RFR(XS): 8225347: [s390] Unexpected exit from stack overflow test

[Doerr, Martin]

Hi Volker,

thanks for the review!
Martin


> -----Original Message-----
> From: Volker Simonis <volker.simonis at gmail.com>
> Sent: Donnerstag, 6. Juni 2019 18:01
> To: Doerr, Martin <martin.doerr at sap.com>
> Cc: hotspot-runtime-dev at openjdk.java.net; Lindenmaier, Goetz
> <goetz.lindenmaier at sap.com>; Schmidt, Lutz <lutz.schmidt at sap.com>
> Subject: Re: RFR(XS): 8225347: [s390] Unexpected exit from stack overflow
> test
> 
> Looks good!
> 
> Thanks for fixing,
> Volker
> 
> On Wed, Jun 5, 2019 at 5:26 PM Doerr, Martin <martin.doerr at sap.com>
> wrote:
> >
> > Hi,
> >
> >
> >
> > test/hotspot/jtreg/compiler/interpreter/cr7116216/StackOverflow.java
> > fails on s390 because the VM exits unexpectedly. Further investigation
> shows that it crashes with segmentation fault when trying to throw a
> StackOverflowException.
> >
> > Problem was only observed in fastdbg build, so it seems to be sufficient to
> increase StackShadowPages for debug builds.
> >
> >
> >
> > Adding one page is sufficient to fix the issue, but I’d like to add 2 ones to be
> on the safe side:
> >
> >
> http://cr.openjdk.java.net/~mdoerr/8225347_s390_shadow_pages/webrev.
> 00/
> >
> >
> >
> > Please review.
> >
> >
> >
> > Best regards,
> >
> > Martin
> >
> >