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Old 06-20-07, 01:03 AM   #1
artem
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Question Cannot set custom modelines in X.org (driver 100.14.09)

1) XRandr says that I run 50Hz vertical refresh rate! I tried running xvidtune but it fails to start:

$ xvidtune
Vendor: Acer, Model: AL1916W
Num hsync: 1, Num vsync: 1
hsync range 0: 30.00 - 82.00
vsync range 0: 56.00 - 76.00
X Error of failed request: XF86VidModeZoomLocked
Major opcode of failed request: 135 (XFree86-VidModeExtension)
Minor opcode of failed request: 5 (XF86VidModeLockModeSwitch)
Serial number of failed request: 15
Current serial number in output stream: 16

2) Besides it looks like fonts DPI is calculated erroneously, some fonts look smaller than on my previous smaller monitor.
Attached Files
File Type: log Xorg.0.log (27.1 KB, 75 views)
File Type: txt xorg.conf.txt (2.4 KB, 87 views)
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Old 06-20-07, 02:05 AM   #2
AaronP
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

These are both FAQs. See the last entry in http://us.download.nvidia.com/XFree8...hapter-07.html and also read http://us.download.nvidia.com/XFree8...ppendix-e.html
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Old 06-20-07, 02:25 AM   #3
artem
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

Thank you for your fast response, but I have another question: is it possible to raise the monitor refresh rate upto 75Hz? Right now I observe a slight annoying flickering in the contrast places like font edges. And I cannot make xvidtune start :-( Google says nothing about this error (XF86VidModeZoomLocked). When I change driver "nvidia" to "nv" in the X.org configuration file then xvidtune works just fine.
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Old 06-20-07, 02:33 AM   #4
AaronP
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

Use nvidia-settings to query or change the refresh rate (hover the mouse over the display in which you're interested to see the current rate). As for xvidtune, that sounds like a bug in your X server or XF86VidMode library.
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Old 06-20-07, 02:43 AM   #5
artem
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

Unfortunately nvidia-settings utility allows setting the only 60Hz refresh rate. Is there any way to create a custom modeline with 70 or 75Hz settings?
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Old 06-20-07, 02:57 AM   #6
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

Quote:
Originally Posted by artem
Unfortunately nvidia-settings utility allows setting the only 60Hz refresh rate. Is there any way to create a custom modeline with 70 or 75Hz settings?


But you are using a TFT screen why would you want more than 60Hz refresh rate?
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Old 06-20-07, 03:12 AM   #7
artem
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

... to overcome the problems with flickering. My monitor is connected via analogue output and pressing "Auto" button doesn't really help.
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Old 06-20-07, 03:15 AM   #8
artem
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

Code:
$ xrandr -q
 SZ:    Pixels          Physical       Refresh
*0   1440 x 900    ( 410mm x 262mm )  *60
 1   1152 x 864    ( 328mm x 252mm )   75   70   60
 2   1024 x 768    ( 292mm x 224mm )   75   70   60
 3    800 x 600    ( 228mm x 175mm )   75   72   65   60   56
 4    640 x 480    ( 182mm x 140mm )   75   73   60
 5   1280 x 800    ( 365mm x 233mm )   75   70   60
 6   1280 x 768    ( 365mm x 224mm )   75   70   60
 7   1280 x 720    ( 365mm x 210mm )   75   70   60
 8    960 x 600    ( 273mm x 175mm )   60
 9    960 x 540    ( 273mm x 157mm )   70   60
 10   840 x 525    ( 239mm x 153mm )   75   70   60
 11   832 x 624    ( 237mm x 182mm )   75
 12   800 x 512    ( 228mm x 149mm )   60
 13   720 x 450    ( 205mm x 131mm )   60
 14   640 x 512    ( 182mm x 149mm )   75   60
 15   640 x 400    ( 182mm x 116mm )   75   70   60
 16   640 x 384    ( 182mm x 112mm )   75   70   60
 17   640 x 360    ( 182mm x 105mm )   75   70   60
 18   576 x 432    ( 164mm x 126mm )   75   70   60
 19   512 x 384    ( 146mm x 112mm )   75   70   60
 20   416 x 312    ( 118mm x  91mm )   75
 21   400 x 300    ( 114mm x  87mm )   75   72   60   56
 22   320 x 240    (  91mm x  70mm )   74   73   60
Current rotation - normal
Current reflection - none
Rotations possible - normal left inverted right
Reflections possible - none
I suppose this monitor is capable of running at 75Hz refresh rate even though xrandr says the opposite.
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Old 06-20-07, 08:47 AM   #9
gbil
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

