Re: bhyve graphics support

[James Lodge]

>Hello,

> > As far as I know UEFI supports ahci-* boot devices only. For the basic
> > UEFI support without GOP the AHCI devices needed to be mapped on slot 3
> > and 4. I don't know if that's still the case.
>
>   Depends on the o/s being booted - if it needs legacy interrupt
> support, the only available slots with routing set up are 3/4/5/6.
>
>   UEFI operates in polled-mode so it has no constraints on it's own.

Ah okay. That's good to know. At least for the Windows 2016 case.

> > I've got working VNC access to a FreeBSD 10.3 VM. My Windows 7 install
> > disc starts up, but the mouse is not working. Keystrokes through VNC
> > give "atkbd data buffer full" errors. I'll open a new thread for that
> > if I can't figure it out.
>
>   XHCI isn't in Windows7 so you can just remove that config line,
> pushing mouse input through the PS2 mouse.

That was a little bit strange, it seemed like the emulated ps/2 devices
just wouldn't work on a Win 7 VM. The "atkbd data buffer full" may be
an indication for not delivered interrupts or something like that.
After I've rebooted the host things suddenly started to work. Maybe
some kind of system inconsistency. It was some 11-CURRENT with about 4
weeks uptime.

It may be a good idea to add a note to the Windows installation guide
at https://people.freebsd.org/~grehan/bhyve_uefi/windows_install.txt
that Window 7 requieres AHCI disks with a blocksize if 512 bytes.
Otherwise the installation will fail with "Windows Setup could not
configure Windows on this computer?s hardware" and Windows Update will
bail out with error 0xc8000247.

Regards,
Yamagi


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Hi Peter,

I've been looking forward to this feature and having a graphical console in 
Windows for something, thank you for your effort. I'm currently using Bhyve on 
Freenas 9.10 ( FreeBSD 10.3). I've built from source in FreeBSD 11 r301289 and 
copied the Bhyve binary over. There were a few other hoops to jump through, but 
I can now launch Bhyve with the GOP UEFI binary.

If I  execute Bhyve without the fbuf device, Bhyve runs and Windows boots 
normally. If I include the fbuf,  Bhyve returns without error, but does not 
run. If I include the XHCI tablet backend, again Bhyve executes and Windows 
boots as normal.

Am I missing something that is required by fbuf outside of the Bhyve binary?

Regards
James Lodge


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Re: a bhyve and Windows Server 2012R2 story

[James Lodge]

I've booted my first Windows Server 2012R2 VM in bhyve. It took about

1 day's setup but I finally have it working. My notes below detail a
couple pitfalls and things which I did differently than described in
online references I used.

The further I progressed in this, the more I realized that the
directions I started from are based on directions from other places on
the net.
Started here: 
https://jameslodge.com/freebsd-bhyve-hypervisor-running-windows-server-2012-r2-standard/
Discovered this:
https://people.freebsd.org/~grehan/bhyve_uefi/windows_install.txt
And this: https://people.freebsd.org/~grehan/bhyve_uefi/windows_iso_repack.txt
Finally, saw this: https://wiki.freebsd.org/bhyve/Windows

Anyways, my machine is TRUEOS 11.0-CURRENTMAY2016
[root@true11] ~# uname -a
FreeBSD true11 11.0-CURRENTMAY2016 FreeBSD 11.0-CURRENTMAY2016 #19
5bab0d2(master): Fri May  6 17:56:25 UTC 2016
root@devastator:/usr/obj/usr/src/sys/GENERIC  amd64

CPU is AMD 6366 HE
Motherboard is SuperMicro H8DGU-F

In the guide, the p7zip-9.38.1_2 package is used. Here is the latest
version that I installed:

[root@true11] /mnt/vm0/ds0/iso# pkg info | grep 7z
p7zip-15.14File archiver with high compression ratio

Unfortunately, it seems this version of 7z was not able to extract the
UDF ISO correctly. Also, the version on this TrueOS11 machine required
a different syntax to specify the output folder, compared to the
syntax shown in the link above. Many error messages have been omitted,
but here is basically what happened:

[root@true11] /mnt/vm0/ds0/iso# //usr/local/bin/7z x
msdn/en_windows_server_2012_r2_with_update_x64_dvd_6052708.iso
-o{win2012iso}

ERROR: Data Error : support/logging/setupcletw.dll
ERROR: Data Error : support/logging/setupetw.dll
ERROR: Data Error : support/logging/setupugcetw.dll
ERROR: Data Error : support/logging/sysprepetw.dll
ERROR: Data Error : support/logging/windeployetw.dll
ERROR: Data Error : support/logging/winsetupetw.dll
ERROR: Data Error : support/samples/headlessunattend.xml

