[Bug 113] New: assertion failures in _svmh_new_native_local()

http://sablevm.org/bugs/show_bug.cgi?id=113

           Summary: assertion failures in _svmh_new_native_local()
           Product: SableVM
           Version: staging
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: default
        AssignedTo: [email protected]
        ReportedBy: [email protected]
         QAContact: [email protected]


separate bug to fix problems in this one function.

SableVM version trunk+3765
- compile date and time: 2005-03-21 05:07:27 UTC
- gcc version: 3.3.4 20040623 (Gentoo Linux 3.3.4-r1, ssp-3.3.2-2, pie-8.7.6)
- 'real life brokenness' features enabled
- debugging checks enabled
- copying garbage collection
- bidirectional object layout
- switch threaded interpreter

intermittently, but reproducably, i get the following two assertion failures:

sablevm-trunk-debug: local_refs.c:71: _svmh_new_native_local: Assertion
`env->native_locals.free_list->previous == native_local' failed.

sablevm-trunk-debug: local_refs.c:111: _svmh_new_native_local: Assertion
`native_local->previous == ((void *)0)' failed.

this is on magic.cs.mcgill.ca, 4-way opteron (x86_64).

Same SMP testcase as before:

public class ThreadStarter {
    
    public ThreadStarter() {
    }    
    
    public static void main(String[] argv) {
        
        Runnable myRunnable;
        Thread myThread;  

        /* way 1 */
        myRunnable = new IncrementRunnable();
        myThread = new Thread(myRunnable);
        myThread.start();

        /* way 2 */
        myRunnable = new IncrementRunnable();
        myRunnable.run();
    }
}

class IncrementRunnable implements Runnable {

    private int k = 0;

    public IncrementRunnable() {
    }

    public void run() {
        for(int i=0;i<100;i++) {
            k++;
        }
    }
}



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