How to disable screen blanking?

Ralf Mardorf ralf.mardorf at
Thu Nov 15 15:08:35 UTC 2012

On Thu, 15 Nov 2012 10:02:38 -0500
Adam Behnke <abehnke at> wrote:

> what kind for graphics card is it? maybe the nvidia/amd restricted
> driver is preventing it.

I'm using the open source ATI driver, the proprietary driver for my
card doesn't work with current X.

spinymouse at qrc:~$ cat /etc/X11/xorg.conf
Section "ServerLayout"
	Identifier     " Configured"
	Screen      0  "Screen0" 0 0

Section "Monitor"
	Identifier   "Monitor0"
  	DisplaySize  305 230
  	HorizSync    29-98
  	VertRefresh  50-120
	modeline     "1152x864" 128.42 1152 1232 1360 1568 864 865 868
910 Gamma	     1.0

Section "Device"
	Identifier  "Card0"
	Driver	"radeon"

Section "Screen"
	Identifier "Screen0"
	Device     "Card0"
	Monitor    "Monitor0"
	SubSection "Display"
		Viewport   0 0
		Depth	24
		Modes      "1152x864"
spinymouse at qrc:~$ hwinfo --gfx
> hal.1: read hal dataprocess 2944: arguments to dbus_move_error() were
> incorrect, assertion "(dest) == NULL || !dbus_error_is_set ((dest))"
> failed in file ../../dbus/dbus-errors.c line 282.
This is normally a bug in some application using the D-Bus library.
libhal.c 3483 : Error unsubscribing to signals, error=The name
org.freedesktop.Hal was not provided by any .service files 27: PCI
105.0: 0300 VGA compatible controller (VGA) [Created at pci.318]
  Unique ID: ul7N.A_MYUPeZ6pD
  Parent ID: vSkL.Objt6VSItgC
  SysFS ID: /devices/pci0000:00/0000:00:01.0/0000:01:05.0
  SysFS BusID: 0000:01:05.0
  Hardware Class: graphics card
  Model: "ATI RS690 [Radeon X1200 Series]"
  Vendor: pci 0x1002 "ATI Technologies Inc"
  Device: pci 0x791e "RS690 [Radeon X1200 Series]"
  SubVendor: pci 0x1043 "ASUSTeK Computer Inc."
  SubDevice: pci 0x826d 
  Driver: "radeon"
  Driver Modules: "drm"
  Memory Range: 0xd0000000-0xdfffffff (ro,non-prefetchable)
  Memory Range: 0xfdff0000-0xfdffffff (rw,non-prefetchable)
  I/O Ports: 0xce00-0xceff (rw)
  Memory Range: 0xfde00000-0xfdefffff (rw,non-prefetchable)
  IRQ: 43 (11727 events)
  I/O Ports: 0x3c0-0x3df (rw)
  Module Alias: "pci:v00001002d0000791Esv00001043sd0000826Dbc03sc00i00"
  Driver Info #0:
    Driver Status: radeon is active
    Driver Activation Cmd: "modprobe radeon"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #9 (PCI bridge)

Primary display adapter: #27
spinymouse at qrc:~$ 

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