[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] reports of xend not starting
Masaki Kanno wrote: > 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? > Yes, it appears all of the reports have multipath configured. > 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? > Ok, thanks for the review and changes. Cheers, Jim Signed-off-by: Jim Fehlig<jfehlig@xxxxxxxxxx> > Signed-off-by: Masaki Kanno <kanno.masaki@xxxxxxxxxxxxxx> > > Best regards, > Kan > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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