[Bug general/3822] New: TestFStack(StressTestFStack) ptrace: no such process during teardown.

["npremji at redhat dot com" <sourceware-bugzilla@sourceware.org>]

Occassionally when running TestFStack with FINEST output I get the error (during
teardown):
Note that testStressMultiThreaded was changed to have 20 clones instead of just 7.

There was 1 error:
1) testStressMultiThreadedDetach(frysk.util.StressTestFStack)ptrace: No such process
   at frysk.sys.Errno.throwErrno(TestRunner)
   at frysk.sys.Ptrace$PtraceThread.notifyPtraceThread(TestRunner)
   at frysk.sys.Ptrace.detach(TestRunner)
   at frysk.proc.LinuxPtraceTask.sendDetach(TestRunner)
   at
frysk.proc.LinuxPtraceTaskState$Attached$WaitForUnblock.handleDetach(TestRunner)
   at frysk.proc.Task.performDetach(TestRunner)
   at frysk.proc.LinuxPtraceProcState$Detaching.<init>(TestRunner)
   at frysk.proc.LinuxPtraceProcState$3.handleDetach(TestRunner)
   at frysk.proc.Proc$7.execute(TestRunner)
   at frysk.event.EventLoop.runEventLoop(TestRunner)
   at frysk.event.EventLoop.runPolling(TestRunner)
   at frysk.proc.TestLib.assertRunUntilStop(TestRunner)
   at frysk.proc.TestLib.assertRunUntilStop(TestRunner)
   at frysk.util.TestFStack.multiThreaded(TestRunner)
   at frysk.util.StressTestFStack.testStressMultiThreadedDetach(TestRunner)
   at frysk.junit.Runner.runCases(TestRunner)
   at frysk.junit.Runner.runArchCases(TestRunner)
   at frysk.junit.Runner.runTestCases(TestRunner)
   at TestRunner.main(TestRunner).

Log to follow.

-- 
           Summary: TestFStack(StressTestFStack) ptrace: no such process
                    during teardown.
           Product: frysk
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: general
        AssignedTo: frysk-bugzilla at sourceware dot org
        ReportedBy: npremji at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=3822

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