Re: RFR: 8225329: -XX:+PrintBiasedLockingStatistics causes crash during initia…

[Thomas Stüfe]

On Sat, Sep 26, 2020, 18:42 Martin Doerr <mdoerr at openjdk.java.net> wrote:

> On Sat, 26 Sep 2020 16:23:51 GMT, Thomas Stuefe <stuefe at openjdk.org>
> wrote:
>
> >> …lization on Windows platforms
> >>
> >> This bug was fixed in 11.0.3-oracle, but also exists in 16:
> >> https://bugs.openjdk.java.net/browse/JDK-8225329
> >>
> >> VM crashes when built with VS2017, but passes with this trivial fix.
> >>
> >> jdk16\bin\java -XX:+UnlockDiagnosticVMOptions -XX:+UseBiasedLocking
> -XX:+PrintBiasedLockingStatistics -version
> >> OpenJDK 64-Bit Server VM warning: Temporarily processing option
> UseBiasedLocking; support is scheduled for removal in
> >> 16.0
> >> Seems like we won't need this fix for a long time, but fixes should be
> done upstream for other backports.
> >
> > Hi Martin,
> >
> > looks reasonable. But I am curious what "fixed in Oracle11" means,
> Oracle only fixed this in their 11 release? I cannot
> > find a fix in 11u, nor an associated commit in the bug report, yet it is
> marked as fixed.
> > ..Thomas
>
> Hi Thomas,
> it is only fixed in Oracle's closed source version of JDK11u. I want to
> backport it to the open source version yet.
>

That's odd. But thanks for the clarification!

-------------
>
> PR: https://git.openjdk.java.net/jdk/pull/372
>