Ed Greshko wrote, On 01/20/2012 10:56 PM:
On 01/21/2012 11:50 AM, Gene Smith wrote:
Since moving to f16 (from f14) sometimes my screen goes blanks for no
apparent reason. KDE power setting and screen saver settings seem OK.
Also, it doesn't happen on every KDE login but when it does its like
the computer has turned off and there is no video signal and the
monitor goes to sleep until I move the mouse or press a key. Then
monitor might only stays on a few seconds until it goes off again.
Sometimes logging off and back on fixes it. Today it seems to be OK.
Not sure if this is h/w or s/w caused.
Not seeing that problem here... I suppose the questions I'd ask are:
1. How did you go from F14 to F16? Fresh install, or?
Not fresh -- did upgrade
2. What is your video hardware?
Radeon HD 4200 on Mboard.
3. What is the output of xset q ?
Keyboard Control:
auto repeat: on key click percent: 0 LED mask: 00000000
XKB indicators:
00: Caps Lock: off 01: Num Lock: off 02: Scroll Lock: off
03: Compose: off 04: Kana: off 05: Sleep: off
06: Suspend: off 07: Mute: off 08: Misc: off
09: Mail: off 10: Charging: off 11: Shift Lock: off
12: Group 2: off 13: Mouse Keys: off
auto repeat delay: 250 repeat rate: 30
auto repeating keys: 00ffffffdffffbbf
fadfffefffedffff
9fffffffffffffff
fff7ffffffffffff
bell percent: 50 bell pitch: 400 bell duration: 100
Pointer Control:
acceleration: 20/10 threshold: 2
Screen Saver:
prefer blanking: yes allow exposures: yes
timeout: 0 cycle: 600
Colors:
default colormap: 0x20 BlackPixel: 0x0 WhitePixel: 0xffffff
Font Path:
catalogue:/etc/X11/fontpath.d,built-ins
DPMS (Energy Star):
Standby: 48 Suspend: 72 Off: 96 <<<<<--short standby!
DPMS is Enabled
Monitor is On
xset -dpms seems to fix the problem until re-login. On each login, it
appears the DPMS parameters were coming up with random value or with
DPMS disabled. I think my problem is that in kde setting for
"performance" power profile I had unchecked all the options. This
*seems* to stop KDE from setting any dpms options and they come up
random. If I check and set at least "Screen Energy Saving" and set it to
a reasonable value, like 90 min, then on login the DPMS "Standby" value
follows it and DPMS is enabled and I don't see a quick screen blank.
("Suspend" and "Off" seem to get set to even longer times but I don't
think are relevant for my Monitor.)
So now with "Screen Energy Saving" and "Suspend Session" set respective
to 90 and 120 minutes, I consistently see this with xset q after re-login:
DPMS (Energy Star):
Standby: 5400 Suspend: 8100 Off: 10800 <<<< now stby is 90 min.
DPMS is Enabled
Monitor is On
I will see over time if this actually fixes the problem.
-gene
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