Also here. I have seen it without an LibreOffice apps open, however the last time it happened, I was editing in LibreOffice Impress. Closing LibreOffice Impress resolved the problem in this case.
Previously, I had tried "> unity --replace" but when Unity re-appeared, it didn't auto-hide. That time I logged out and back in again..
I have unity 3.8.16, kernel 2.6.38-10-generic, AMD x86_64 an ATI graphics card (but not using the fglrx driver) ..
Also here. I have seen it without an LibreOffice apps open, however the last time it happened, I was editing in LibreOffice Impress. Closing LibreOffice Impress resolved the problem in this case.
Previously, I had tried "> unity --replace" but when Unity re-appeared, it didn't auto-hide. That time I logged out and back in again..
I have unity 3.8.16, kernel 2.6.38-10-generic, AMD x86_64 an ATI graphics card (but not using the fglrx driver) ..