I was sable to reproduce the problem on my intel system: core i3 + GMA
HD GPU + VGA cable.
Something notable is this:
- The bug can be reproduced when Unity starts without multi-monitor support.
Then you plug in an external monitor and configure the system for a
multi-monitor configuration.
- If Unity starts with multi-monitor config already enable, then the problem
cannot be reproduce. The system works fine in multi-monitor configuration.
I have tested the system in several configurations and multi-monitor was
working fine. It is only the case mentioned above that causes problem.
I have briefly tested my desktop system (ATI GPU + open source driver) but
couldn't reproduce the problem. So there maybe something specific to intel here.
There is a fix for the the original problem mentioned in this bug.
** Changed in: unity
Status: Triaged => Confirmed
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https://bugs.launchpad.net/bugs/810971
Title:
External monitor causes screen corruption
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