfigurationDataProvider.java:274) at org.eclipse.cdt.internal.core.settings.model.PathEntryConfigurationDataProvider.loadConfiguration(PathEntryConfigurationDataProvider.java:363) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.loadData(CProjectDescriptionManager.java:1115) at org.eclipse.cdt.internal.core.settings.model.CConfigurationDescriptionCache.loadData(CConfigurationDescriptionCache.java:95) at org.eclipse.cdt.internal.core.settings.model.CProjectDescription.loadDatas(CProjectDescription.java:196) at org.eclipse.cdt.internal.core.settings.model.xml.XmlProjectDescriptionStorage.loadProjectDescription(XmlProjectDescriptionStorage.java:486) at org.eclipse.cdt.internal.core.settings.model.xml.XmlProjectDescriptionStorage.getProjectDescription(XmlProjectDescriptionStorage.java:231) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescriptionInternal(CProjectDescriptionManager.java:416) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:398) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:393) at org.eclipse.cdt.internal.core.settings.model.CProjectDescriptionManager.getProjectDescription(CProjectDescriptionManager.java:386) at org.eclipse.cdt.internal.ui.viewsupport.ExcludedFileDecorator.decorate(ExcludedFileDecorator.java:40) at org.eclipse.ui.internal.decorators.LightweightDecoratorDefinition.decorate(LightweightDecoratorDefinition.java:263) at org.eclipse.ui.internal.decorators.LightweightDecoratorManager$LightweightRunnable.run(LightweightDecoratorManager.java:81) at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42) at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.decorate(LightweightDecoratorManager.java:365) at org.eclipse.ui.internal.decorators.LightweightDecoratorManager.getDecorations(LightweightDecoratorManager.java:347) at org.eclipse.ui.internal.decorators.DecorationScheduler$1.ensureResultCached(DecorationScheduler.java:371) at org.eclipse.ui.internal.decorators.DecorationScheduler$1.run(DecorationScheduler.java:331) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:54) Note that this specific deadlock can only occur with "old-style" C/C++ projects. It looks like this can be easily solved by waiting for the BinaryRunner in CProject.closing() before flushing the project info cache, so that the BinaryRunner does not try to recreate the cache.
Related to bug 296562.
CQ:WIND00276703
Created attachment 197679 [details] Patch That's the simple fix described above.
Fixed in master and cdt_8_0.
