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Old 01-05-2012, 11:31 PM
Andrew Wood
 
Default Screen resolution

Hi Bob

lspci gives:

00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME
Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller (rev 03)




On 06/01/12 00:23, Bob Proulx wrote:

Andrew Wood wrote:

Ive got an LCD screen whose native resolution is 1440x900 yet i can
only get Wheezy to display 1024x768. No higher resolution is listed
in System Settings. How do I enable a higher resolution please?

This is probably an issue of your graphics card rather than the
display itself. Please furnish information about what graphics card
is in your system. You can use the output of the lspci command to
find this.

On my system, for example:

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)

Bob



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Old 01-05-2012, 11:32 PM
Andrew Wood
 
Default Screen resolution

Hi Bob

lspci gives:

00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME
Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller (rev 03)




On 06/01/12 00:23, Bob Proulx wrote:

Andrew Wood wrote:

Ive got an LCD screen whose native resolution is 1440x900 yet i can
only get Wheezy to display 1024x768. No higher resolution is listed
in System Settings. How do I enable a higher resolution please?

This is probably an issue of your graphics card rather than the
display itself. Please furnish information about what graphics card
is in your system. You can use the output of the lspci command to
find this.

On my system, for example:

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)

Bob



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Old 01-05-2012, 11:33 PM
Andrew Wood
 
Default Screen resolution

Hi Bob

lspci gives:

00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME
Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller (rev 03)




On 06/01/12 00:23, Bob Proulx wrote:

Andrew Wood wrote:

Ive got an LCD screen whose native resolution is 1440x900 yet i can
only get Wheezy to display 1024x768. No higher resolution is listed
in System Settings. How do I enable a higher resolution please?

This is probably an issue of your graphics card rather than the
display itself. Please furnish information about what graphics card
is in your system. You can use the output of the lspci command to
find this.

On my system, for example:

$ lspci | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)

Bob



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Old 01-05-2012, 11:59 PM
Kevin Ross
 
Default Screen resolution

On 01/05/2012 04:30 PM, Andrew Wood wrote:

Hi Bob

lspci gives:

00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME
Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel corporation Mobile 945GM/GMS/GME,
943/940GML Express Integrated Graphics Controller (rev 03)





I also have an Intel 945GM graphics chip in my laptop. Works fine for
me on Wheezy. Sounds like you're running the VESA (generic) graphics
driver instead of the Intel one. Do you have xserver-xorg-video-intel
installed? Also, if you have an /etc/X11/xorg.conf file, rename it to
something else, and try restarting X.


Hope this helps!
-- Kevin


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Old 01-06-2012, 01:31 AM
Andrew Wood
 
Default Screen resolution

Hi Kevin


yes the xserver-xorg-video-intel package is installed. how do i check
which driver is actually being used? one strange thing is that the
kernel is printing out the following to the console, not sure what it
means, could it be a fault with the controller board in the LCD?


353.942420] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.
[ 363.669312] Raw EDID:
[ 363.669327] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669335] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669343] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669350] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669357] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669364] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669371] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669378] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669392] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.


On 06/01/12 00:59, Kevin Ross wrote:


I also have an Intel 945GM graphics chip in my laptop. Works fine for
me on Wheezy. Sounds like you're running the VESA (generic) graphics
driver instead of the Intel one. Do you have xserver-xorg-video-intel
installed? Also, if you have an /etc/X11/xorg.conf file, rename it to
something else, and try restarting X.


Hope this helps!
-- Kevin





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Old 01-06-2012, 02:36 AM
Kevin Ross
 
Default Screen resolution

On 01/05/2012 06:31 PM, Andrew Wood wrote:

Hi Kevin


yes the xserver-xorg-video-intel package is installed. how do i check
which driver is actually being used? one strange thing is that the
kernel is printing out the following to the console, not sure what it
means, could it be a fault with the controller board in the LCD?


353.942420] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.
[ 363.669312] Raw EDID:
[ 363.669327] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669335] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669343] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669350] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669357] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669364] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669371] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669378] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669392] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.



You can tell by looking in /var/log/Xorg.0.log. If after looking at the
log file, the problem isn't readily apparent, post the contents here,
and someone should be able to figure out what's wrong.


-- Kevin



On 06/01/12 00:59, Kevin Ross wrote:


I also have an Intel 945GM graphics chip in my laptop. Works fine
for me on Wheezy. Sounds like you're running the VESA (generic)
graphics driver instead of the Intel one. Do you have
xserver-xorg-video-intel installed? Also, if you have an
/etc/X11/xorg.conf file, rename it to something else, and try
restarting X.


Hope this helps!
-- Kevin








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Old 01-06-2012, 09:55 AM
Andrei Popescu
 
Default Screen resolution

On Vi, 06 ian 12, 02:31:17, Andrew Wood wrote:
> Hi Kevin
>
>
> yes the xserver-xorg-video-intel package is installed. how do i
> check which driver is actually being used? one strange thing is that
> the kernel is printing out the following to the console, not sure
> what it means, could it be a fault with the controller board in the
> LCD?

