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Old 10-08-2012, 09:19 PM
Marko Vojinovic
 
Default X/Display resolution configuration

On Monday, 8. October 2012. 15.54.19 Mike Watson wrote:
> Here's the output of "xrandr." My Xorg.0.log does not exist.

That is very very weird. The log file should exist. Here is one of my machines:

[root@bojan ~]# ll /var/log/Xorg.0.log
-rw-r--r--. 1 root root 31880 Sep 21 14:18 /var/log/Xorg.0.log
[root@bojan ~]# uname -a
Linux bojan 2.6.32-279.5.2.el6.x86_64 #1 SMP Fri Aug 24 01:07:11 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux

Note that "0" in the filename is the digit zero, not the capital letter O.
Maybe the confusion is there.

> Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
> VGA1 connected 1600x900+0+0 (normal left inverted right x axis y axis)
> 440mm x 250mm
> 1600x900 60.0*+
> 1280x1024 75.0 60.0
> 1280x960 60.0
> 1280x800 59.8
> 1152x864 75.0
> 1280x720 60.0
> 1024x768 75.1 70.1 60.0
> 832x624 74.6
> 800x600 72.2 75.0 60.3 56.2
> 640x480 72.8 75.0 66.7 60.0
> 720x400 70.1
> HDMI1 disconnected (normal left inverted right x axis y axis)
> DP1 disconnected (normal left inverted right x axis y axis)

This looks perfectly normal. The 1600x900 resolution is the preferred default
and active.

> My system will run the 1600x900 60.0*+ selection if I choose it at
> login. Otherwise it reverts to a lower selection 1280x1024.

What do you mean by "choose at login"? How exactly are you logging in and
where are you offered this choice?

HTH, :-)
Marko



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Old 10-08-2012, 09:51 PM
Mike Watson
 
Default X/Display resolution configuration

Login as normal via the linux login screen. The display is 1280x1024. I
use the system config to change the display to 1600x900. All works
until I logout. The next time I log in, the display has reverted to
1280X1024. It's as if, when I change the display to the higher value,
it's not being retained---only for the duration of that session.

mw

--

"Lose not thy airspeed, lest the ground rises up and smites thee."
-- William Kershner
http://crucis-court.com
http://www.crucis.net/1632search


On 10/08/2012 04:19 PM, Marko Vojinovic wrote:
> On Monday, 8. October 2012. 15.54.19 Mike Watson wrote:
>> Here's the output of "xrandr." My Xorg.0.log does not exist.
> That is very very weird. The log file should exist. Here is one of my machines:
>
> [root@bojan ~]# ll /var/log/Xorg.0.log
> -rw-r--r--. 1 root root 31880 Sep 21 14:18 /var/log/Xorg.0.log
> [root@bojan ~]# uname -a
> Linux bojan 2.6.32-279.5.2.el6.x86_64 #1 SMP Fri Aug 24 01:07:11 UTC 2012
> x86_64 x86_64 x86_64 GNU/Linux
>
> Note that "0" in the filename is the digit zero, not the capital letter O.
> Maybe the confusion is there.
>
>> Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
>> VGA1 connected 1600x900+0+0 (normal left inverted right x axis y axis)
>> 440mm x 250mm
>> 1600x900 60.0*+
>> 1280x1024 75.0 60.0
>> 1280x960 60.0
>> 1280x800 59.8
>> 1152x864 75.0
>> 1280x720 60.0
>> 1024x768 75.1 70.1 60.0
>> 832x624 74.6
>> 800x600 72.2 75.0 60.3 56.2
>> 640x480 72.8 75.0 66.7 60.0
>> 720x400 70.1
>> HDMI1 disconnected (normal left inverted right x axis y axis)
>> DP1 disconnected (normal left inverted right x axis y axis)
> This looks perfectly normal. The 1600x900 resolution is the preferred default
> and active.
>
>> My system will run the 1600x900 60.0*+ selection if I choose it at
>> login. Otherwise it reverts to a lower selection 1280x1024.
> What do you mean by "choose at login"? How exactly are you logging in and
> where are you offered this choice?
>
> HTH, :-)
> Marko
>
>
>
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> http://lists.centos.org/mailman/listinfo/centos
>
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Old 10-08-2012, 10:15 PM
Frank Cox
 
Default X/Display resolution configuration

On Mon, 08 Oct 2012 16:51:17 -0500
Mike Watson wrote:

> Login as normal via the linux login screen. The display is 1280x1024. I
> use the system config to change the display to 1600x900. All works
> until I logout. The next time I log in, the display has reverted to
> 1280X1024. It's as if, when I change the display to the higher value,
> it's not being retained---only for the duration of that session.

