Re: [EXT] Re: [qubes-users] qubes-os // stand-alone reactos fails

[unman]

On Mon, Dec 21, 2020 at 12:36:05AM +0100, Ulrich Windl wrote:
> On 12/15/20 5:40 PM, ser...@da.matta.nom.br wrote:
> > Thank you Unman. I do not use React-OS anymore. It worked fine on Qubes
> > 3. But I really think it was a bad decision to support only xvda. It is
> > not only Android, React-os, Chrome-Os and others. It is about Qubes
> > users.?? I will keep using Qubes-OS 4 even with his limitations, but I
> > hope Qubes-os chooses to be?? easier to his users, in the future.
> 
> Some stupid question: Isn't it the kernel that boots in the VM that assigns
> the name? If so, it's not Xen that assigns the name...
> 

Not a stupid question - Xen instruments the block device type, and the
kernel names accordingly.
In these cases, the kernel will not name the default block devices as
/dev/sdX, but the installer will only work if such a disk is present.
One might ask why the installers are so restrictive.

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Re: [EXT] Re: [qubes-users] qubes-os // stand-alone reactos fails

[Ulrich Windl]

On 12/15/20 5:40 PM, ser...@da.matta.nom.br wrote:
Thank you Unman. I do not use React-OS anymore. It worked fine on Qubes 
3. But I really think it was a bad decision to support only xvda. It is 
not only Android, React-os, Chrome-Os and others. It is about Qubes 
users.  I will keep using Qubes-OS 4 even with his limitations, but I 
hope Qubes-os chooses to be  easier to his users, in the future.


Some stupid question: Isn't it the kernel that boots in the VM that 
assigns the name? If so, it's not Xen that assigns the name...




Em terça-feira, 15 de dezembro de 2020 às 00:21:31 UTC-3, unman escreveu:

On Mon, Dec 14, 2020 at 01:05:59PM -0800, ser...@da.matta.nom.br wrote:
 > Dear Unman,
 > Please, why Qubes chooses to use /dev/xvda differently then the
other
 > softwares are expecting?
 > Since there is already a patch, it should be permanent to
minimize problems.
 > Thank you
 > Em domingo, 13 de dezembro de 2020 ??s 21:54:58 UTC-3, unman
escreveu:
 >
 > > On Sun, Dec 13, 2020 at 03:07:06PM -0800, ludwig...@gmail.com
wrote:
 > > > Hi I am trying to install reactos 0.4.13 as stand alone with
16G system
 > > and
 > > > 16g private.
 > > > I know, way too much.
 > > > Reactos fails with blue screen and red print: "Setup could
not find a
 > > > harddisk"
 > > > Enter = Reboot computer.
 > > >
 > > > So why there is no harddisk in the vm?
 > > > Is there an editor to configure more options to the vm? So I
would like
 > > > to see if the devices are there.
 > > >
 > > > BTW: If someone could contribute a reactos template with common
 > > > tools like peazip and sumatrapdf it would be nice for all to
play with
 > > some
 > > > old windows stuff.
 > > >
 > > > Regards
 > > >
 > > > Ludwig
 > > >
 > >
 > > This has come up a number of times on the list, both for
ReactOS and
 > > Android installs.
 > > The issue is that ReactOS *has* to see a disk at /dev/sda or
/dev/hda,
 > > whereas Qubes presents disks at /dev/xvda etc.
 > > Take a look at
https://github.com/unman/notes/blob/master/disks_in_Qubes

 > > If you look at https://github.com/unman/change_disk
 you'll see a
 > > possible solution: how to use those files is explained at
 > > https://github.com/unman/notes/blob/master/InstallingAndroid.md

 > >
 > > Basically, you redefine the disks so that they are presented as
disks
 > > that ReactOS will accept. Then you can just install to /dev/sda
 > >
 > > If you need help, just ask.
 > >
 >

Qubes is based on Xen, and Xen decided many moons ago to using xvdX for
block devices, instead of sdX. You might ask why ReactOS and Android
are
so hidebound in their expectations for block devices.
This is more of a hack than a patch, so I think it unlikely it will be
incorporated in to Qubes.

On the issue of a template, you can install reactos as a template HVM,
and spawn other qubes off it. I could point you to an example if that
would be helpful.

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