If, with a projector still plugged-in, the computer is suspended, XFCE crashes on wake-up if the projector is not plugged-in on wakeup. 1) Have a projector plugged-in and enabled. 2) Suspend the notebook 3) Unplug the projector 4) Wake the notebook up... crash. This only seems to depend on whether a projector (possibly same as another screen) is plugged in or not (I mean, not the type of projector). If I switch projector (other brand/model), wake-up is fine.
I have also been experiencing similar issues with Xfce 4.10 under Ubuntu 12.04 64-bit. This bug should probably be filed under the Xfce4‑settings component, though.
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