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virtualizing...



I recently tried out KVM on a laptop with a Core 2 Duo CPU.
I had to change a BIOS setting to enable the hardware virtualization,
and after doing that I found the VM guest seemed to run much
faster than the equivalent VMware Workstation guest.



On Thu, Nov 13, 2008 at 2:42 PM, Stephen Adler <adler-wRvlPVLobi1/31tCrMuHxg at public.gmane.org> wrote:
> I do the same thing, run gnome, then on top of gnome/linux I run VMWare, it
> boots into windows, then
> I run VMWare/windows client in full screen mode. The problem is that the
> sound quality in VMWare is
> very poor due to the real time clock implementation running within VMWare,
> so if I try to run any kind
> of multi-media application I get poor results. Thus I want to get one level
> closer to the hardware through
> full virtualization and hopefully have good multi-media on both Linux and
> Windows. The ideal setup
> would be one in which I can run my full desktop on gnome/Linux and then
> switch over to Windows and
> then run a full GL video game....
>
> ref wrote:
>>
>> On Thu, 2008-11-13 at 12:40 -0500, John Abreau wrote:
>>
>>>
>>> You can always run a second X session on another console, and
>>> run the Windows guest expanded to full-screen within that.
>>> Something like
>>>
>>>    startx /usr/bin/twm -- :1
>>>
>>> Then toggle between them with Ctrl-Alt-F7 and Ctrl-Alt-F8.
>>> If you don't specify an alternate startup item like twm, then
>>> gnome will notice that you're already running a gnome session,
>>> and exit from the :1 session immediately.
>>>
>>>
>>
>> I do this a lot with VMware. Once gnome boots up and I ahve my desktop,
>> I open vmware. When XP boots, I run it full screen. Then to get back to
>> Gnome I hit trl-AltF7, and to get to windows I need o use Ctrl-Alt-F8.
>> It really is rather nifty for me as I do a lot of web development, and
>> need to see what output looks like on windows systems, but do all my
>> work in Linux (Currently Ubuntu 8.10, which so far is great)
>>
>> I have also added ano0ther logged on user, and then had my desktop on
>> CA-F7, Windows on CA-f8, and my g/f's desktop on CA-F9
>>
>>
>> Richard
>>
>>
>>
>>>
>>> On Thu, Nov 13, 2008 at 12:15 PM, Stephen Adler <adler-wRvlPVLobi1/31tCrMuHxg at public.gmane.org>
>>> wrote:
>>>
>>>>
>>>> Thanks Bill,
>>>>
>>>> My home system is a core 2 quad Q9550. I believe it has the features
>>>> needed to support full virtualization. (vmx)
>>>>
>>>> The bit which puzzles me, is how do the virtual machine share the
>>>> graphics adapter? Is there some kind of virtual adaptor which which
>>>> multiplexes down to the physical adapter? Or are the virtual systems
>>>> running in a console-less mode and direct their output to some virtual
>>>> serial port?
>>>>
>>>> Bill Bogstad wrote:
>>>>
>>>>>
>>>>> On Thu, Nov 13, 2008 at 8:55 AM, Stephen Adler <adler-wRvlPVLobi1/31tCrMuHxg at public.gmane.org>
>>>>> wrote:
>>>>>
>>>>>
>>>>>>
>>>>>> Guys,
>>>>>>
>>>>>> I'm thinking I may take on virtualization as my holiday hobby. But
>>>>>> before I do, I was wondering if the following concept actually applies
>>>>>> to the linux zen kernels.
>>>>>>
>>>>>>
>>>>>
>>>>> I assume you actually mean Xen.
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>> Can I have linux and windows running virtually, on my desktop, and
>>>>>> through some hot key, switch between then, console and all? In other
>>>>>> words, say I'm running Linux in full desktop mode, with gnome running
>>>>>> and icons on my desktop splashed across my dual monitor setup. Then by
>>>>>> typing I dunno F12 or what ever, it switches to a windows desktop,
>>>>>> where
>>>>>> windows explorer now controls my dual monitor desktop and windows
>>>>>> icons
>>>>>> are splashed cross my dual monitor setup?
>>>>>>
>>>>>>
>>>>>
>>>>> It depends.  Since Microsoft doesn't support Xen paravirtualization,
>>>>> you have to use full virtualization.
>>>>> Xen only supports this on CPUs which have some hardware support for
>>>>> virtualization.
>>>>> Not all AMD or Intel CPUs do.  See this random  web link for some more
>>>>> info on this subject:
>>>>>
>>>>> http://bobcares.com/index.php/blog/?p=121
>>>>>
>>>>> Bottom Line:  On the wrong CPU you can't use Xen at all to run
>>>>> Windows...
>>>>>
>>>>> Bill Bogstad
>>>>>
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
>>>> Discuss mailing list
>>>> Discuss-mNDKBlG2WHs at public.gmane.org
>>>> http://lists.blu.org/mailman/listinfo/discuss
>>>>
>>>>
>>>
>>>
>>
>> _______________________________________________
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>> Discuss-mNDKBlG2WHs at public.gmane.org
>> http://lists.blu.org/mailman/listinfo/discuss
>>
>>
>
>



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