[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] reports of xend not starting
Thu, 04 Mar 2010 12:03:17 -0700, Jim Fehlig wrote: >Hi Kan, > >I've received several reports of xend not starting with the following >traceback > >[2010-03-04 13:24:10 9096] ERROR (SrvDaemon:349) Exception starting xend ( >'044dde78-2896-cb88-2ada-3c03a73c35c1') >Traceback (most recent call last): > File "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvDaemon.py", >line 341, in run > servers = SrvServer.create() > File "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvServer.py", >line 261, in create > root.putChild('xend', SrvRoot()) > File "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvRoot.py", >line 40, in __init__ > self.get(name) > File "/usr/lib64/python2.6/site-packages/xen/web/SrvDir.py", line 84, in >get > val = val.getobj() > File "/usr/lib64/python2.6/site-packages/xen/web/SrvDir.py", line 52, in >getobj > self.obj = klassobj() > File "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvNode.py", >line 30, in __init__ > self.xn = XendNode.instance() > File "/usr/lib64/python2.6/site-packages/xen/xend/XendNode.py", line 1187 >, in instance > inst = XendNode() > File "/usr/lib64/python2.6/site-packages/xen/xend/XendNode.py", line 161, > in __init__ > self._init_PSCSIs() > File "/usr/lib64/python2.6/site-packages/xen/xend/XendNode.py", line 339, > in _init_PSCSIs > saved_HBA_uuid = saved_pscsis[pscsi_uuid].get('HBA', None) >KeyError: '044dde78-2896-cb88-2ada-3c03a73c35c1' > > >All reported cases involve fresh installs of dom0, so >/var/lib/xend/state/ is empty. I wasn't able to reproduce the issue >myself but a reporter was kind enough to try a debug patch. I found that >vscsi_util.get_all_scsi_devices() returns several records containing >same scsi_id. With /var/lib/xend/state/pscsi.xml non-existent and >identical scsi_id, we access an element of saved_pscsis that does not >exist. In fact, the list is empty. > >The attached patch catches the exception and allows xend to start but >I'm not sure if this breaks other parts of the code. It looks safe to >me but would like your review. > Hi Jim, Thanks for your report and patch. Are your SCSI devices multi-path configuration? If so, the configuration isn't supported by pvSCSI of XenAPI yet. I added a small fix to your patch. Could you send your Signed-off-by line? Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx> Best regards, Kan Attachment:
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