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Re: [virt-tools-list] Provision through virt-manager not supported on para-virtualized Xen?



On 02/09/2012 04:18 AM, Cheer Xiao wrote:
> 2012/2/7 Cole Robinson <crobinso redhat com>:
>> On 02/06/2012 08:01 AM, Cheer Xiao wrote:
>>> 2012/2/6 Cheer Xiao <xiaqqaix gmail com>:
>>>> 2012/2/5 Cheer Xiao <xiaqqaix gmail com>:
>>>>> 2012/2/4 Cole Robinson <crobinso redhat com>:
>>>>>> ... [snip] ...
>>>>>> Okay, none of that indicates why it isn't working. I can't reproduce using
>>>>>> your capabilities output and virt-manager 0.9.0 either (though I hacked it in
>>>>>> so I could have missed a detail).
>>>>>>
>>>>>> Can you try with current upstream?
>>>>>>
>>>>>> git clone git://git.fedorahosted.org/virt-manager.git
>>>>>> git clone git://git.fedorahosted.org/python-virtinst.git
>>>>>> cd python-virtinst
>>>>>> python setup.py build
>>>>>> cd ../virt-manager
>>>>>> ./autogen.sh && ./configure && make -j4
>>>>>>
>>>>>> # Then after you can launch virt-manager with
>>>>>> PYTHONPATH=../python-virtinst python src/virt-manager.py --debug
>>>>>>
>>>>>> See if you can reproduce, and if so please provide debug output and we can go
>>>>>> from there.
>>>>>
>>>>> Thanks! I'll be testing in a few days.
>>>>
>>>> The problem is still present, and I have collected the debug output. FYII,
>>>>
>>>
>>> Sorry, wrong log. This is the correct version:
>>>
>>> xiaq vblackie ~/S/python-virtinst> virt-manager --debug
>>>
>>> ** WARNING **: Trying to register gtype 'GMountMountFlags' as enum
>>> when in fact it is of type 'GFlags'
>>>
>>> ** WARNING **: Trying to register gtype 'GDriveStartFlags' as enum
>>> when in fact it is of type 'GFlags'
>>>
>>> Gtk-WARNING **: Unable to locate theme engine in module_path: "pixmap",
>>> 2012-02-06 20:59:56,609 (cli:71): virt-manager startup
>>> 2012-02-06 20:59:56,618 (virt-manager:291): Launched as:
>>> /usr/local/share/virt-manager/virt-manager.py --debug
>>> 2012-02-06 20:59:56,620 (virt-manager:292): GTK version: (2, 24, 8)
>>> 2012-02-06 20:59:56,621 (virt-manager:293): virt-manager version: 0.9.1
>>> 2012-02-06 20:59:56,621 (virt-manager:294): virtManager import:
>>> <module 'virtManager' from
>>> '/usr/local/share/virt-manager/virtManager/__init__.py'>
>>> 2012-02-06 20:59:56,873 (cli:118): virtinst version: 0.600.1
>>> 2012-02-06 20:59:56,875 (cli:119): virtinst import: <module 'virtinst'
>>> from '/usr/local/lib/python2.7/dist-packages/virtinst/__init__.pyc'>
>>> /usr/local/share/virt-manager/virt-manager.py:305: DeprecationWarning:
>>> Importing dbus.glib to use the GLib main loop with dbus-python is
>>> deprecated.
>>> Instead, use this sequence:
>>>
>>> Â  Â  from dbus.mainloop.glib import DBusGMainLoop
>>>
>>> Â  Â  DBusGMainLoop(set_as_default=True)
>>>
>>> Â  import dbus.glib
>>> 2012-02-06 20:59:57,541 (engine:555): No inspection thread because
>>> libguestfs is too old, not available, or libvirt is not thread safe.
>>> 2012-02-06 20:59:57,552 (systray:138): Showing systray: False
>>> 2012-02-06 20:59:57,566 (engine:346): About to connect to uris
>>> ['xen+ssh://xiaq lux-002/']
>>> 2012-02-06 20:59:57,780 (manager:171): Showing manager
>>> 2012-02-06 20:59:57,946 (engine:471): window counter incremented to 1
>>> 2012-02-06 20:59:59,745 (connection:991): Scheduling background open
>>> thread for xen+ssh://xiaq lux-002/
>>> 2012-02-06 20:59:59,756 (connection:1177): Background 'open
>>> connection' thread is running
>>> xiaq lux-002's password:
>>> 2012-02-06 21:00:04,097 (connection:1227): Background open thread
>>> complete, scheduling notify
>>> 2012-02-06 21:00:04,102 (connection:1232): Notifying open result
