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My yakkety installation is now for some reason in shape that lightdm
only starts with a black screen, although mouse cursor is shown and
movable and "wifi networks available" popup is shown at the top right
corner.
After some while this disappears and the system goes to some sort of tty
switching loop where sometimes text cursor is shown and sometimes just
blank screen. If I want to recover text console control of machine I
need to quickly after booting switch to tty1 and stop lightdm.
This started happening last week after some upgrades and a reboot.
I've tried reinstalling and everything I can think of, but I can't fix
it. Meanwhile using sddm I can't log in to Unity 7 or 8, and gdm doesn't
start at all. So I'm using sddm + Plasma now but would like to be also
be able to run Unity 7 and Unity 8.
I couldn't also use ubuntu-bug since I can't use the browser interface
from command line (otherwise it works fine until that point) and it
segfaults under Plasma environment while collecting information.
** Affects: gtk+3.0 (Ubuntu)
Importance: Undecided
Status: New
** Affects: lightdm (Ubuntu)
Importance: Undecided
Status: Incomplete
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Black screen, cursor shown, wifi connection popup shown
https://bugs.launchpad.net/bugs/1627502
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Bugs, which is subscribed to gtk+3.0 in Ubuntu.
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