Justin Brown <justin.brown@...> writes:
>
> Hello,
>
> I've been experiencing trouble with Gnome Shell on just one of my
> Haswell-based systems since this past summer, and I'm trying to
> resolve it. ... ...
This is a long shot, but you wouldn't happen to be on a thinkpad with a
broken touchpoint, would you?
I had your exact same problem: from time to time (but most frequently when
first starting gnome-shell or when waking up from sleep), GNOME shell's
window management would just freeze up. When this happened for me,
gnome-shell would write the following to stderr:
pushModal invocation of begin_modal failed
One difference: switching to a different tty did not work for me, and
running 'gnome-shell --replace' also did not seem to work. Sometimes running
'killall gnome-shell; sleep 1; gnome-shell --replace' did work.
I also had an unrelated problem that started before I switched to
GNOME-shell: My trackpoint's middle mouse button is completely broken. It
constantly spams middle mouse clicks, several dozens of them per second!
This is fine when I don't have anything in my clipboard, but even moving my
mouse over the input terminal would constantly paste whatever I had copied
into the terminal as a command, which was infuriating.
Before I switched to GNOME-shell last week, I would have this in my .xinitrc
as a workaround:
xinput set-button-map "TPPS/2 IBM TrackPoint" 1 0 3 4 5
When I switched to GNOME shell, I would configure it to run the above as a
startup command. However, I figured out that sometimes the above command
disables the middle mouse button while it was already pressed down, so the
shell wouldn't receive a mouseup event.
That's what caused my GNOME shell problems.
Putting this in /etc/X11/xorg.conf.d/99-disabletrackpoint.conf made my
problem go away by disabling the trackpoint middle mouse button before gdm
or gnome-shell could get confused:
Section "InputClass"
Identifier "Disable my middle trackpad button... So sad"
MatchProduct "TPPS/2 IBM TrackPoint"
Option "ButtonMapping" "1 0 3 4 5"
EndSection
Hope that helps,
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