Re: Re: Stub domains broken in 3.4.0-rc3?

[Keir Fraser <keir.fraser@eu.citrix.com>]

Realistically at this point you're looking at 3.4.1 imo. Since 3.4.0 is out
the door next week.

 -- Keir

On 09/05/2009 00:41, "Thiago Camargo Martins Cordeiro"
<thiagocmartinsc@gmail.com> wrote:

>> I would very much like to see stub domains working properly in time for the
>> 3.4.0 release!
> 
> +1
> 
> :-D
> 
> 2009/5/8 Keith Coleman <list.keith@scaltro.com>
>> On Fri, May 8, 2009 at 2:44 PM, Stefano Stabellini
>> <stefano.stabellini@eu.citrix.com> wrote:
>>> The problem seems to be the "phy" disk that does not work correctly, but
>>> I don't think it is caused by a bug in the new stubdomain config file
>>> generator.
>>> In fact I can reproduce the bug even using the old stubdom-dm script.
>>> 
>>> Keith Coleman wrote:
>>> 
>>>> 
>>>> My current config file is just a slightly modified version of the
>>>> xmexample.hvm. It works for regular HVM mode if I switch the
>>>> stubdom-dm for qemu-dm. I have fs-backend running in the background.
>>>> 
>>>> # cat stub1-clean
>>>> 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 = 512
>>>> name = "stub1"
>>>> vif = [ 'type=ioemu, bridge=eth0' ]
>>>> disk = [ 'phy:/dev/testvg/stub1,hda,w',
>>>>          'file:/root/isos/win2003entR2.iso,hdc:cdrom,r' ]
>>>> device_model = '/usr/' + arch_libdir + '/xen/bin/stubdom-dm'
>>>> #device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
>>>> boot="dca"
>>>> sdl=0
>>>> opengl=1
>>>> vnc=1
>>>> vnclisten="0.0.0.0"
>>>> vncpasswd=''
>>>> stdvga=0
>>>> serial='pty'
>>>> usb=1
>>>> usbdevice='tablet'
>>>> 
>>>> 
>>>> # cat /var/log/xen/qemu-dm-stub1.log
>>>> Error: Device 768 (vbd) could not be connected.
>>>> Device /dev/mapper/testvg-stub1 is mounted in a guest domain,
>>>> and so cannot be mounted now.
>>>> Using config file "/etc/xen/stubdoms/stub1-dm".
>>>> Using config file "/etc/xen/stubdoms/stub1-dm".
>>>> 
>>>> # cat /var/log/xen/qemu-dm-stub1-dm.log
>>>> domid: 71
>>>> Warning: vlan 0 is not connected to host network
>>>> Strip off blktap sub-type prefix to /root/isos/win2003entR2.iso (drv 'aio')
>>>> Watching /local/domain/0/device-model/71/logdirty/next-active
>>>> Watching /local/domain/0/device-model/71/command
>>>> char device redirected to /dev/pts/3
>>>> /root/xen-3.4-rc3/xen-unstable.hg/tools/ioemu-dir/hw/xen_blktap.c:628:
>>>> Init blktap pipes
>>>> xs_read(): vncpasswd get error.
>>>> /vm/e0dd1e52-a827-8c47-7e3d-cc26941e4419/vncpasswd.
>>>> medium change watch on `hdc' (index: 1): aio:/root/isos/win2003entR2.iso
>>>> 
>>>> 
>>>> 
>>>> -Keith
>>>> 
>>> 
>>> 
>>> 
>> 
>> I agree that this may have nothing to do with the new stubdom config
>> generator. I have not been able to use stub domains in any of the
>> 3.4.0-rc releases.
>> 
>> You are probably correct about an issue with the phy disk in stubdom.
>> Even on the stable code (3.3.1) certain types of block devices don't
>> seem to fully work in stub domains. DRBD is one such device.
>> 
>> I would very much like to see stub domains working properly in time
>> for the 3.4.0 release!
>> 
>> Keith
>> 
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> 
>