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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 07-04-2013, 11:39 AM   #1
h4rri
LQ Newbie
 
Registered: Jul 2013
Posts: 11

Rep: Reputation: Disabled
Turn off display on Toshiba Tecra 9000 - Debian 7.0


Hi,

I have an old Toshiba Tecra 9000 which I have 'converted' into a photo frame re-using all the original boards and screen.

I have an issue where the display goes dark but will not power off and the back light is lighting up the room. I am trying to console in and power down the screen using:

Code:
xset dpms force off
xset:  unable to open display ""

sudo vbetool dpms off
This command hangs the console window
When I run xrandr to attempt to disable the display with:

Code:
xrandr --output LVDS1 --off
I get:

Code:
xrandr
Can't open display

The laptop is picking up on the correct VGA driver:

Snippet of cat /var/log/Xorg.0.log
Code:
[    43.056] (II) Loading /usr/lib/xorg/modules/drivers/savage_drv.so
[    43.082] (II) Module savage: vendor="X.Org Foundation"
[    43.082]    compiled for 1.12.1, module version = 2.3.4
[    43.082]    Module class: X.Org Video Driver
[    43.082]    ABI class: X.Org Video Driver, version 12.0
[    43.083] (II) LoadModule: "vesa"
[    43.083] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[    43.218] (II) Module vesa: vendor="X.Org Foundation"
[    43.218]    compiled for 1.12.1, module version = 2.3.1
[    43.218]    Module class: X.Org Video Driver
[    43.218]    ABI class: X.Org Video Driver, version 12.0
[    43.218] (II) LoadModule: "fbdev"
[    43.219] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[    43.234] (II) Module fbdev: vendor="X.Org Foundation"
[    43.234]    compiled for 1.12.1, module version = 0.4.2
[    43.234]    ABI class: X.Org Video Driver, version 12.0
[    43.234] (II) SAVAGE: driver (version 2.3.4) for S3 Savage chipsets: Savage4,
        Savage3D, Savage3D-MV, Savage2000, Savage/MX-MV, Savage/MX,
        Savage/IX-MV, Savage/IX, ProSavage PM133, ProSavage KM133,
        Twister PN133, Twister KN133, SuperSavage/MX 128, SuperSavage/MX 64,
        SuperSavage/MX 64C, SuperSavage/IX 128, SuperSavage/IX 128,
        SuperSavage/IX 64, SuperSavage/IX 64, SuperSavage/IXC 64,
        SuperSavage/IXC 64, ProSavage DDR, ProSavage DDR-K
[    43.236] (II) VESA: driver for VESA chipsets: vesa
[    43.236] (II) FBDEV: driver for framebuffer: fbdev
[    43.236] (++) using VT number 7

[    43.281] (WW) Falling back to old probe method for vesa
[    43.281] (WW) Falling back to old probe method for fbdev
[    43.281] (II) Loading sub module "fbdevhw"
[    43.281] (II) LoadModule: "fbdevhw"
The EDID of the screen is:

Code:
sudo get-edid | sudo parse-edid
parse-edid: parse-edid version 2.0.0
get-edid: get-edid version 2.0.0

        Performing real mode VBE call
        Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
        Function supported
        Call successful

        VBE version 200
        VBE string at 0xc2d2a "S3 Graphics Incorporated. Paramount video BIOS"

VBE/DDC service about to be called
        Report DDC capabilities

        Performing real mode VBE call
        Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
bff7e214:b7795798: B779F000 ILLEGAL EXTENDED X86 OPCODE!
halt_sys: file îVy·<, line -1216784488
        Function unsupported
        Call successful

Reading next EDID block

VBE/DDC service about to be called
        Read EDID

        Performing real mode VBE call
        Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
        Function supported
        Call failed

The EDID data should not be trusted as the VBE call failed
Error: output block unchanged
parse-edid: IO error reading EDID


Running Xorg -configure to refresh the config yields the following log:
Code:
[ 76736.317] (**) ModulePath set to "/usr/lib/xorg/modules"
[ 76736.317] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
[ 76736.317] (WW) Disabling Mouse0
[ 76736.317] (WW) Disabling Keyboard0
[ 76736.318] (WW) Falling back to old probe method for fbdev
[ 76736.318] (II) Loading sub module "fbdevhw"
[ 76736.318] (II) LoadModule: "fbdevhw"
[ 76736.319] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 76736.333] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 76736.333]    compiled for 1.12.4, module version = 0.0.2
[ 76736.333]    ABI class: X.Org Video Driver, version 12.1
[ 76736.333] (WW) Falling back to old probe method for vesa
[ 76736.334] Number of created screens does not match number of detected devices.
  Configuration failed.


Can anyone point me in the right direction please? I am out of idea's and googling has only got me this far.
 
Old 07-16-2013, 08:02 PM   #2
ukiuki
Senior Member
 
Registered: May 2010
Location: Planet Earth
Distribution: Debian
Posts: 1,030

Rep: Reputation: 385Reputation: 385Reputation: 385Reputation: 385
Are you running the default install of Debian 7? Could you post the output for xset q please.

To have the xset to turn off the screen it must be enabled with
Code:
xset +dpms
By default it turns off the screen in 600 secs or 10 minutes.

Regards
 
Old 07-18-2013, 10:48 AM   #3
h4rri
LQ Newbie
 
Registered: Jul 2013
Posts: 11

Original Poster
Rep: Reputation: Disabled
Thanks you for replying, I am indeed running the default Debian 7.

The output is from an SSH session is:

Code:
xset q
xset:  unable to open display ""
I am assuming I will need to run this from an X session on the box

I am currently getting an issue with the backlight where it 'bleeds' until the screen is entirely white.
 
  


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