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Date:      Tue, 22 Sep 2015 21:10:32 -0500
From:      Mark Felder <feld@FreeBSD.org>
To:        freebsd-emulation@freebsd.org
Subject:   Re: VirtualBox mangles memory
Message-ID:  <1442974232.1611559.391070321.7F761DD4@webmail.messagingengine.com>
In-Reply-To: <5601C0B8.4000905@protected-networks.net>
References:  <55FE9662.7000406@aon.at> <1442866256.1127084.389759513.29E96282@webmail.messagingengine.com> <56017026.6040809@aon.at> <CAE-m3X1eZww8FGu1kTmUwn7dyQNXjXySgHO=WRsGEbJKvWL=AA@mail.gmail.com> <5601AB71.9000003@aon.at> <CA%2BtpaK1w=KM93roeecF30Gvgva_sofGCwuDGOWn44y2O2L5x9Q@mail.gmail.com> <5601C0B8.4000905@protected-networks.net>

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On Tue, Sep 22, 2015, at 15:57, Michael Butler wrote:
> On 09/22/15 16:20, Adam Vande More wrote:
> > On Tue, Sep 22, 2015 at 2:26 PM, Martin Birgmeier <la5lbtyi@aon.at> wrote:
> 
> >> I am quite sure that the
> >> cause is to be found there
> >>
> > 
> > I don't see any cause for surety in the info you have given us.  Have you
> > tried any basic steps like monitoring usage during these events or running
> > it under truss/valgrind etc to find out what is going on?
> > 
> 
> Another data point ..
> 
> I run it on -CURRENT and there have been a number of VM-related changes
> of late but I don't have any problems with it.
> 
> However, you *must* recompile (at least) the modules whenever the kernel
> is rebuilt as they depend heavily on the underlying kernel structures,
> 
> 	imb
> 

I agree. Just to be safe we really shouldn't provide packages for the
virtualbox kmods. It's just asking for trouble.


-- 
  Mark Felder
  ports-secteam member
  feld@FreeBSD.org



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