>>> 2012-02-06 21:00:06,158 (connection:1239): xen+ssh://xiaq lux-002/ capabilities:
>>> <capabilities>
>>>
>>> Â  <host>
>>> Â  Â  <cpu>
>>> Â  Â  Â  <arch>i686</arch>
>>> Â  Â  Â  <features>
>>> Â  Â  Â  Â  <pae/>
>>> Â  Â  Â  </features>
>>> Â  Â  </cpu>
>>> Â  Â  <migration_features>
>>> Â  Â  Â  <live/>
>>> Â  Â  Â  <uri_transports>
>>> Â  Â  Â  Â  <uri_transport>xenmigr</uri_transport>
>>> Â  Â  Â  </uri_transports>
>>> Â  Â  </migration_features>
>>> Â  Â  <topology>
>>> Â  Â  Â  <cells num='1'>
>>> Â  Â  Â  Â  <cell id='0'>
>>> Â  Â  Â  Â  Â  <cpus num='4'>
>>> Â  Â  Â  Â  Â  Â  <cpu id='0'/>
>>> Â  Â  Â  Â  Â  Â  <cpu id='1'/>
>>> Â  Â  Â  Â  Â  Â  <cpu id='2'/>
>>> Â  Â  Â  Â  Â  Â  <cpu id='3'/>
>>> Â  Â  Â  Â  Â  </cpus>
>>> Â  Â  Â  Â  </cell>
>>> Â  Â  Â  </cells>
>>> Â  Â  </topology>
>>> Â  </host>
>>>
>>> Â  <guest>
>>> Â  Â  <os_type>xen</os_type>
>>> Â  Â  <arch name='i686'>
>>> Â  Â  Â  <wordsize>32</wordsize>
>>> Â  Â  Â  <emulator>/usr/lib/xen/bin/qemu-dm</emulator>
>>> Â  Â  Â  <machine>xenpv</machine>
>>> Â  Â  Â  <domain type='xen'>
>>> Â  Â  Â  </domain>
>>> Â  Â  </arch>
>>> Â  Â  <features>
>>> Â  Â  Â  <pae/>
>>> Â  Â  </features>
>>> Â  </guest>
>>>
>>> </capabilities>
>>>
>>> 2012-02-06 21:00:08,648 (connection:551): Connection doesn't seem to
>>> support interface APIs. Skipping all interface polling.
>>> 2012-02-06 21:00:15,772 (connection:607): Connection managed save support: False
>>> 2012-02-06 21:00:17,041 (halhelper:133): Unable to connect to HAL to
>>> list network devices: org.freedesktop.DBus.Error.ServiceUnknown: The
>>> name org.freedesktop.Hal was not provided by any .service files
>>> 2012-02-06 21:00:17,044 (connection:186): Libvirt version does not
>>> support physical interface listing
>>> 2012-02-06 21:00:17,047 (connection:229): Using libvirt API for
>>> mediadev enumeration
>>> 2012-02-06 21:00:24,328 (create:174): Showing new vm wizard
>>> start None None None
>>> after None None None
>>> 2012-02-06 21:00:24,439 (create:859): Guest type set to os_type=xen,
>>> arch=i686, dom_type=xen
>>> start xen xen None
>>> after xen xen None
>>> start xen xen i686
>>> after xen xen i686
>>> 2012-02-06 21:00:35,392 (engine:426): Tick is slow, not running at
>>> requested rate.
>>>
>>
>> Hmm, okay, can you try applying the attached debugging patch to virt-manager
>> and reproduce again?
> 
> Patched against HEAD and got this debug output (for completeness I
> also included the debug output after I hit the Cancel button of New VM
> Wizard and then Exit button of virt-manager):
> 

Great, thanks for the info. I see the problem now, my confusion was that I was
looking at the wrong error message in the code, and that there were some
defects in the UI that were not reporting the problems very well. I've pushed
some tweaks upstream so that we are reporting more info in this case, and
actually allow import installs here.

Xen PV doesn't work with CDROM or PXE installs, so those are rightly disabled.
Since you are connecting to a remote machine, URL installs only work if you
have a new enough libvirt which it doesn't look like you do. Import installs
would work in your case, but a logic error was causing virt-manager not to
allow it.

I've changed the error reporting here to show the disabled install options
even if we think none are available, since we set tooltips on the disabled
entries that can provide more info.

But end result is that your setup as is doesn't support creating new VMs:
either update the remote libvirt version to 0.9.4 or later to get remote URL
install support, or ssh to the remote machine and install a VM using
virt-manager/virt-install.

Thanks,
Cole


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