Sub items Errors: 2075

Archives with Errors: 1

Open Errors: 1

Sub items Errors: 2075


^ this is the output

For each of the files that "ERROR: Data Error" was shown, their z7
extracted contents were 0 bytes in size. Here is an example of the
last file's word count:

[root@true11] /mnt/vm0/ds0/iso# wc
win2012iso/support/samples/headlessunattend.xml
   0   0   0 win2012iso/support/samples/headlessunattend.xml

I decided to try extraction on Windows using graphical 7zip. The
version my computer had installed was 15.06. It worked. Here is the
word count for the same file, computed in Cygwin:

ejr@win7box1 ~
$ wc 
/cygdrive/c/Users/ejr/Downloads/Win2012R2/support/samples/headlessunattend.xml
 108  301 6475 
/cygdrive/c/Users/ejr/Downloads/Win2012R2/support/samples/headlessunattend.xml

I also added NetKVM drivers from this version virtio-win-0.1.102.iso,
not virtio-win-0.1.96.iso as was specified in the guide.

After editing the set files on my Windows machine according to the
guide, I transferred the files back to my TrueOS 11 machine using
smbclient. The mkisofs command to create the new ISO worked
flawlessly.

I decided to use the 2016 version of the UEFI loader:
https://people.freebsd.org/~grehan/bhyve_uefi/BHYVE_UEFI_20160526.fd

Here is the command I used to boot the VM:

bhyve \
-c 1 \
-s 0,hostbridge \
-s 3,ahci-hd,/dev/zvol/vm0/ds0/test/w2012R2-0/disk0 \
-s 4,ahci-cd,/mnt/vm0/ds0/iso/Win2012R2.iso \
-s 10,virtio-net,tap0 \
-s 31,lpc -l com1,/dev/nmdm0A \
-l bootrom,/mnt/vm0/ds0/test/w2012R2-0/BHYVE_UEFI_20160526.fd \
-m 2G -H \
-w w2012R2-0

My VM had a problem. It did boot and the SAC channels did start - but
somewhere after WIMApplyImage message was displayed in the SACSetupAct
- the VM would hang and top would show the bhyve process at 99% WCPU.
I destroyed the VM after it hanged like this for 1 hour. It took some
guessing, but eventually I recalled reading somewhere - possibly on a
KVM/QEMU/Xen wiki page - that IOMMU is needed for more than 1 core. I
suspected that this machine's IOMMU was disabled because I've set the
SuperMicro BIOS to Optimized Defaults a couple times before and
noticed that IOMMU would get turned off. I couldn't recall if I had
re-enabled it. Rather than reboot the machine and set IOMMU to
Enabled, I decided to re-launch the bhyve VM with only 1 core. This
way I was able to compete the installation. Later, enabling IOMMU and
relaunching the VM with 2 cores worked.

I had difficulty at first with the network configuration. TrueOS has
ipfw enabled and I suspect it was originally blocking my RDP traffic.
Also, I did not have any successful network connections before I set
and loaded what's described in 21.7.7 Persistent Configuration:
https://www.freebsd.org/doc/handbook/virtualization-host-bhyve.html

At first, I attempted to RDP to an IP I had assigned from the SAC
channel using the i <#>command. This never
worked and I am 

Re: does FreeBSD 10.3 bhyve support windows guests?

[James Lodge]

> On 28 Apr 2016, at 09:14, Yamagi Burmeister  wrote:
> 
> It was merged to 10.2-STABLE in r295124 and was releases as part of
> FreeBSD 10.3-RELEASE.
> 
> On Wed, 27 Apr 2016 09:33:40 -0400
> Aryeh Friedman  wrote:
> 
>> Or is this support only in -CURRENT?
>> 
>> -- 
>> Aryeh M. Friedman, Lead Developer, http://www.PetiteCloud.org
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> 
> 
> -- 
> Homepage:  www.yamagi.org
> XMPP:  yam...@yamagi.org
> GnuPG/GPG: 0xEFBCCBCB
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Not self promoting but I wrote this blog post that might help 

https://jameslodge.com/freebsd-bhyve-hypervisor-running-windows-server-2012-r2-standard/

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Re: Bhyve - EPT/Real Address Mode - Unrestricted Guest

[James Lodge]

>Hi James,

> Can someone please confirm that having EPT support in the CPU is not
> necessarily enough to run Bhyve. I have an Intel Xeon L5520 (Nehalem
> family) that supports EPT but when trying to run an VM, receive
  ...
> My understanding is that the L5520 does not have support for
> "Unrestricted Guest/Real Address Mode"  which was introduce with the
> release of the Westmere architecture.

