Re: [Xen-devel] VMX status report 11536:041be3f6b38e

[Roland Paterson-Jones <roland@xxxxxxxxxxxx>]

Yu, Ping Y wrote:

> 2).Create eight VMX domains simultaneously, usually, not all four VMX
> domains can start successfully. only part of them can start, but two or
> one will failed with the following messages " Error: Device 768 (vbd)
> could not be connected. Hotplug scripts not working." or "Error: Device
> 5632 (vbd) could not be connected. Hotplug scripts not working."or "
> Error: Device 0 (vif) could not be connected. Hotplug scripts not
> working.".  
>  
We have seen this caused by time-outs due to a very busy dom-0.

Try increasing the timeout in 
./tools/python/xen/xend/server/DevController.py, for example:
--- ./tools/python/xen/xend/server/DevController.py     2006-04-13 
19:48:39.000000000 +0200
+++ ../xen-3.0.2-2patched/tools/python/xen/xend/server/DevController.py 
2006-06-07 13:17:45.000000000 +0200
@@ -25,7 +25,7 @@
from xen.xend.xenstore.xstransact import xstransact, complete
from xen.xend.xenstore.xswatch import xswatch

-DEVICE_CREATE_TIMEOUT = 10
+DEVICE_CREATE_TIMEOUT = 3600
HOTPLUG_STATUS_NODE = "hotplug-status"
HOTPLUG_ERROR_NODE  = "hotplug-error"
HOTPLUG_STATUS_ERROR = "error"

Roland


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