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#1 Re: Help & Support (Testing/Unstable) » Xorg problems with multi-GPU system (NVIDIA) » 2013-07-02 16:12:45

dangerman

Update: 

I switched to using the beta driver (325.08) and am able to start X with the Quadro card.  I had to turn off compositing, however.  This makes me think my problem was a bug with the current recommended nvidia driver, so I'm still searching around for more information.

#2 Re: Help & Support (Testing/Unstable) » Xorg problems with multi-GPU system (NVIDIA) » 2013-06-14 15:57:05

dangerman

Using Device0 is what is causing all the errors. I switched it back to Device1 in order to start X again and keep working. Sorry I forgot to mention that.

#3 Help & Support (Testing/Unstable) » Xorg problems with multi-GPU system (NVIDIA) » 2013-06-14 15:24:41

dangerman
Replies: 3

Hi all,

I have a workstation with two NVIDIA cards: one I want to use for X (Quadro 600) and another which I want to dedicate to scientific computation (Tesla C2075). My problem is that I cannot seem to get X running using the Quadro card, although it works perfectly with the Tesla. When I assign the Quadro device to "Screen" in my xorg.conf, starting X fails with:

Fatal server error:
no screens found

Looking through /var/log/Xorg.1.log, I find this message:

Failed to assign any connected display devices to X screen 0

I've been searching for a solution for this for quite a while. I came across the bumblebee project but from what I read it is geared towards using an integrated card and discrete card together, which is not what I want.

I have installed the latest nvidia driver using smxi, and I have found accounts where others have been using a Quadro card with no problems, but nothing seems "different" on my system.  I was wondering if the physical location of the cards matters (pci bus id)? I would appreciate any insight into this problem. My xorg.conf and /var/log/Xorg.1.log files are below.  I am running Waldorf.

Section "ServerLayout"
    Identifier     "X.org Configured"
    Screen      0  "Screen0" 0 0
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
    Option         "Xinerama" "1"
EndSection

Section "Files"
    ModulePath      "/usr/lib/xorg/modules"
    FontPath        "/usr/share/fonts/X11/misc"
    FontPath        "/usr/share/fonts/X11/cyrillic"
    FontPath        "/usr/share/fonts/X11/100dpi/:unscaled"
    FontPath        "/usr/share/fonts/X11/75dpi/:unscaled"
    FontPath        "/usr/share/fonts/X11/Type1"
    FontPath        "/usr/share/fonts/X11/100dpi"
    FontPath        "/usr/share/fonts/X11/75dpi"
    FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
    FontPath        "built-ins"
EndSection

Section "Module"
    Load           "extmod"
    Load           "dbe"
	Load	"glx"
    Load           "dri2"
#	Load	"dri"
    Load           "record"
EndSection

Section "InputDevice"
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "InputDevice"
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/input/mice"
    Option         "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "DELL U2312HM"
    HorizSync       30.0 - 83.0
    VertRefresh     56.0 - 76.0
EndSection

Section "Device"
    Identifier     	"Device0"
	Driver			"nvidia"
	Option      	"Coolbits"	"1"
	Option      	"AddARGBGLXVisuals"	"true"
	Option      	"TripleBuffer"	"false"
    VendorName     	"NVIDIA Corporation"
    BoardName      	"Quadro 600"
	BusID			"PCI:6:0:0"
EndSection

