[ipxe-devel] Problem with ipxe on Xen 4.4

Michael Brown mcb30 at ipxe.org
Tue Dec 26 12:47:14 UTC 2017

On 25/12/17 11:20, Eytan Heidingsfeld wrote:
> I retried with DEBUG=xenbus and saw that xenbus_probe_type failed for 
> the device: device/suspend/event-channel (I think because it doesn't 
> have a backend key - it is empty). As this device isn't critical for the 
> usage of netfront I just commented out the error in xenbus_probe_type 
> for one device and now it works fine.
> Is there any reason failing to probe the type of one device should fail 
> the whole probe of the xenbus?
> I can formalize a patch the prints a warning with DBG and allows it to 
> continue but I was wondering if there was any downside to that?

Does the attached (untested) patch fix the problem?  This patch skips 
probing any device type for which we don't have a driver anyway.


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