I've had issues with EDID in the past when using too long monitor cable.
Try using a short and known-good cable. If this doesn't work either you
can try replacing/fixing the monitor (it helps if it is still under
warranty) or just hardcode the monitor capabilities in xorg.conf (you
will need some specs out of the user manual or the internet).

Hope this helps,
Andrei
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Old 01-06-2012, 10:43 AM
Andrew Wood
 
Default Screen resolution

You can tell by looking in /var/log/Xorg.0.log. If after looking at
the log file, the problem isn't readily apparent, post the contents
here, and someone should be able to figure out what's wrong.


-- Kevin



The pertinent contents of the log seem to be as follows. Im not sure how
it works. It seems to probe the monitor to see what resolutions it
supports. Should the controller board in the LCD therefore have a list
of supported resolutions on it which it reports back to X?


Im using a controller board from LCDparts.net They claim to have
programmed it for this screen and that if it wasnt programmed correctly
I wouldnt get any image at all and therefore its an OS problem but Im
not convinced.


Thanks for all your help so far!

[ 328.489] (==) No Layout section. Using the first Screen section.
[ 328.489] (==) No screen section available. Using defaults.
[ 328.489] (**) |-->Screen "Default Screen Section" (0)
[ 328.489] (**) | |-->Monitor "<default monitor>"
[ 328.491] (==) No monitor specified for screen "Default Screen Section".
Using a default monitor configuration.
[ 328.491] (==) Automatically adding devices
[ 328.491] (==) Automatically enabling devices

....[some lines cut out]


[ 328.761] (II) LoadModule: "fbdev"
[ 328.763] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 328.815] (II) Module fbdev: vendor="X.Org Foundation"
[ 328.815] compiled for 1.11.0, module version = 0.4.2
[ 328.815] ABI class: X.Org Video Driver, version 11.0
[ 328.816] (II) intel: Driver for Intel Integrated Graphics Chipsets:
i810,

i810-dc100, i810e, i815, i830M, 845G, 854, 852GM/855GM, 865G, 915G,
E7221 (i915), 915GM, 945G, 945GM, 945GME, Pineview GM, Pineview G,
965G, G35, 965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33, GM45,
4 Series, G45/G43, Q45/Q43, G41, B43, B43, Clarkdale, Arrandale,
Sandybridge Desktop (GT1), Sandybridge Desktop (GT2),
Sandybridge Desktop (GT2+), Sandybridge Mobile (GT1),
Sandybridge Mobile (GT2), Sandybridge Mobile (GT2+),
Sandybridge Server, Ivybridge Mobile (GT1), Ivybridge Mobile (GT2),
Ivybridge Desktop (GT1), Ivybridge Desktop (GT2), Ivybridge Server
[ 328.824] (II) VESA: driver for VESA chipsets: vesa
[ 328.824] (II) FBDEV: driver for framebuffer: fbdev
[ 328.824] (++) using VT number 7

[ 328.911] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[ 328.912] (WW) Falling back to old probe method for vesa
[ 328.912] (WW) Falling back to old probe method for fbdev
[ 328.912] (II) Loading sub module "fbdevhw"
[ 328.912] (II) LoadModule: "fbdevhw"
[ 328.913] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 329.158] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 329.158] compiled for 1.11.2.902, module version = 0.0.2
[ 329.158] ABI class: X.Org Video Driver, version 11.0
[ 329.159] drmOpenDevice: node name is /dev/dri/card0
[ 329.159] drmOpenDevice: open result is 9, (OK)
[ 329.159] drmOpenByBusid: Searching for BusID pci:0000:00:02.0
[ 329.159] drmOpenDevice: node name is /dev/dri/card0
[ 329.160] drmOpenDevice: open result is 9, (OK)
[ 329.160] drmOpenByBusid: drmOpenMinor returns 9
[ 329.160] drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
[ 329.160] (II) intel(0): Creating default Display subsection in
Screen sectio

n
"Default Screen Section" for depth/fbbpp 24/32
[ 329.160] (==) intel(0): Depth 24, (--) framebuffer bpp 32
[ 329.160] (==) intel(0): RGB weight 888
[ 329.160] (==) intel(0): Default visual is TrueColor
[ 329.161] (II) intel(0): Integrated Graphics Chipset: Intel(R) 945GME
[ 329.161] (--) intel(0): Chipset: "945GME"
[ 329.161] (**) intel(0): Relaxed fencing disabled
[ 329.161] (**) intel(0): Wait on SwapBuffers? enabled
[ 329.161] (**) intel(0): Triple buffering? enabled
[ 329.161] (**) intel(0): Framebuffer tiled
[ 329.161] (**) intel(0): Pixmaps tiled
[ 329.161] (**) intel(0): 3D buffers tiled
[ 329.161] (**) intel(0): SwapBuffers wait enabled
[ 329.162] (==) intel(0): video overlay key set to 0x101fe
[ 329.230] (II) intel(0): Output VGA1 has no monitor section
[ 329.247] (II) intel(0): Output DVI1 has no monitor section
[ 329.610] (II) intel(0): Output TV1 has no monitor section
[ 329.686] (II) intel(0): EDID for output VGA1
[ 329.686] (II) intel(0): Printing probed modes for output VGA1
[ 329.686] (II) intel(0): Modeline "1024x768"x60.0 65.00 1024 1048
1184 134

