Richard Morton wrote:
On 2 April 2011 16:46, Yan Seiner <[email protected]> wrote:
Richard Morton wrote:
ok, thanks for that. the issue, with using a single dual head display
rather than using multi-seat is that power management will turn on
both screens if one screen is in use. I would rather have only the
screens being used being switched on via powermanagement.
AFAIK there's no way to turn each screen on independently. I have three
heads; one running myth on a separate card and two running Xephyr on top of
a singe X session. I had to disable power management on all of them to make
it work.
oh! so if you wiggle one of the mice all three screens turn on?
I think so.... Xephyr doesn't do DPMS so it would have to be on the
underlying screen. In that case you wiggle an input device and all
screens turn on.
So, I guess I go back to asking how I setup multi-seat.. I have played
with it all day, looking at using kdm and multi-seat display manager
(mdm, it doesnt mention anything after ubuntu 8.04) and I cant get
either to work with 10.10 on my laptop (although I would of course be
looking to implement on 10.04LTS on the server.
mdm is a few scripts that do some fancy stuff to find the root window and to
hook the right input devices to the right screen. They don't work with the
proprietary nvidia drivers.
oh
I hacked mdm to work with nvidia; there's a
page in their wiki on that.
phew! you got me worried there; even so, this is quite a pa-larva
isnt it? I know multi-seat is still a little niche but I thought it
would be used quite a lot in education and training environments so I
thought there would be something out there... on some niche distro,
but I cant find anything! ;-)
It's disappointing, no? It makes sense for me; my server has to be on
24/7 so I hang myth off of it as well and get a "free ride" as far as
power and hardware goes. The two workstations are gravy at that point.
I've even though about getting one of those mobos with 5 PICe-16 slots
and stuffing it full of video cards. Our usage is so low that a single
computer should be able to handle all 6 heads.
I don't know that much about X innards; I think there are some
underlying architecture issues that prevent independent heads on a
single card. A binary blob driver that's not fully compliant with the
latest X stuff is probably a big part of it.
Single remote for both screens? Or single remote for each screen?
sorry, yeah I should have been more clear; a single remote (a ps3 bd
remote) for each viewing location; and control it all through it;
volume, watching, music, pictures, etc. all through myth, controlling
video and if the system is left on the menu screen for a couple of
minutes the screen goes into standby / power management on that screen
only. the other screens that are in use would stay on!
If it's a uinput device you will have problems with that. You can map
the uinput devices to Xephyr or X but AFAICT bluetooth devices cannot be
mapped to a single X session.
--
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writing Latin. And you complain that your neighbor is Mexican?
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