Re: OpenBSD as Xen domU

> ropers P=P0P?P8Q
P0:
>> You can use Christoph Egger's OpenBSD/Xen port. No need to go
>> HVM-only. Unfortunately, my own website is down right now and I
>> haven't gotten around to fixing that, but the Wayback Machine has the
>> relevant page:
>> http://web.archive.org/web/20070403174105/http://ropersonline.com/openbsd/xen/ 
>>
>>
>> Also, search the misc archives. This question crops up fairly
>> regularly. and each time most people don't seem to know of Christoph
>> Egger's port (and each time I then try to tell people about it again
>> -- if I catch the message, but I don't always do and sometimes things
>> fall through the cracks here).
>>
>> Thanks and regards,
>> --ropers
>>
>> On 07/02/2008, John Jackson <openbsd@...> wrote:
>>  
>>> OpenBSD as DomU works using hardware virtualization for me.  There's
>>> the occasional lockup that I haven't looked into too much.  You can
>>> launch vncviewer to get a console.  My working config is at the bottom.
>>>
>>> John
>>>
>>> On Wed, Feb 06, 2008 at 11:55:05PM +0100, Julien Cabillot wrote:
>>>    
>>>> It's work but I had really bad performances with the network
>>>> (timeout on
>>>> the interface re).
>>>> Dmesg: http://www.openbsd-france.org/ml/archives/msg02494.html
>>>>
>>>>      
>>> I found that setting the vif interface to 'model=ne2k_pci' helps with
>>> the timeouts.
>>>
>>>    
>>>> On jeu, 2008-02-07 at 00:29 +0200, NetOne - Doichin Dokov wrote:
>>>>      
>>>>> I'm looking to replace a Linux domU with a BSD one, preferably
>>>>> OpenBSD.
>>>>> Anyone any success running stable OpenBSD (FreeBSD would also
>>>>> suffice)
>>>>> as domU in a Xen system? If so, willing to share config / how-to /
>>>>> experience?
>>>>>
>>>>> Kind regards,
>>>>> Doichin
>>>>>        
>>> Here's a working Xen config:
>>> =================================================================
>>> import os, re
>>> arch = os.uname()[4]
>>> if re.search('64', arch):
>>>     arch_libdir = 'lib64'
>>> else:
>>>     arch_libdir = 'lib'
>>> kernel = "/usr/lib/xen/boot/hvmloader"
>>> builder='hvm'
>>> memory = 256
>>> name = "obsd"
>>> pae=0
>>> vif = [ 'type=ioemu, mac=00:16:3e:7d:be:ef, model=ne2k_pci' ]
>>> disk = [
>>> 'file:/disk/homer.disk,hda,w','file:/disk/obsd42_amd64.iso,ioemu:hdc:cdrom,r'
>>> ]
>>> device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
>>> boot='cd'
>>> sdl=0
>>> vnc=1
>>> vncviewer=0
>>> nographic=0
>>> stdvga=0
>>> serial='pty'
>>> ne2000=1
>>> audio=0
>>> localtime=1
>>> ================================================================
>>>    
> I'm trying to use Christopher's work, but I get the following errors
> when i try to make depend a xenU kernel:
>
> In file included from
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/machdep.c:129:
> /usr/src/openbsd-xen-sys.hg/dev/isa/isavar.h:138:33:
> machine/isa_machdep.h: No such file or directory
> In file included from /usr/src/openbsd-xen-sys.hg/arch/xen/i386/npx.c:66:
> /usr/src/openbsd-xen-sys.hg/dev/isa/isavar.h:138:33:
> machine/isa_machdep.h: No such file or directory
>
> It does complete, though. But when i try to make the kernel, I get
> *lots* of errors, starting with these:
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s: Assembler messages:
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:334: Error: suffix
> or operands invalid for `push'
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:335: Error: suffix
> or operands invalid for `popf'
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:472: Error:
> `(((1+2)* (1<<12)))(%esi,%ecx,4)' is not a valid 64 bit base/index
> expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:479: Error:
> `(%ebx)' is not a valid 64 bit base/index expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:485: Error:
> `(0x00000001|0x00000002)(%edx)' is not a valid 64 bit base/index
> expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:486: Error:
> `(%ebx)' is not a valid 64 bit base/index expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:491: Error:
> `(%ebx)' is not a valid 64 bit base/index expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:501: Error:
> `(%ebx)' is not a valid 64 bit base/index expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:506: Error:
> `(%ebx)' is not a valid 64 bit base/index expression
> /usr/src/openbsd-xen-sys.hg/arch/xen/i386/locore.s:515: Error: `(((0)*
> (1<<12))+832*4)(%esi)' is not a valid 64 bit base/index expression
> ....
> (and many more not in this file only, but also in vector.s, spl.s,
> mutex.S)
>
> Anyone any hints? Is it meant to be run on -current (I see the last
> changes in the hg are from 8 months ago, but...)? Or do I need to
> compile it under an i386 kernel (I'm currently trying with an amd64 one)?
> # uname -a
> OpenBSD border2.net1.cc 4.2 GENERIC.MP#1 amd64
>
> Any help MUCH appreciated!
>
> Kind regards,
> Doichin
>