Cingular is experiencing a crash in the JVM 3-4 times per week in production.  The runtime environment consists of JVM 1.4.2_03 with WebLogic Server 8.1 SP2.  The crashes are exhibiting multiple symptoms (some of which look like Bug ID 5008819), but appear to be C2 HotSpot compiler crashes:

 --- called from signal handler with signal -14217216 (SIG Unknown) ---
const Type*URShiftINode::Value(PhaseTransform*)const
Node*PhaseIterGVN::transform_old(Node*)
void PhaseIterGVN::optimize()
void Compile::Optimize()
Compile::Compile(ciEnv*,ciScope*,ciMethod*,int,int,int)
void C2Compiler::compile_method(ciEnv*,ciScope*,ciMethod*,int,int)
void CompileBroker::invoke_compiler_on_method(CompileTask*)
void CompileBroker::compiler_thread_loop()
void JavaThread::run()
_start (f0970, ff271000, 0, 0, 0, 0) + 134        
_lwp_start (0, 0, 0, 0, 0, 0)          


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