> >> Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
> >> VGA1 connected 1600x900+0+0 (normal left inverted right x axis y axis)
> >> 440mm x 250mm
> >> 1600x900 60.0*+

Does this command work?

xrandr --output VGA-1 --mode 1600x900x32

If so, you could add it to /etc/gdm/Init/Default. I think it will work if you
add it just before the first gdmwhich() line, but you might have to do some
experimenting.

--
MELVILLE THEATRE ~ Real D 3D Digital Cinema ~ www.melvilletheatre.com
www.creekfm.com - FIFTY THOUSAND WATTS of POW WOW POWER!
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Old 10-08-2012, 10:30 PM
Gordon Messmer
 
Default X/Display resolution configuration

On 10/08/2012 02:07 PM, Mike Watson wrote:
> I hate to just insert 1181 lines of text into an e-mail.

You can always use pastebin.com or send the file to http://ge.tt

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Old 10-09-2012, 09:25 AM
"Sorin Srbu"
 
Default X/Display resolution configuration

> -----Original Message-----
> From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On
> Behalf Of Lamar Owen
> Sent: den 8 oktober 2012 20:57
> To: CentOS mailing list
> Subject: Re: [CentOS] X/Display resolution configuration
>
> Double check your cable. I ran into a widescreen situation a whle back
where
> one cable didn't work, but the cable that came with the monitor did.
> The EDID value comes from the monitor itself, and the cable must be able
to
> support that in order for the automatic resolution code to properly figure
out the
> resolution.
>
> In the case I mention, even manually setting the resolution in xorg.conf
> didn't work, since the EDID was mangled by the cable.

I see a lot of EDID-errors when booting up CentOS6, this could be due to a
faulty cable, even though it seems to work fine with other OS:es like
Windows and CentOS5?

Is CentOS6 more "picky" with this EDID as compared to e.g. CentOS5?

--
/Sorin

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Old 10-09-2012, 10:30 PM
Mike Watson
 
Default X/Display resolution configuration

I'll try that and let you know.

mw

--

"Lose not thy airspeed, lest the ground rises up and smites thee."
-- William Kershner
http://crucis-court.com
http://www.crucis.net/1632search


On 10/08/2012 05:15 PM, Frank Cox wrote:
> On Mon, 08 Oct 2012 16:51:17 -0500
> Mike Watson wrote:
>
>> Login as normal via the linux login screen. The display is 1280x1024. I
>> use the system config to change the display to 1600x900. All works
>> until I logout. The next time I log in, the display has reverted to
>> 1280X1024. It's as if, when I change the display to the higher value,
>> it's not being retained---only for the duration of that session.
>>>> Screen 0: minimum 320 x 200, current 1600 x 900, maximum 8192 x 8192
>>>> VGA1 connected 1600x900+0+0 (normal left inverted right x axis y axis)
>>>> 440mm x 250mm
>>>> 1600x900 60.0*+
> Does this command work?
>
> xrandr --output VGA-1 --mode 1600x900x32
>
> If so, you could add it to /etc/gdm/Init/Default. I think it will work if you
> add it just before the first gdmwhich() line, but you might have to do some
> experimenting.
>
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Old 10-09-2012, 10:31 PM
Mike Watson
 
Default X/Display resolution configuration

According to xorg.0.log, it's seeing the EDID fine. All the info was there.

mw

--

"Lose not thy airspeed, lest the ground rises up and smites thee."
-- William Kershner
http://crucis-court.com
http://www.crucis.net/1632search


On 10/09/2012 04:25 AM, Sorin Srbu wrote:
>> -----Original Message-----
>> From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On
>> Behalf Of Lamar Owen
>> Sent: den 8 oktober 2012 20:57
>> To: CentOS mailing list
>> Subject: Re: [CentOS] X/Display resolution configuration
>>
>> Double check your cable. I ran into a widescreen situation a whle back
> where
>> one cable didn't work, but the cable that came with the monitor did.
>> The EDID value comes from the monitor itself, and the cable must be able
> to
>> support that in order for the automatic resolution code to properly figure
> out the
>> resolution.
>>
>> In the case I mention, even manually setting the resolution in xorg.conf
>> didn't work, since the EDID was mangled by the cable.
> I see a lot of EDID-errors when booting up CentOS6, this could be due to a
> faulty cable, even though it seems to work fine with other OS:es like
> Windows and CentOS5?
>
> Is CentOS6 more "picky" with this EDID as compared to e.g. CentOS5?
>
> --
> /Sorin
>
> _______________________________________________
> CentOS mailing list
> CentOS@centos.org
> http://lists.centos.org/mailman/listinfo/centos
>
_______________________________________________
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http://lists.centos.org/mailman/listinfo/centos
 

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