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тАО06-06-2007 09:35 PM
тАО06-06-2007 09:35 PM
DECW screen saver blanking on dual-head workstation
I have a PWS 500au with 2x ELSA Gloria cards. running dual-head with the Xinerama extension. OpenVMS V8.3 (patched up to end May 20007), DECW-Motif V1.6-ECO02.
When the screen saver cuts in Screen 0 loses the video output (good), but Screen 1 does not (bad). I've tried setting the decw$server_screen_saver_prefer_blanking logical name to "true" and that makes no difference.
The output from "mcr decw$utils:xset q" shows that blanking is enabled.
This has actually been around with previous versions of OpenVMS and Motif (V7.3-2, V8.2), so it's not a new problem. I'd just like to fix it so that my LCD monitors shut down rather than stay active.
Anyone know what needs to be done?
Cheers, Colin (http://www.xdelta.co.uk).
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тАО06-08-2007 09:21 AM
тАО06-08-2007 09:21 AM
Re: DECW screen saver blanking on dual-head workstation
I think the support for decwindows
went over seas along with decnet. I've kept
in touch with a couple of engineers there
and will see who to contact. Dean
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тАО06-12-2007 12:26 AM
тАО06-12-2007 12:26 AM
Re: DECW screen saver blanking on dual-head workstation
If you select another screen saver, does it show up on both screens ? And if you lock the station ?
As I understand it, the screensaver (even blank) is dtscreen but locking it (and blanking ???) is done by dtsession.
Wim
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тАО06-22-2007 04:00 AM
тАО06-22-2007 04:00 AM
Re: DECW screen saver blanking on dual-head workstation
Sorry for the delay, heres the response
I got from the decwindows project leader..
****************
Hello Dean,
Sorry for the delayed reply. I have tested the multi head configuration
here and I don't see any issue. In my testing the screen blanking was
observed
on both screens.
My configuration is:
OpenVMS 8.3 with Elsa Gloria cards.
Send me your configuration as well.
********************
So theres a mystery since you are at 8.3
and running the same cards. Dean
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тАО06-22-2007 07:20 AM
тАО06-22-2007 07:20 AM
Re: DECW screen saver blanking on dual-head workstation
Thanks for that. My best guess as to why it's different here is that I'm using the Xinerama extension to get a single logical screen rather than 2 separate screens.
Otherwise it's basically the same. I might get around to trying it without Xinerama, but not for a week or two as I'm travelling a lot at the moment.
Cheers, Colin (http://www.xdelta.co.uk).
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тАО06-24-2007 11:25 AM
тАО06-24-2007 11:25 AM
Re: DECW screen saver blanking on dual-head workstation
I've used DECwindows dual head for many years, but not yet experimented with Xinerama (might try it though, it sounds like OpenVMS has finally caught up with the rest of the multi head world, at last! ;-)
> I've tried setting the
> decw$server_screen_saver_prefer_blanking
> logical name to "true" and that makes no
> difference.
WAG: If this works the same as most of the other display oriented logical names, try:
$ DEFINE/table=wherever decw$server_screen_saver_prefer_blanking TRUE,TRUE
ie: define a search list with one entry per display.
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тАО06-25-2007 03:59 AM
тАО06-25-2007 03:59 AM
Re: DECW screen saver blanking on dual-head workstation
heres a reply after I told him what
you are using.. Dean
***********
Hello Dean,
I have tested with multi head, after your reply tested with Xinerama as
well. Once you set up Xinerama the what you see is single desktop
spread
over multiple monitors. Hence no question of getting the screen saver
on
one monitor and not getting it on the other. Please try with screen
saver
which is displayed randomly at different corners of the monitor.
***********************
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тАО08-14-2007 12:02 AM
тАО08-14-2007 12:02 AM
Re: DECW screen saver blanking on dual-head workstation
Nice guess John - but no difference I'm afraid.
Thanks for the help too Dean.
Testing here shows that having Xinerama enabled or disabled makes no difference.
I consistently have screen 0 go blank (no video output) and screen 1 remain active once the screen saver timeout period has expired.
Applying the recent patches to the OS have made no difference either (as you'd expect really).
I wonder if there's some resource setting somewhere in a Motif style config file?
Any idea what else might help?
Cheers, Colin (http://www.xdelta.co.uk).
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тАО12-07-2009 09:07 AM
тАО12-07-2009 09:07 AM
Re: DECW screen saver blanking on dual-head workstation
- the logical names (decw$server_screen_saver_prefer_blanking, decw$server_screen_saver_timeout) need to be defined /system, not /system/exec.
- decw$private_server_setup.com is called twice, for server init and device init. I gave up and just did everything on both calls :)
- the timeout is in minutes, not seconds.
Cheers, Colin (http://www.xdelta.co.uk).