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Date:      Fri, 3 Aug 2012 15:36:13 -0700
From:      Kevin Oberman <kob6558@gmail.com>
To:        Luigi Rizzo <rizzo@iet.unipi.it>
Cc:        Bernhard Fr?hlich <decke@bluelife.at>, FreeBSD Current <freebsd-current@freebsd.org>, "Hartmann, O." <ohartman@zedat.fu-berlin.de>
Subject:   Re: VirtualBox: Eating up 100% CPU, freezing Windows 7
Message-ID:  <CAN6yY1sc7ej9jN7xG5uaQqK5KQvNTgXS4r2GQG3jgHGbBhGqzQ@mail.gmail.com>
In-Reply-To: <20120803134123.GA52965@onelab2.iet.unipi.it>
References:  <501A323E.6000106@zedat.fu-berlin.de> <CAN6yY1v2WeY2-scEo8MRxqDtwQEVkbx4b6cxgDZ48fsC923cAA@mail.gmail.com> <1343972667.4952.5.camel@Nokia-N900-42-11> <20120803134123.GA52965@onelab2.iet.unipi.it>

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On Fri, Aug 3, 2012 at 6:41 AM, Luigi Rizzo <rizzo@iet.unipi.it> wrote:
> On Fri, Aug 03, 2012 at 07:44:27AM +0200, Bernhard Fr?hlich wrote:
>> On Fr.,??  3. Aug. 2012 06:18:33 CEST, Kevin Oberman <kob6558@gmail.com> wrote:
>>
>> > On Thu, Aug 2, 2012 at 12:54 AM, Hartmann, O.
>> > <ohartman@zedat.fu-berlin.de> wrote:
>> > > I discover that when running Windows 7 in a VirtualBox On FreeBSD 10
>> > > (r238968: Wed Aug 1 14:26:40 CEST 2012), VBox is most recent from the
>> > > ports, that the VirtualBox eats up 100% CPU time and freezes Windows 7
>> > > for more than a minute. For a minute or so, I can work, then, the
>> > > freeze occurs again.
>> > >
>> > > I can't see this behaviour with a Ubuntu Guest on the same box. Is
>> > > there Windows 7 specifica to be aware of?
>> >
>> > I am seeing the same thing. Also Win7 guest with Windows showing idle
>> > process at 99%, but my system is showing VB at 100%. The VM is only
>> > running a single CPU, so FreeBSD is still running OK, but the Win7
>> > system seems to freeze up periodically.
>> >
>> > 9.1-PRERELEASE on amd64 updated yesterday (though it has been this way
>> > since VB was updated to 4.1.18. Guest additions for 4.1.18
>> > installed.All ports current. I'm thinking of backing off to 4.1.16.
>>
>> Can someone confirm that this is a regression in 4.1.18? Then I could talk to upstream and see if I can get that adressed.
>
> Could it be a case of kernel and virtualbox modules out of sync ?
> I do see occasional crashes with virtualbox in both the host and guest,
> but a reinstall of in-sync kernel and modules usually fixes them.

Nope. To be really, really sure I just re-built the module and
rebooted. VB still eats 100% CPU (out of 400%) continually.

Thanks for the suggestion, though.
-- 
R. Kevin Oberman, Network Engineer
E-mail: kob6558@gmail.com



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