[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] bug: Cannot create vbd / cannot create vif
On Fri, Jun 09, 2006 at 11:06:12AM -0400, Eric Windisch wrote: > Last week, I mentioned an error to xen-users an error I was receiving, > relevant description provided below. I've seen several mailing list > posts describing a similar problem as far back as December, 2005. This > seems to be a problem plaguing all Xen 3 releases (to date). > > > >The error I receive is (approximately) '(vif) could not be > >connected'. If I comment the 'vif=' line in the domain's > >configuration, I then receive '(vbd) could not be connected'. Both > >messages were also followed by "Hotplug scripts not working." (I am > >using udev) > > Upon review, I'm pretty certain the problem is happening when a new > domain is created that is specifying a MAC address identical to that > assigned to an existing guest domain. When a new domain comes online > with the conflicting MAC address, Xen will rightfully refuse to create > the vif, and exits -- but it does NOT properly clean up. After that > point, Xen will refuse to create ANY new guest domains, even if > properly-configured. The only way I am aware of to then create a new > domain is to reboot the iron. I haven't yet found a workaround. > > Once the system has encountered this problem, I see several variables > within xenstore-ls associated with each of the domains which failed to > 'create'. I manually removed the associated variable trees with > xenstore-rm, but I still wasn't able to create a new domain, again with > the message "(vdb) could not be connected". Killing xenstored and > restarting xend did not help, nor did nuking xenstored's tdb file. Please use xen-bugtool to collect your system's logs, and submit those -- I'll take a look. Thanks, Ewan. _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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