screen flickers after switching back from terminal to gdm

Caleb Marcus caleb.marcus at
Wed Nov 28 14:37:52 UTC 2007

On Nov 28, 2007 9:13 AM, Bram Kuijper <a.l.w.kuijper at> wrote:

> Hi all,
> If I want to fall back on a terminal, e.g. by pressing Ctrl+Alt+F1/2/3,
> it appears that I cannot go back to gdm/gnome on tty7. If I press
> Ctrl+Alt+F7 to go back to gnome, the display is grey and flickers.
> I then killed all gdm-related processes and restarted gnome by using
> either the commands gdm or startx. In both cases, no luck: still, my
> screen flickers and only shows grey.
> However, I only have the problem of a flickering display after going
> back from another tty to tty7 or when I restart gdm. I don't have the
> problem of the flickering display when the computer is starting up and
> boots gdm for the first time.
> Does anybody have any pointers to information on flickering displays in
> cases like this?
> thanks a lot for any information,
> Bram
> PS: my xorg error log is in pastebin:
> PS2: my graphical card is a Intel 82Q963/Q965 Integrated Graphics
> Controller. The graphics driver I use is the i810 driver.

What if you do < sudo /etc/init.d/gdm restart >?
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