Comment 9 for bug 1727842

I did another test: I mounted my home partition which I normally use only on my primary Ubuntu installation (the one affected by the bug, see comment #8) on my secondary installation (the one _not_ affected by the bug).

The result was interesting: The bug did not appear when booting this secondary installation with my "primary" home partition mounted as /home. The volume keys and other hotkeys still worked as exspected.

So this seemes to narrow down the problem cause a bit. Apparently, the bug has nothing to do with anything contained in the /home-directory. And, like described in #8, it seems to have nothing to do with certain packages installed, because I couldn't reproduce the bug by installing the same package selection on both systems.

So the cause of the bug seems to be "something system-wide" - like a different configuration option somewhere where I have no idea what had introduced it. I tried to spot some configuration differences by comparing /etc directories of both installations via diff - but none of the few differences seemes to be related to the problem.