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Autor: Ralph Ronnquist
Data:  
Para: dng
Assunto: Re: [DNG] Which qemu version is shipped by default with devuan 3 ?
On Sat, Aug 12, 2023 at 06:42:54PM +0200, Mario Marietto wrote:
> Hello. I'm trying to boot and virtualize FreeBSD 13 for arm 32 bit on my
> ARM chromebook,where I have installed devuan 4. These are the parameters
> used :
>
> qemu-system-arm \
>     -enable-kvm -serial stdio \
>     -m 512 -M virt -cpu cortex-a15 \
>     -drive if=pflash,format=raw,unit=1,file=/usr/share/AAVMF/AAVMF32_VARS.fd \
>     -drive if=pflash,format=raw,unit=0,file=/usr/share/AAVMF/AAVMF32_CODE.fd \
>     -boot d \
>     -cdrom /mnt/fisso/OS/ISO/BSD/FreeBSD-13.2-RELEASE-arm-armv7-GENERICSD.img \
>     -drive file=/mnt/fisso/bhyve/img/FreeBSD/FreeBSD.img,id=virtio-blk,if=none \
>     -device virtio-blk,drive=virtio-blk \
>     -device virtio-net,netdev=net0,mac="52:54:00:12:34:55" \
>     -netdev type=user,id=net0 \
>     -device virtio-gpu-pci \
>     -device vmware-svga,id=video0,vgamem_mb=16


Right; I don't have too much experience with either of that cpu, that
machine, using UEFI on arm7 nor that FreeBSD image. But I jumped into
this and got it started with the following setup:
----------
UEFICODE=AAVMF32_CODE.fd
UEFIVARS=AAVMF32_VARS.fd
CD=FreeBSD-13.2-RELEASE-arm-armv7-GENERICSD.img
DISK=FreeBSD.img

qemu-system-arm \
-serial stdio \
-m 512 -M virt -cpu cortex-a15 \
-drive if=pflash,format=raw,unit=0,file=$UEFICODE \
-drive if=pflash,format=raw,unit=1,file=$UEFIVARS \
-cdrom $CD \
-drive file=$DISK,format=raw \
-device virtio-net,netdev=net0,mac="52:54:00:12:34:75" \
-netdev type=user,id=net0 \
-device virtio-gpu-pci \
-device vmware-svga,id=video0,vgamem_mb=16
----------

1) For some reason qemu objected to using the system UEFI emulation
files but was happy when I copied them (to `pwd`). I also reordered
the pflash parameters (for clarity).

2) My host is amd64 so arm emulation cannot use kvm.

3) Don't need "-boot" (or shouldn't use?) parameter with UEFI, but
drive order is important.

4) I added "format=raw" to the disk image since qemu warns about that.

5) I dropped the "virtio-blk" name and equipment are default in the
"virt" machine so you may leave out those.

Probably only 1 and 2 are important to make it work.

regards,

Ralph.

>
>
> but nope,it does not boot :
>
>
> [image: 2023-08-12_13-29.png]
> you know what's wrong ? thanks.
>
> On Fri, Aug 11, 2023 at 12:59 PM Ralph Ronnquist <rrq@???> wrote:
>
> > On Fri, Aug 11, 2023 at 11:50:24AM +0200, Mario Marietto via Dng wrote:
> > > Hello to everyone.
> > >
> > > I need to install a version of qemu less than 5.0 on my devuan for armhf
> > on
> > > my ARM Chromebook,because it is needed if I want that kvm works in
> > > combination with it,as stated here :
> > >
> > > >From
> > https://lists.gnu.org/archive/html/qemu-devel/2020-09/msg02074.html
> > >
> > > We deprecated the support for KVM on 32-bit Arm hosts in time
> > > for release 5.0, which means that our deprecation policy allows
> > > us to drop it in release 5.2. Remove the code.
> > >
> > >
> > > At the moment I'm using devuan 4 and I see that it has qemu 5.2 as
> > default
> > > and it's not good. So,I have two options :
> > >
> > > 1) to install devuan 3 on the sd card (if it is shipped with qemu less
> > than
> > > 5.0)
> > >
> > > 2) to use devuan 4 ; in this case,I need to recompile qemu less than 5.0
> > > from source code.
> > >
> > > Which option do you prefer ? thanks.
> >
> > Since beowulf's qemu is only version 3.1, I'd suggest that compiling
> > from source would be the better option if you're comfortable with
> > that. (see https://pkginfo.devuan.org/qemu-system-arm)
> >
> > Ralph.
> >
> > >
> > > --
> > > Mario.
> >
> > > _______________________________________________
> > > Dng mailing list
> > > Dng@???
> > > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
> >
> > _______________________________________________
> > Dng mailing list
> > Dng@???
> > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng
> >
>
>
> --
> Mario.