[Fwd: Re: [XenPPC] can't start xend - anyone similar problems or a hint for me ?]

[Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>]

re-submit to xen-devel

Hollis Blanchard wrote:

> On Thu, 2007-05-03 at 16:47 +0200, Christian Ehrhardt wrote:
>   
>> Hi,
>> I can't start xend anymore and wanted to ask if anyone had similar 
>> problems in the past.
>> Also every suggestion to solve that issue is very welcome - actually I 
>> hope someone has a hint for me ;-)
>>
>> It used to work before with some older source tree for xen & linux. I 
>> tested my old xen/dom0 image that used to work together with the new 
>> tools but that throws the same errors (I need to go to the new version 
>> anyway so stepping back would be only a bug trackiong option anyway).
>> I already moved to the current head of xen-unstable.hg and 
>> linux-ppc-2,6.hg and recompiled everything.
>> I used to build/boot debug images but the error occurs also with non 
>> debug images.
>>
>> Here I post the information what I got out of my logs on my system so 
>> far. Important facts are:
>> - exception "metrics" ???
>> - there is some phyton/xen rocess listening on port 8002
>>
>> xend.log:
>> INFO (SrvDaemon:331) Xend Daemon started
>> INFO (SrvDaemon:335) Xend changeset: Wed May 02 14:41:51 2007 +0100 
>> 14995:f3cf882c9578.
>> INFO (SrvDaemon:342) Xend version: Unknown.
>> WARNING (XendNode:147) Error recreating network 
>> af23a262-339d-9043-66f3-56ae2d6d894a
>> ERROR (SrvDaemon:353) Exception starting xend ('metrics')
>> Traceback (most recent call last):
>>    4430   File "//usr/lib/python/xen/xend/server/SrvDaemon.py", line 
>> 345, in run
>>    4431     servers = SrvServer.create()
>>    4432   File "//usr/lib/python/xen/xend/server/SrvServer.py", line 
>> 254, in create
>>    4433     root.putChild('xend', SrvRoot())
>>    4434   File "//usr/lib/python/xen/xend/server/SrvRoot.py", line 40, 
>> in __init__
>>    4435     self.get(name)
>>    4436   File "//usr/lib/python/xen/web/SrvDir.py", line 82, in get
>>    4437     val = val.getobj()
>>    4438   File "//usr/lib/python/xen/web/SrvDir.py", line 52, in getobj
>>    4439     self.obj = klassobj()
>>    4440   File "//usr/lib/python/xen/xend/server/SrvNode.py", line 30, 
>> in __init__
>>    4441     self.xn = XendNode.instance()
>>    4442   File "//usr/lib/python/xen/xend/XendNode.py", line 658, in 
>> instance
>>    4443     inst = XendNode()
>>    4444   File "//usr/lib/python/xen/xend/XendNode.py", line 168, in 
>> __init__
>>    4445     XendPIF.recreate(pif, pif_uuid)
>>    4446   File "//usr/lib/python/xen/xend/XendPIF.py", line 197, in recreate
>>    4447     metrics_uuid = record['metrics']
>>    4448 KeyError: 'metrics'
>>     
>
> This looks like a problem in generic code, and there has been some churn
> in XenPIF.py recently, so please report this to xen-devel.
>   
FYI: a quick dirty workaround was to comment out a complete section.
This avoided that issue but I think it can't be the final solution
current workaround:
diff -r bb9ed6b69f8c tools/python/xen/xend/XendNode.py

--- a/tools/python/xen/xend/XendNode.py Thu May 03 07:42:35 2007 -0400
+++ b/tools/python/xen/xend/XendNode.py Thu May 03 07:00:07 2007 -0400
@@ -161,13 +161,13 @@ class XendNode:
-        saved_pifs = self.state_store.load_state('pif')
-        if saved_pifs:
-            for pif_uuid, pif in saved_pifs.items():
-                try:
-                    XendPIF.recreate(pif, pif_uuid)
-                except CreateUnspecifiedAttributeError:
-                    log.warn("Error recreating PIF %s", pif_uuid)
+#        saved_pifs = self.state_store.load_state('pif')
+#        if saved_pifs:
+#            for pif_uuid, pif in saved_pifs.items():
+#                try:
+#                    XendPIF.recreate(pif, pif_uuid)
+#                except CreateUnspecifiedAttributeError:
+#                    log.warn("Error recreating PIF %s", pif_uuid)



-- 

Grüsse / regards, 
Christian Ehrhardt

IBM Linux Technology Center, Open Virtualization
+49 7031/16-3385
Ehrhardt@linux.vmnet.ibm.com
Ehrhardt@de.ibm.com

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