Section "Device"
    Identifier     	"Device1"
	Driver			"nvidia"
	Option      	"Coolbits"	"1"
	Option      	"AddARGBGLXVisuals"	"true"
	Option      	"TripleBuffer"	"false"
    VendorName     	"NVIDIA Corporation"
    BoardName      	"Tesla C2075"
	BusID			"PCI:5:0:0"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device1"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "1920x1080_60 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
	Option      "Composite"	"enable"
#	Option      "RENDER"	"disable"
EndSection
[  3464.080] 
X.Org X Server 1.12.4
Release Date: 2012-08-27
[  3464.080] X Protocol Version 11, Revision 0
[  3464.080] Build Operating System: Linux 3.2.0-4-amd64 x86_64 Debian
[  3464.080] Current Operating System: Linux reef 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2 x86_64
[  3464.080] Kernel command line: BOOT_IMAGE=/vmlinuz-3.2.0-4-amd64 root=/dev/mapper/reef-root ro quiet
[  3464.080] Build Date: 17 April 2013  10:22:47AM
[  3464.080] xorg-server 2:1.12.4-6 (Julien Cristau <jcristau@debian.org>) 
[  3464.080] Current version of pixman: 0.26.0
[  3464.080] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[  3464.080] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[  3464.080] (==) Log file: "/var/log/Xorg.1.log", Time: Tue May 14 15:01:57 2013
[  3464.080] (==) Using config file: "/etc/X11/xorg.conf"
[  3464.080] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[  3464.081] (==) ServerLayout "X.org Configured"
[  3464.081] (**) |-->Screen "Screen0" (0)
[  3464.081] (**) |   |-->Monitor "Monitor0"
[  3464.081] (**) |   |-->Device "Device0"
[  3464.081] (**) |-->Input Device "Mouse0"
[  3464.081] (**) |-->Input Device "Keyboard0"
[  3464.081] (**) Option "Xinerama" "0"
[  3464.081] (==) Automatically adding devices
[  3464.081] (==) Automatically enabling devices
[  3464.081] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[  3464.081] 	Entry deleted from font path.
[  3464.081] (WW) The directory "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" does not exist.
[  3464.081] 	Entry deleted from font path.
[  3464.081] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[  3464.081] 	Entry deleted from font path.
[  3464.082] (WW) The directory "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType" does not exist.
[  3464.082] 	Entry deleted from font path.
[  3464.082] (**) FontPath set to:
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/100dpi/:unscaled,
	/usr/share/fonts/X11/75dpi/:unscaled,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	built-ins,
	/usr/share/fonts/X11/misc,
	/usr/share/fonts/X11/100dpi/:unscaled,
	/usr/share/fonts/X11/75dpi/:unscaled,
	/usr/share/fonts/X11/Type1,
	/usr/share/fonts/X11/100dpi,
	/usr/share/fonts/X11/75dpi,
	built-ins
[  3464.082] (**) ModulePath set to "/usr/lib/xorg/modules"
[  3464.082] (**) Extension "Composite" is enabled
[  3464.082] (WW) Hotplugging is on, devices using drivers 'kbd', 'mouse' or 'vmmouse' will be disabled.
[  3464.082] (WW) Disabling Mouse0
[  3464.082] (WW) Disabling Keyboard0
[  3464.082] (II) Loader magic: 0x7f2764348ae0
[  3464.082] (II) Module ABI versions:
[  3464.082] 	X.Org ANSI C Emulation: 0.4
[  3464.082] 	X.Org Video Driver: 12.1
[  3464.082] 	X.Org XInput driver : 16.0
[  3464.082] 	X.Org Server Extension : 6.0
[  3464.084] (--) PCI:*(0:5:0:0) 10de:1096:10de:0910 rev 161, Mem @ 0xde000000/16777216, 0xf0000000/134217728, 0xf8000000/33554432, I/O @ 0x0000d000/128, BIOS @ 0x????????/524288
[  3464.084] (--) PCI: (0:6:0:0) 10de:0df8:10de:0835 rev 161, Mem @ 0xdc000000/16777216, 0xe0000000/134217728, 0xe8000000/33554432, I/O @ 0x0000c000/128, BIOS @ 0x????????/524288
