Mac book Pro OSX Yosemite 10.10.1 with 2.8 GHz Intel Core i7 processor
Source footage includes a variation of codecs as follows: H.264 in a .mov container, 1920 x 1080 Apple Pro Res 422, Linear PCM
There are no error messages, the import into Premiere Pro 2014 begins normally but the "progress bar" never starts and then after about 10 seconds a blank white box appears followed by the pinwheel.
When the problem occurred I was trying to import a fcp7 project's xml file into Premiere Pro.
I emailed Adobe Support Tech the fcp7 xml file and it crashed his computer, however, I was able to successfully import one clip from fcp7 (an Apple ProRes 422, Linear PCM, duration 1 minute) from the fcp 7 project into Premiere Pro, but not the whole project or the bare essentials (the cut itself).
I am not running other software
Do you have any third-party effects or codecs installed? Not that I know of...
Tell us about your computer hardware. Be especially certain to tell us about third-party I/O hardware (e.g., AJA, Matrox, Blackmagic, MOTU). ??????