On exhaustif, field comp-long is defined as follow : 
 

<cms:metadata name="comp-long" type="long">
<cms:label>Long</cms:label>
<cms:description>Long</cms:description>
<disable-conditions>
<condition id="comp-owns/double" operator="eq">10</condition>
</disable-conditions>
</cms:metadata>

I work with 2 exhaustifs : 

• exh1 for which double field is set to 10
• exh2 

I edit exh2, and I add a comp-owns, by clicking on the glass : 

In this case, comp-long is not disabled whereas it should be. 

Note : If I add a comp-owns by choosing an exhaustif directly in the list, there is no problem.