[kaffe] KAFFE_DEBUG set but doesn't enter into gdb

[Dalibor Topic]

On Mon, Mar 27, 2006 at 01:40:49PM +0800, ktlam at cs.hku.hk wrote:
> Sorry for belated, I did not yet merge the later Kaffe classes into Jessica2 
> as was much occuppied by other jobs earlier. I would try to resume it now. But 
> now I face some bugs in Jesscia2 when running TPC-W benchmark. Tutors are 
> helping to solve.
> 
> FYI, the bugs should be related to JIT code, leading to nullException, which 
> comes from SIGSEGV of signal.c in unix-jthreads. Appreciate if you have any 
> ideas.


If you are running it on i686-linux, I'd suggest giving valgrind a go,
it is a dynamic memory checker.

See Kaffe's current kaffe script for how to make it work like gdb, with
KAFFE_DEBUG=valgrind

cheers,
dalibor topic

> 
> Thanks. 
> 
> > ktlam debug: nullException
> > ktlam debug: dispatchException
> > ktlam debug: unhandledException, cname=java/lang/NullPointerException
> > host
> > Internal error: caught an unexpected exception.
> > Please check your CLASSPATH and your installation.
> > java/lang/NullPointerException
> > 
> > 'host' is the thread's name. 
> > 
> > Trust this comes from SIGSEGV of signal.c in unix-jthreads.
> > But dun know why comes out such bad memory accesses. 
> 
> 
> Quoting Dalibor Topic <robilad at kaffe.org>:
> 
> > On Mon, 2006-03-27 at 02:17 +0800, ktlam at cs.hku.hk wrote:
> > > Hi Dalibor, 
> > > 
> > > OIC. Overlooked really. Thanks a lot for reminder. 
> > 
> > I hope it works ;) Did you manage to get past the problems you had with
> > the Jessica/Kaffe update/merge?
> > 
> > cheers,
> > dalibor topic
> > 
> > 
> 
> 
> 
> 
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