Essentially, the problem is that during login the screen resolution is
resized but the screen isn't cleared; gnome-settings-daemon (or
*possibly the GPU) just fills the undefined space with snippets from the
framebuffer.
We could just insert a blank before beginning the login, and then
unblank after, however this would cause an undesirable flicker for
normal cases, where the screen resolution does not need to be changed.
Perhaps a better approach would be to alter gnome-settings-daemon such
that when it does a mode change during login, to either blank or scale
the existing framebuffer, rather than the ugly tiling.
** Also affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-control-center (Ubuntu)
Status: New => Triaged
** Changed in: gnome-control-center (Ubuntu)
Importance: Undecided => High
** Also affects: ayatana-design
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/850885
Title:
(oneiric) greeter screen displayed incorrectly with external monitor
during login
Status in Ayatana Design:
New
Status in Unity Greeter:
New
Status in “gnome-control-center” package in Ubuntu:
Triaged
Bug description:
I am running up to date (as of 15 Sept) Oneirc beta on a laptop with
an external monitor. When booting with the monitor plugged in, I see
the following:
- what appears to be the default greeter/sign in screen displayed correctly
for a second or two
- a white flash
- that same sign in screen re-displayed but this time it is only in the top
2/3 of the laptop screen, with the bottom third of that screen blank.
It functions (i.e., I can log in), but looks shoddy.
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