On 2012-11-28 16:49, Karl Behler sen. wrote:
So power cycling everything twice is a solution to the problem, but not
a very satisfying.
I guess this is all about timing when the SunRay and the screens are
powered up. Don't know about the precedence of the various settings.
What comes first: database, firmware, display interfaces ???
Seems like timing... In principle, when you power up the Sun Ray DTU,
it first boots the firmware with some HW-default resolution (320x200?
in my case). Not all modern monitors even agree to render that and
stay blank.
While in this mode, the Sun Ray enables its network (static or DHCP),
finds the servers and receives configurations - resolution among other
things (the one saved by utresadm for this token - the system default,
or the DTU IEEE.MAC id, or the user's token in particular). Then it
sets the monitor resolution, connects to a desktop with its canvas
size (if bigger than HW resolution, you might see X11 desktop panning
while you move the mouse to screen sides) and offers your login or
the ready session.
I think, if you manage to enforce some powerup delay (i.e. so that your
screens come up some 5-10 sec after the DTU), you might have the DTU
video card already issuing the needed resolution signal by the time
monitors "appear".
But, in short, I do have no idea why it sets up 1920x1080 in particular.
Maybe, new firmwares have this as a default for LCDs?
//Jim
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