Re: [ros-dev] Yet another VM

[Peter Dolding]

Alex Ionescu wrote:
>   Colin Finck wrote:
>    
> >   Thanks for the information.
> >
> >  This VM seems to be very good.
> >  I also did not test it, but looked at the screenshots: VirtualBox supports
> >  multiple snapshots and the closed-source version, which is also available at
> >  no price for personal use, also supports USB devices. You can connect to
> >  virtual machines over RDP and the virtual USB ports will also be available
> >  through RDP.
> >  The closed-source version also has some unique features like mounting iSCSI
> >  targets as virtual disks. AFAIK no other Workstation virtualization product
> >  supports this at the moment.
> >
> >  In my opinion, we should support VirtualBox as a new testing platform for
> >  ReactOS, since it contains more features than QEMU and is open-source unlike
> >  VMware.
> >  It would also be easier to use for new users, who did not run a PC emulator
> >  before.
> >
> >  Regards,
> >
> >  Colin
> >       
>  It's funny how you're all going on about how good it is without even
>  having tested it.
>
>  QEmu supports multiple snapshots as well, as it does USB, and it's fully
>  open source. QEmu supports named pipes, mounting raw hard drives and any
>  other disk that Windows can see, audio, networking etc. So I don't think
>  it contains anywhere near as many features as QEMU, especially since
>  most of the advanced ones you mentionned are *not* Open Source.
>
>  I'm also quite curious on how they were able to take QEMU (a GPL
>  product) and add USB support under closed source (which QEMU already has
>  as GPL). Sounds like a bunch of hacks to me
>     
VirtualBox has two forms.  Open Source and Closed.  Open Source is GPL 
but you don't get binarys yet.

Qemu developer worked for a VM company guess what one.  Qemu Accelerator 
Module is part by them.  Developer want to take the emulator a different 
way.  Support more processors and so on and Qemu was born.  So this is 
the reason Qemu code gets to live in there.  Same developer and a very 
kinda closed source company.

But VirtualBox's Accelerator module is more advanced.  It can use the 
hardware virtualisation as required.  As well as allowing itself to be 
run inside its self while exploiting hardware.

USB support is different from QEMU's.   The Qemu usb area could be used 
to replace it.

Virtualbox also has open sourced almost all of its drivers if not all 
for its host OS's.

One of the handy ones is the way its window is constructed.    I don't 
mean to be mean.  Virtualbox is simple to use than Qemu in a lots of 
ways due to minor interface options..

Edge of window interface on qemu would help new users with it a lot.

Its better at somethings.  At a min take the VirtualBox's Accelerator 
module and put it in qemu.  This is perfectly permit able under there 
license and patent arrangements.

So yes its different. It has some good.  And some bad due to what parts 
have not been opened.

So the Qemu Accelerator Module could come open source as well.   Making 
Qemu full opensource.   So this is not a bad thing.  Bekind while 
developers dig over the code.

Peter Dolding

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