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xen-bugs
[Xen-bugs] [Bug 1247] Cascade failure when creating multiple domU's requ
http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1247
------- Comment #1 from jeff@xxxxxxxxxxxxxxx 2008-05-08 14:02 -------
(In reply to comment #0)
> For the last 10 days or so, I have been having problems where I get the
> dreaded:
>
> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.
>
> and once that happens, I must reboot the machine before I can start a domU
> again.
I'm not intimately familiar with the other bugs currently filed for the
'hotplug scripts not working' issue, so please excuse me if this doesn't apply
or you already know of it - but in my experience, when I get that problem
trying to 'xm create', it means that my udev daemon (on dom0) has gone AWOL.
Simply doing an '/etc/init.d/udev start' to bring udev back up always seems to
fix the problem for me.
I suspect the same thing afflicts you given your mention of rebooting fixing
the problem. While this is obviously not a great state of affairs, running the
udev init script to restart udev is clearly a better solution than a physical
restart.
I have not noticed any issues with currently-running domUs when this issue
comes up, FWIW: they don't hiccup or have any other problems. The problem seems
isolated to the creation of new domU processes only.
Hope this helps somewhat...
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