vm.pmap.pcid_enabled="1" causes Java to coredump in FBSD 10

[Adrian Chadd]

Have you filed a PR? :-P


-a


On 3 March 2014 14:09, Craig Rodrigues <rodrigc at freebsd.org> wrote:
> [Resending]
>
>
> Hi,
>
> As part of the Jenkins deployment in the FreeBSD cluster
> the jenkins-admin team observed that when running Jenkins on FreeBSD 10,
> the Java virtual machine from the openjdk6 or openjdk7 port
> would coredump regularly.
>
> See item #10 here:  https://wiki.freebsd.org/Jenkins
>
> On the advice of Jung-uk Kim, I put the following in /boot/loader.conf:
>
> vm.pmap.pcid_enabled="0"
>
> and rebooted.
>
> After that, the Java coredumping problems went away.
>
> Can someone with VM expertise look into this problem and suggest a fix?
>
> There are many reports of Java coredumping on FreeBSD 10, such as this
> one:  http://lists.freebsd.org/pipermail/freebsd-java/2014-March/010606.html
>
> It would be good to fix this, so that Java works "out of the box" on
> FreeBSD 10.  It's not good when kernel tunables need to be set
> so that Java can work. :(
>
> Thanks.
>
> --
> Craig
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