Date: Thu, 12 Sep 2013 11:24:00 -0700 From: hiren panchasara <hiren.panchasara@gmail.com> To: Gleb Smirnoff <glebius@freebsd.org>, jeff@freebsd.org Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: Intermittent hangs in vmem_periodic() Message-ID: <CALCpEUHTFbKA=EGOwMsftHTd1-JcxRJ4w_0soNakQkrLtyxiag@mail.gmail.com> In-Reply-To: <20130912181711.GI4574@glebius.int.ru> References: <CALCpEUGherrJbmW9PBO7kSQk1Gj4zigGvvsRiyAwjk-USOXTUw@mail.gmail.com> <20130912092737.GC4574@FreeBSD.org> <CALCpEUGiAh_t-VPkQnU0wyUpEy7mqrLFfSNv_b5pdMg8ednAMw@mail.gmail.com> <CALCpEUHp81UCpFRfytd03iOrY1UT4M5ttMWkGuywVLr9sT6e7Q@mail.gmail.com> <20130912181711.GI4574@glebius.int.ru>
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+jeff On Thu, Sep 12, 2013 at 11:17 AM, Gleb Smirnoff <glebius@freebsd.org> wrote: > On Thu, Sep 12, 2013 at 09:31:17AM -0700, hiren panchasara wrote: > h> > > h> PMC: [INSTR_RETIRED_ANY] Samples: 117647 (100.0%) , 6885 > unresolved > h> > > h> > h> > > h> %SAMP CALLTREE > h> > > h> 75.9 fork_exit@kernel taskqueue_thread_loop > taskqueue_run_locked > h> > > h> vmem_periodic(75.9%) > h> > > > h> > > You probably got DIAGNOSTIC in your kernel config. > h> > > h> > Yes. And I've always had that. Never been a problem before. What has > h> > changed? > h> > > h> > h> Thanks Gleb. > h> I've removed DIAGNOSTIC and the problem is gone now. > h> > h> But the way system was behaving with DIAGNOSTIC, its unusable. > > Please report that to Jeff. With DIAGNOSTIC the system can be slower, > more chatty on console, but should be usable. > Exactly. Thanks Gleb. Jeff: Not sure if you are subscribed to this list. http://lists.freebsd.org/pipermail/freebsd-current/2013-September/044487.html cheers, Hiren
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