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Date:      Sun, 19 Dec 1999 16:00:24 -0800
From:      Devin Butterfield <dbutter@wireless.net>
To:        freebsd-emulation@FreeBSD.ORG
Subject:   Re: VMware: Questions...(not /dev/rtc)
Message-ID:  <385D7198.1AB14969@wireless.net>
References:  <385D67A5.7E7D948B@wireless.net>

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Devin Butterfield wrote:
> 
> Guido van Rooij wrote:
> >
> > On Sat, Dec 18, 1999 at 08:44:39PM -0500, Vladimir N. Silyaev wrote:
> > > > 2. When running VMware I see many messages saying: "linux: syscall
> > > > setresuid is obsoleted or not implemented (pid=255)" going to the
> > > > console.
> > > I think you were ran vmware not from root?
> >
> > The binary is setuid to root so that should not be a problem.
> >
> > >
> > > > 3. Perhaps related to 2., I notice that windows seems to freeze for 2-3
> > > > seconds (with disk activity during this freeze and more messages like in
> > > > 2. going to the console) every 3-4 minutes.
> > > Probably 3. and 2. are non related.
> > >
> > > > Is this somehow related to
> > > > VMware needing a /dev/rtc device? If so, is there any practical way to
> > > > satisfy this need?
> > > I don't know what exactly VMware want from a /dev/rtc. The RTC already used in
> > > kernel, so it doesn't have any chance to port a linux code.
> >
> > I am seeing the same freezes. I am running NT4 on a virtual drive.
> > >From time to time, the NT in vmware freezes. The IDE light on the vmware
> > screen is off, yet there is a tremendous amount of disk activity
> > going on (as seen from iostat or systat -vmstat). I am seeing
> > 100 transaction per second. There is no paging or swapping going on
> > (as seen by FreeBSD), so I can only assume that something is happening
> > inside the virtual drive. But it is NOT NT doing that because
> > otherwise we'd see the IDE pseudo led on...
> >
> > Are there any people that run NT in vmware on a Linux box listening
> > here? If so: do the see the same disk activity?
> >
> > -Guido
> 
> I tried recently to run the same configuration I am using with BSD on a
> Linux box (I actually copied the virtual disk and config file over) and
> there were no problems. So, this is clearly only a problem under BSD.
> When I was first setting up VMware under FreeBSD I remember a dialog box
> which warned me that because I was missing a /dev/rtc device, menus in
> windows may be jerky and or hesitate, and windows would loose time. I am
> thinking that this may be the problem. I will try disabling VMware's
> access to /dev/rtc under Linux and see if that exhibits the same
> behavior. I'll post my results.
> 
> --
> Regards, Devin.
> 

Well, I just tried VMware under linux without the /dev/rtc device, and
VMware does complain in a dialog box, but I am able to run windows just
fine without any freezing.

So, this suggests that the problem is not related to FreeBSD's lack of a
/dev/rtc.
--
Regards, Devin.


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