[  3464.084] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[  3464.084] (II) "extmod" will be loaded. This was enabled by default and also specified in the config file.
[  3464.084] (II) "dbe" will be loaded. This was enabled by default and also specified in the config file.
[  3464.084] (II) "glx" will be loaded. This was enabled by default and also specified in the config file.
[  3464.084] (II) "record" will be loaded. This was enabled by default and also specified in the config file.
[  3464.084] (II) "dri" will be loaded by default.
[  3464.084] (II) "dri2" will be loaded. This was enabled by default and also specified in the config file.
[  3464.084] (II) LoadModule: "extmod"
[  3464.085] (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so
[  3464.085] (II) Module extmod: vendor="X.Org Foundation"
[  3464.085] 	compiled for 1.12.4, module version = 1.0.0
[  3464.085] 	Module class: X.Org Server Extension
[  3464.085] 	ABI class: X.Org Server Extension, version 6.0
[  3464.085] (II) Loading extension SELinux
[  3464.085] (II) Loading extension MIT-SCREEN-SAVER
[  3464.085] (II) Loading extension XFree86-VidModeExtension
[  3464.085] (II) Loading extension XFree86-DGA
[  3464.085] (II) Loading extension DPMS
[  3464.085] (II) Loading extension XVideo
[  3464.085] (II) Loading extension XVideo-MotionCompensation
[  3464.085] (II) Loading extension X-Resource
[  3464.085] (II) LoadModule: "dbe"
[  3464.086] (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so
[  3464.086] (II) Module dbe: vendor="X.Org Foundation"
[  3464.086] 	compiled for 1.12.4, module version = 1.0.0
[  3464.086] 	Module class: X.Org Server Extension
[  3464.086] 	ABI class: X.Org Server Extension, version 6.0
[  3464.086] (II) Loading extension DOUBLE-BUFFER
[  3464.086] (II) LoadModule: "glx"
[  3464.086] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[  3464.099] (II) Module glx: vendor="NVIDIA Corporation"
[  3464.099] 	compiled for 4.0.2, module version = 1.0.0
[  3464.099] 	Module class: X.Org Server Extension
[  3464.099] (II) NVIDIA GLX Module  319.17  Thu Apr 25 21:41:50 PDT 2013
[  3464.099] (II) Loading extension GLX
[  3464.099] (II) LoadModule: "dri2"
[  3464.099] (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so
[  3464.099] (II) Module dri2: vendor="X.Org Foundation"
[  3464.099] 	compiled for 1.12.4, module version = 1.2.0
[  3464.099] 	ABI class: X.Org Server Extension, version 6.0
[  3464.099] (II) Loading extension DRI2
[  3464.099] (II) LoadModule: "record"
[  3464.099] (II) Loading /usr/lib/xorg/modules/extensions/librecord.so
[  3464.099] (II) Module record: vendor="X.Org Foundation"
[  3464.099] 	compiled for 1.12.4, module version = 1.13.0
[  3464.099] 	Module class: X.Org Server Extension
[  3464.099] 	ABI class: X.Org Server Extension, version 6.0
[  3464.099] (II) Loading extension RECORD
[  3464.099] (II) LoadModule: "dri"
[  3464.100] (II) Loading /usr/lib/xorg/modules/extensions/libdri.so
[  3464.100] (II) Module dri: vendor="X.Org Foundation"
[  3464.100] 	compiled for 1.12.4, module version = 1.0.0
[  3464.100] 	ABI class: X.Org Server Extension, version 6.0
[  3464.100] (II) Loading extension XFree86-DRI
[  3464.100] (II) LoadModule: "nvidia"
[  3464.100] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
[  3464.100] (II) Module nvidia: vendor="NVIDIA Corporation"
[  3464.100] 	compiled for 4.0.2, module version = 1.0.0
[  3464.100] 	Module class: X.Org Video Driver
[  3464.100] (II) NVIDIA dlloader X Driver  319.17  Thu Apr 25 21:23:57 PDT 2013
[  3464.100] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[  3464.100] (++) using VT number 8

