SIGSEGV in C2 compiler

Denis Lila dlila at redhat.com
Tue Nov 23 06:29:22 PST 2010


> Have you tried with -XX:-UseCompressedOops?
> That is the biggest crasher on Fedora atm.
> https://bugzilla.redhat.com/show_bug.cgi?id=647737

Actually, that's the first thing I tried :)

Unfortunately, it still crashes with no compressed oops. This isn't
surprising, since it crashed with HS17, where compressed oops are turned off
by default, along with a couple of other optimizations.

Regards,
Denis.

----- "Mark Wielaard" <mark at klomp.org> wrote:

> On Mon, 2010-11-22 at 15:36 -0500, Denis Lila wrote:
> > > What about the latest hotspot which is hs20-b02?
> > 
> > That also crashes.
> > 
> > >  I think we recently fixed a bad graph bug related to EA.  You can
> try
> > > -XX:-DoEscapeAnalysis. Actually if it reproduces with hs17 then
> it's
> > > probably not the same EA bug. 
> > 
> > Yes, it also crashes with -XX:-DoEscapeAnalysis.
> 


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