Hi,
On Wed, 12 Aug 2009, Peter Stein wrote:
> Sometimes those machines are just mysterious. Well, LDM_DIRECTX really
> reduces ssh's CPU usage to zero. But still Maple was unusable.
Right. Do you think it's just xorg holding things back at this point? Is
the network traffic very substantial?
> I checked the gnome display settings and found a second display that was
> activated with 640x480 that was right in the "real display". How come?
No idea. It sounds like it _might_ be a bug. How many video cards are in
the terminal? There isn't a second on-board one by any chance is there?
> If xrandr is not disabled ldm comes up with 640x480.
That sounds like a possible bug too.
> I deactivated the second display manually in display settings and CPU
> usage of xorg was reduced massively. Now Maple is at least usable,
> still lagging a bit, but much better. How can I disable the second
> display for all users or better get rid of it? Does xrandr work for
> you with the correct screen resolution?
These sounds like bugs in LTSP's X configuration to me. This is free
software, bugs can be fixed. Could you spend a few minutes and report them
here:
https://bugs.launchpad.net/ubuntu/+source/ltsp
Gavin
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