>  Yes, that's correct.

> I assume its a non starter without the unrestricted guest feature.

 > Mostly. You'll only be able to run single vCPU FreeBSD guests since
>they boot directly into 64-bit mode: everything else (including multiple
>vCPU guests) requires either 16-bit support or 32-bit non-paged
>protected mode, both of which are only available on Intel with the
>'unrestricted guest' feature.

>later,

>Peter.


Hi Peter, 

Thank you for the clarification. It looks like I'll need to purchase a couple 
to Westmere X5650 CPU's that do have the 'unregistered guest' feature as I need 
to be able to running multi vcpu FreeBSD vms and Windows. 

Thank you again for your help. 

Regards
James Lodge
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Bhyve - EPT/Real Address Mode - Unrestricted Guest

[James Lodge]

Hello all,


Can someone please confirm that having EPT support in the CPU is not 
necessarily enough to run Bhyve. I have an Intel Xeon L5520 (Nehalem family) 
that supports EPT but when trying to run an VM, receive


Windows VM UEFI

2 vCPUs requested but only 1 available

ROM boot failed: unrestricted guest capability not available


Linux MV Grub

VM unrestricted guest capability required
Error in initializing VM

My understanding is that the L5520 does not have support for "Unrestricted 
Guest/Real Address Mode"  which was introduce with the release of the Westmere 
architecture.


I assume its a non starter without the unrestricted guest feature.


Running FreeBSD 11.0-CURRENT r294227


Regards

James
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Re: FreeBSD 11 - Bhyve - Spoof MAC address

[James Lodge]

>
>> On Jan 4, 2016, at 9:32 AM, James Lodge <ja...@lodge.me.uk> wrote:
>>
>> Hi All,
>>
>>
>> I'm just getting started with Bhyve. So far everything is working as 
>> expected. My original goal was to be running Ubuntu 12.04 i386 as I need it 
>> for a particular project. One issue I'm having is MAC address spoofing. I'm 
>> aware I can change the MAC address within Ubuntu but I'd like to configure 
>> the tap interface from the host which should be possible according to man 
>> pages.
>>
>>
>> Bhyve Man Page: https://www.freebsd.org/cgi/man.cgi?query=bhyve=8
>>
>>
>>
>> The issue I have is that by setting the below, the vm boots, I can console 
>> via null modem, but there is no eth0 interface, only the loopback. Removing 
>> the static MAC, reboot and everything is present and correct.
>>
>>
>> -s 2:0,virtio-net,tap0,mac=xx:xx:xx:xx:xx:xx
>
> It looks like you are setting the MAC correctly on your bhyve command line 
> and bhyve is running; so far so good. Is it possible that Ubuntu has a 
> different MAC saved for its idea of eth0 and is therefore not doing what you 
> expect? (Perhaps udev is renaming the device?)
>
> Can you run these two commands within the VM and post the output?
>   ip link show
>   lspci
>
>
> JN
>
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>
>That is the most likely scenario
>
>try 'ifconfig -a' and see if there is an eth1 with no configuration
>
>--
>Allan Jude
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Thanks Guys

Exactly that. By spoofing the MAC Ubuntu populated another interface 'eth1' 
hidden (surprisingly to myself) as it had no L3 config in 
/etc/network/interface and administratively down, only for eth0. Thanks also to 
pr1ntf in the Bhyve channel.

Regards
James   

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FreeBSD 11 - Bhyve - Spoof MAC address

[James Lodge]

Hi All,


I'm just getting started with Bhyve. So far everything is working as expected. 
My original goal was to be running Ubuntu 12.04 i386 as I need it for a 
particular project. One issue I'm having is MAC address spoofing. I'm aware I 
can change the MAC address within Ubuntu but I'd like to configure the tap 
interface from the host which should be possible according to man pages.


Bhyve Man Page: https://www.freebsd.org/cgi/man.cgi?query=bhyve=8



The issue I have is that by setting the below, the vm boots, I can console via 
null modem, but there is no eth0 interface, only the loopback. Removing the 
static MAC, reboot and everything is present and correct.


-s 2:0,virtio-net,tap0,mac=xx:xx:xx:xx:xx:xx


I've gone through dmesg in Ubuntu, but see nothing obvious.


Any guidance gratefully received.


Regards

James





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