RFR: 8265750: Fatal error in safepoint.cpp after backport of 8258414

Severin Gehwolf sgehwolf at redhat.com
Mon Apr 26 13:52:50 UTC 2021

On Fri, 2021-04-23 at 19:34 +0200, Jaroslav Bachorík wrote:
> On Fri, Apr 23, 2021 at 7:22 PM Severin Gehwolf <sgehwolf at redhat.com> wrote:
> > 
> > On Fri, 2021-04-23 at 18:57 +0200, Jaroslav Bachorík wrote:
> > > In 16 and 17 this crash is not happening.
> > 
> > Why?
> I assume because the safepoint assumptions are slightly different?
> The fix for jdk head was pushed more than a month ago. The push was
> done by Markus Gronlund and I assume he wouldn't have pushed that
> without going through the whole shebang of Oracle internal test rigs.
> The backport for 16u is identical to 17. All the affected code in JFR
> is identical. Although there still might be a chance for error the
> same test that failed in 11u did pass for 16 as a part of the
> pre-commit GH actions.
> AFAICT, the issue we are talking about was filed as a reaction to
> failure observed in 11u. The adjustments for the differences between
> JDK head and 11u are the most likely the cause of this failure. There
> is no indication this should apply to any other version than 11u
> unless I am missing something.



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