What's the version of ubiquity on the ISO you are using? There was a regression with ubiquity 2.4.7 (that was fixed in 2.4.8) that can cause some behaviors like this.
What's the version of ubiquity on the ISO you are using? There was a regression with ubiquity 2.4.7 (that was fixed in 2.4.8) that can cause some behaviors like this.