есть две вдеокарты intel GMA HD in i3 and ATI 5730, при отключении первой видеокарты через switcheroo и попытке запустить Xы, ничего не получается. Частичный лог Х:
(II) fglrx(0): Bad V_BIOS checksum
(II) fglrx(0): Primary V_BIOS segment is: 0xc000
(EE) fglrx(0): Hasn't establisted DRM connection
(II) fglrx(0): Invalid ATI BIOS from int10, the adapter is not VGA-enabled
(EE) fglrx(0): Invalid video BIOS signature!
(EE) fglrx(0): GetBIOSParameter failed
(EE) fglrx(0): PreInitAdatper failed
(EE) fglrx(0): PreInit failed
(II) fglrx(0): === [atiddxPreInit] === end
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 15, (OK)
drmOpenByBusid: Searching for BusID pci:0000:00:02.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 15, (OK)
drmOpenByBusid: drmOpenMinor returns 15
drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
(**) intel(1): Depth 24, (--) framebuffer bpp 32
(==) intel(1): RGB weight 888
(==) intel(1): Default visual is TrueColor
(**) intel(1): Option "Tiling" "false"
(II) intel(1): Integrated Graphics Chipset: Intel(R) Arrandale
(--) intel(1): Chipset: "Arrandale"
xorg.conf
Section "ServerLayout"
Identifier "X.org Configured"
Screen 0 "LaptopLCD_ATI" 0 0
Screen "LaptopLCD_Intel"
EndSection
Section "Module"
Load "glx"
Load "extmod"
Load "record"
Load "GLcore"
Load "dbe"
Load "dri"
Load "dri2"
EndSection
Section "ServerFlags"
Option "AIGLX" "On"
Option "Xinerama" "off"
EndSection
Section "Monitor"
Identifier "LCD"
VendorName "Monitor Vendor"
ModelName "Monitor Model"
EndSection
Section "Device"
Identifier "Intel GMA HD 5700"
Driver "intel"
BusID "PCI:0:2:0"
VendorName "Intel Corporation"
Option "AccelMethod" "UXA"
Option "Tiling" "false"
EndSection
Section "Device"
Identifier "ATI Mobility Radeon HD 5730"
Driver "fglrx"
VendorName "ATI Technologies Inc"
BoardName "Unknown Board"
Option "DRI" "true"
Option "XAANoOffscreenPixmaps" "true"
BusID "PCI:1:0:0"
EndSection
Section "Screen"
Identifier "LaptopLCD_ATI"
Device "ATI Mobility Radeon HD 5730"
Monitor "LCD"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1366x768"
EndSubSection
EndSection
Section "Screen"
Identifier "LaptopLCD_Intel"
Device "Intel GMA HD 5700"
Monitor "LCD"
DefaultDepth 24
SubSection "Display"
Viewport 0 0
Depth 24
Modes "1366x768"
EndSubSection
EndSection
Section "DRI"
Mode 0666
EndSection
Section "Extensions"
Option "Composite" "On"
EndSection