I had the exact same monitor and it has a problem to report EDID correctly. I just found an copy of my old xorg.conf which I used with this monitor. Use the following modeline:

# ModeLine "1440x900_75.00" 136.5 1440 1536 1688 1936 900 901 904 940 -hsync +vsync

and tell me the results, it worked just fine for me.
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Old 06-20-07, 11:56 AM   #10
artem
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

gbil

With the modeline you have provided X.org starts at 60Hz refresh rate nevertheless flickering is less visible.

Anyway thanks to your modeline I can now set 75Hz refresh rate using krandrtray (Resize and Rotate 0.5) but in this case my monitor cannot adjust the picture - evrything looks distorted and blurry ...

Can you please attach your old xorg.conf?

Code:
[birdie@localhost ~]$ xrandr -q
 SZ:    Pixels          Physical       Refresh
*0   1440 x 900    ( 410mm x 262mm )  *60   75
 1   1152 x 864    ( 328mm x 252mm )   75   70   60
 2   1024 x 768    ( 292mm x 224mm )   75   70   60
 3    800 x 600    ( 228mm x 175mm )   75   72   65   60   56
 4    640 x 480    ( 182mm x 140mm )   75   73   60
 5   1280 x 800    ( 365mm x 233mm )   75   70   60
 6   1280 x 768    ( 365mm x 224mm )   75   70   60
 7   1280 x 720    ( 365mm x 210mm )   75   70   60
 8    960 x 600    ( 273mm x 175mm )   60
 9    960 x 540    ( 273mm x 157mm )   70   60
 10   840 x 525    ( 239mm x 153mm )   75   70   60
 11   832 x 624    ( 237mm x 182mm )   75
 12   800 x 512    ( 228mm x 149mm )   60
 13   720 x 450    ( 205mm x 131mm )   60
 14   640 x 512    ( 182mm x 149mm )   75   60
 15   640 x 400    ( 182mm x 116mm )   75   70   60
 16   640 x 384    ( 182mm x 112mm )   75   70   60
 17   640 x 360    ( 182mm x 105mm )   75   70   60
 18   576 x 432    ( 164mm x 126mm )   75   70   60
 19   512 x 384    ( 146mm x 112mm )   75   70   60
 20   416 x 312    ( 118mm x  91mm )   75
 21   400 x 300    ( 114mm x  87mm )   75   72   60   56
 22   320 x 240    (  91mm x  70mm )   74   73   60
Current rotation - normal
Current reflection - none
Rotations possible - normal left inverted right
Reflections possible - none
zander
netllama

Is it possible to make NVIDIA drivers scan for all possible refresh rates and proper modelines? Clearly my monitor can support 75Hz refresh rate.
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Old 06-20-07, 12:17 PM   #11
AaronP
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

If you override the refresh rate checks and force the driver to do 1440 x 900 at 75 Hz and that causes your monitor to lose sync, then that indicates strongly that your monitor doesn't actually support that resolution at that refresh rate. Do you have a spec sheet or documentation from your monitor that indicates that it should be able to handle it?
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Old 06-20-07, 12:52 PM   #12
artem
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Default Re: Cannot set custom modelines in X.org (driver 100.14.09)

This monitor has wider HorizSync and VertRefresh values than my previous 17" monitor (and it run 75Hz with no special settings at all), thus I can conclude that my initial assumption was right.

I'm now attaching this monitor Windows driver for your pleasure.
Attached Files
File Type: zip AL1916wc.zip (7.4 KB, 77 views)
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