4 768 771 777 806 -hsync -vsync (48.4 kHz)
[ 329.687] (II) intel(0): Modeline "800x600"x60.3 40.00 800 840 968
1056 6

00 601 605 628 +hsync +vsync (37.9 kHz)
[ 329.687] (II) intel(0): Modeline "800x600"x56.2 36.00 800 824 896
1024 6

00 601 603 625 +hsync +vsync (35.2 kHz)
[ 329.687] (II) intel(0): Modeline "848x480"x60.0 33.75 848 864 976
1088 4

80 486 494 517 +hsync +vsync (31.0 kHz)
[ 329.687] (II) intel(0): Modeline "640x480"x59.9 25.18 640 656 752
800 48

0 489 492 525 -hsync -vsync (31.5 kHz)
[ 329.704] (II) intel(0): EDID for output DVI1
[ 330.100] (II) intel(0): EDID for output TV1
[ 330.100] (II) intel(0): Output VGA1 connected
[ 330.100] (II) intel(0): Output DVI1 disconnected
[ 330.100] (II) intel(0): Output TV1 disconnected
[ 330.101] (II) intel(0): Using fuzzy aspect match for initial modes
[ 330.101] (II) intel(0): Output VGA1 using initial mode 1024x768
[ 330.101] (II) intel(0): Using default gamma of (1.0, 1.0, 1.0)
unless otherw

ise stated.
[ 330.101] (II) intel(0): Kernel page flipping support detected, enabling
[ 330.101] (==) intel(0): DPI set to (96, 96)
[ 330.101] (II) Loading sub module "fb"
[ 330.101] (II) LoadModule: "fb"
[ 330.103] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 330.197] (II) Module fb: vendor="X.Org Foundation"
[ 330.197] compiled for 1.11.2.902, module version = 1.0.0
[ 330.197] ABI class: X.Org ANSI C Emulation, version 0.4
[ 330.197] (II) Loading sub module "dri2"
[ 330.197] (II) LoadModule: "dri2"
[ 330.199] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[ 330.199] (II) Module dri2: vendor="X.Org Foundation"
[ 330.199] compiled for 1.11.2.902, module version = 1.2.0
[ 330.199] ABI class: X.Org Server Extension, version 6.0
[ 330.199] (II) UnloadModule: "vesa"
[ 330.199] (II) Unloading vesa
[ 330.199] (II) UnloadModule: "fbdev"
[ 330.200] (II) Unloading fbdev
[ 330.200] (II) UnloadModule: "fbdevhw"
[ 330.200] (II) Unloading fbdevhw
[ 330.200] (==) Depth 24 pixmap format is 32 bpp
[ 330.201] (II) intel(0): [DRI2] Setup complete
[ 330.201] (II) intel(0): [DRI2] DRI driver: i915
[ 330.201] (II) intel(0): Allocated new frame buffer 1024x768 stride
4096, tiled




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Old 01-06-2012, 02:58 PM
Johann Klammer
 
Default Screen resolution

Andrew Wood wrote:

Hi Kevin


yes the xserver-xorg-video-intel package is installed. how do i check
which driver is actually being used? one strange thing is that the
kernel is printing out the following to the console, not sure what it
means, could it be a fault with the controller board in the LCD?

353.942420] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.
[ 363.669312] Raw EDID:
[ 363.669327] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669335] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669343] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669350] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669357] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669364] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669371] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669378] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 363.669392] i915 0000:00:02.0: VGA-1: EDID block 0 invalid.


On 06/01/12 00:59, Kevin Ross wrote:


EDID is the mechanism by which the display notifies the Gfx Card
of it's Capabilities(Resolution etc).
The message above may either be caused by your display not supplying
this information, or it is querying the wrong output. VGA instead of
DVI. In the latter case, it may not be significant at all.



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Old 01-06-2012, 03:59 PM
Camaleón
 
Default Screen resolution

On Thu, 05 Jan 2012 23:59:45 +0000, Andrew Wood wrote:

> Ive got an LCD screen whose native resolution is 1440x900 yet i can only
> get Wheezy to display 1024x768. No higher resolution is listed in System
> Settings. How do I enable a higher resolution please?

What's the output of "xrandr"?

You can try to manually add the desired resolution from there (using
xrandr). Here is a good doc, although it can be a bit oudated, YMMV:

https://wiki.ubuntu.com/X/Config/Resolution#Adding_undetected_resolutions

Greetings,

--
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