[Bug 172] New: GC assertion failure with smaller/limited heap (running RCBroken)

http://sablevm.org/bugs/show_bug.cgi?id=172

           Summary: GC assertion failure with smaller/limited heap (running
                    RCBroken)
           Product: SableVM
           Version: trunk
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: default
        AssignedTo: [email protected]
        ReportedBy: [email protected]
         QAContact: [email protected]


To reproduce (I did it with current trunk):

0. Install SableVM with debugging features enabled.
1. svn co svn+ssh://svn.sablevm.org/gadek/locking-new/benchmarks/RCBroken
2. cd RCBroken && javac RCBroken.java
3. sablevm -Y -p sablevm.heap.size.min=100000 -p sablevm.heap.size.max=1600000
RCBroken

Every once in a while you should get something like:

sablevm: gc_copying.c:121: _svmf_copy_object: Assertion `((void *) obj) >=
env->vm->heap.start && ((void *) obj) < env->vm->heap.alloc' failed.
Aborted

You might need to experiment with different values of sablevm.heap.size.max
The basic idea is to set it small.  The assertion should happen within the first
few seconds.  If it doesn't - then it probably won't happen later, just stop the
benchmark (Ctrl+C) and try again.

I have not seen it happening when the size of heap is unlimited.



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