Date: Fri, 21 Feb 2014 18:13:19 -0500 From: Jung-uk Kim <jkim@FreeBSD.org> To: attilio@FreeBSD.org, Craig Rodrigues <rodrigc@freebsd.org> Cc: Dmitry Sivachenko <trtrmitya@gmail.com>, Xin Li <delphij@freebsd.org>, FreeBSD Security Team <secteam@freebsd.org>, FreeBSD Release Engineering Team <re@freebsd.org>, "freebsd-java@freebsd.org" <freebsd-java@freebsd.org> Subject: Re: vm.pmap.pcid_enabled="0" seems to eliminate Java/Jenkins crashing problems in FBSD 10 Message-ID: <5307DD8F.5020501@FreeBSD.org> In-Reply-To: <CAJ-FndBKMg9NVm=qn2hmfEbFH-ZVPFr92gVHz3MkbgVXK=xpug@mail.gmail.com> References: <CAG=rPVeZGSs5_rRpRgdoSNK988TYY%2BBK76qeprWcR1JC64ekKQ@mail.gmail.com> <CAJ-FndBKMg9NVm=qn2hmfEbFH-ZVPFr92gVHz3MkbgVXK=xpug@mail.gmail.com>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 2014-02-21 17:54:58 -0500, Attilio Rao wrote: > On Thu, Feb 20, 2014 at 5:45 AM, Craig Rodrigues > <rodrigc@freebsd.org> wrote: >> Hi, >> >> I am followed Jung-uk Kim's advice here: >> >> http://lists.freebsd.org/pipermail/freebsd-java/2014-February/010582.html >> >> >> >> and configured the one of the FreeBSD stable/10 VM's (running at r261732) >> that I have running under BHyve with the following in >> /boot/loader.conf: >> >> vm.pmap.pcid_enabled="0" > > IIRC PCID had to be already disabled by default as we saw it was > slower in the real world or I'm missing something? No, it is enabled by default on all 10+ AFAICT. http://svnweb.freebsd.org/base/head/sys/amd64/amd64/pmap.c?annotate=261781#l370 http://svnweb.freebsd.org/base/stable/10/sys/amd64/amd64/pmap.c?annotate=260467#l370 http://svnweb.freebsd.org/base/releng/10.0/sys/amd64/amd64/pmap.c?annotate=259065#l370 Jung-uk Kim -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQEcBAEBAgAGBQJTB92PAAoJEHyflib82/FGt1kH/j+xmZzvuisHwqhV/iyWwqTv J5P4pYUp+yFcg6B4riBcpxlmZ5ZG2KCSK5NJZVZXX0p6UWW1MLeZc8siZPaCPdg8 I3DtkIQeZEjoFxtcP96K2IzDZBDzw5d8Kh4kZeFXXSJKX6LIW4XJVmGdhgoBN5Cd ExIcOS+J3dY9s3QCeb9lpHsx6BWW6ziIVcALRmYI/opbTGbSW7pvbd+BX8WP2TZs BH+SCLNkciLfNnFhm+nbZ+r3nIRB7/G+zlFTPzFYgQhATgGA8KRR1G6HPF0Zlcmm LNssZSUGyJmM0ZA2TPbQyd/bq9kYzKcPL2k8zVvMdqk2Rp1AuPMF0inj4OmR9eM= =Sv2D -----END PGP SIGNATURE-----
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