[Webkit-unassigned] [Bug 46933] New: old-run-webkit-tests deadlocked on leopard commit-bot

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=46933

           Summary: old-run-webkit-tests deadlocked on leopard commit-bot
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Mac OS X 10.5
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Tools / Tests
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: eric at webkit.org
                CC: abarth at webkit.org


old-run-webkit-tests deadlocked on leopard commit-bot

old-run-webkit-tests seems blocked in read:


Analysis of sampling perl (pid 64922) every 1 millisecond
Call graph:
    8823 Thread_2507
      8823 0x1ee6
        8823 0x204e
          8823 perl_run
            8823 Perl_runops_standard
              8823 Perl_do_readline
                8823 Perl_sv_gets
                  8823 PerlIO_getc
                    8823 PerlIOStdio_read
                      8823 fgetc
                        8823 __srget
                          8823 __srefill
                            8823 read
                              8823 read

Total number in stack (recursive counted multiple, when >=5):

Sort by top of stack, same collapsed (when >= 5):
        read        8823


As does DumpRenderTree:


Analysis of sampling DumpRenderTree (pid 65489) every 1 millisecond
Call graph:
    6206 Thread_2907
      6206 start
        6206 main
          6206 dumpRenderTree(int, char const**)
            6206 fgets
              6206 __srefill
                6206 read
                  6206 read
    6206 Thread_2a03
      6206 thread_start
        6206 _pthread_start
          6206 __NSThread__main__
            6206 -[NSThread main]
              6206 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:]
                6206 CFRunLoopRunInMode
                  6206 CFRunLoopRunSpecific
                    6206 mach_msg
                      6206 mach_msg_trap
                        6206 mach_msg_trap
    6206 Thread_2b03
      6206 thread_start
        6206 _pthread_start
          6206 CFURLCacheWorkerThread(void*)
            6206 CFRunLoopRunInMode
              6206 CFRunLoopRunSpecific
                6206 mach_msg
                  6206 mach_msg_trap
                    6206 mach_msg_trap
    6206 Thread_2c03
      6206 thread_start
        6206 _pthread_start
          6206 WTF::TCMalloc_PageHeap::runScavengerThread(void*)
            6206 WTF::TCMalloc_PageHeap::scavengerThread()
              6206 pthread_cond_wait$UNIX2003
                6206 __semwait_signal
                  6206 __semwait_signal
    6206 Thread_2d03
      6206 thread_start
        6206 _pthread_start
          6206 ReadSchedulerThreadEntryPoint
            6206 TSWaitOnSemaphoreCommon
              6206 TSWaitOnConditionTimedRelative
                6206 pthread_cond_timedwait_relative_np
                  6206 _pthread_cond_wait
                    6206 semaphore_timedwait_signal_trap
                      6206 semaphore_timedwait_signal_trap
    6206 Thread_2e03
      6206 thread_start
        6206 _pthread_start
          6206 CAPThread::Entry(CAPThread*)
            6206 HALRunLoop::OwnThread(void*)
              6206 CFRunLoopRunInMode
                6206 CFRunLoopRunSpecific
                  6206 mach_msg
                    6206 mach_msg_trap
                      6206 mach_msg_trap
    6206 Thread_2f03
      6206 thread_start
        6206 _pthread_start
          6206 select$DARWIN_EXTSN
            6206 select$DARWIN_EXTSN
    6206 Thread_3003
      6206 thread_start
        6206 _pthread_start
          6206 glvmDoWork
            6206 pthread_cond_wait$UNIX2003
              6206 __semwait_signal
                6206 __semwait_signal

Total number in stack (recursive counted multiple, when >=5):
        7       _pthread_start
        7       thread_start

Sort by top of stack, same collapsed (when >= 5):
        mach_msg_trap        18618
        __semwait_signal        12412
        read        6206
        select$DARWIN_EXTSN        6206
        semaphore_timedwait_signal_trap        6206

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