[  3464.116] (II) Loading sub module "fb"
[  3464.116] (II) LoadModule: "fb"
[  3464.116] (II) Loading /usr/lib/xorg/modules/libfb.so
[  3464.117] (II) Module fb: vendor="X.Org Foundation"
[  3464.117] 	compiled for 1.12.4, module version = 1.0.0
[  3464.117] 	ABI class: X.Org ANSI C Emulation, version 0.4
[  3464.117] (II) Loading sub module "wfb"
[  3464.117] (II) LoadModule: "wfb"
[  3464.117] (II) Loading /usr/lib/xorg/modules/libwfb.so
[  3464.117] (II) Module wfb: vendor="X.Org Foundation"
[  3464.117] 	compiled for 1.12.4, module version = 1.0.0
[  3464.117] 	ABI class: X.Org ANSI C Emulation, version 0.4
[  3464.117] (II) Loading sub module "shadow"
[  3464.117] (II) LoadModule: "shadow"
[  3464.118] (II) Loading /usr/lib/xorg/modules/libshadow.so
[  3464.118] (II) Module shadow: vendor="X.Org Foundation"
[  3464.118] 	compiled for 1.12.4, module version = 1.1.0
[  3464.118] 	ABI class: X.Org ANSI C Emulation, version 0.4
[  3464.118] (II) Loading sub module "ramdac"
[  3464.118] (II) LoadModule: "ramdac"
[  3464.118] (II) Module "ramdac" already built-in
[  3464.118] (**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
[  3464.118] (==) NVIDIA(0): RGB weight 888
[  3464.118] (==) NVIDIA(0): Default visual is TrueColor
[  3464.118] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[  3464.118] (**) NVIDIA(0): Option "Stereo" "0"
[  3464.118] (**) NVIDIA(0): Option "TripleBuffer" "false"
[  3464.118] (**) NVIDIA(0): Option "AddARGBGLXVisuals" "true"
[  3464.118] (**) NVIDIA(0): Stereo disabled by request
[  3464.118] (**) NVIDIA(0): Option "Coolbits" "1"
[  3464.118] (**) NVIDIA(0): Option "MetaModes" "1920x1080_60 +0+0"
[  3464.118] (**) NVIDIA(0): Enabling 2D acceleration
[  3464.451] drmOpenDevice: node name is /dev/dri/card0
[  3464.455] drmOpenByBusid: Searching for BusID PCI:6:0:0
[  3464.455] drmOpenDevice: node name is /dev/dri/card0
[  3464.458] drmOpenByBusid: drmOpenMinor returns -1
[  3464.458] drmOpenDevice: node name is /dev/dri/card1
[  3464.462] drmOpenByBusid: drmOpenMinor returns -1
[  3464.462] drmOpenDevice: node name is /dev/dri/card2
[  3464.466] drmOpenByBusid: drmOpenMinor returns -1
[  3464.466] drmOpenDevice: node name is /dev/dri/card3
[  3464.470] drmOpenByBusid: drmOpenMinor returns -1
[  3464.470] drmOpenDevice: node name is /dev/dri/card4
[  3464.474] drmOpenByBusid: drmOpenMinor returns -1
[  3464.474] drmOpenDevice: node name is /dev/dri/card5
[  3464.478] drmOpenByBusid: drmOpenMinor returns -1
[  3464.478] drmOpenDevice: node name is /dev/dri/card6
[  3464.481] drmOpenByBusid: drmOpenMinor returns -1
[  3464.481] drmOpenDevice: node name is /dev/dri/card7
[  3464.485] drmOpenByBusid: drmOpenMinor returns -1
[  3464.485] drmOpenDevice: node name is /dev/dri/card8
[  3464.489] drmOpenByBusid: drmOpenMinor returns -1
[  3464.489] drmOpenDevice: node name is /dev/dri/card9
[  3464.493] drmOpenByBusid: drmOpenMinor returns -1
[  3464.493] drmOpenDevice: node name is /dev/dri/card10
[  3464.497] drmOpenByBusid: drmOpenMinor returns -1
[  3464.497] drmOpenDevice: node name is /dev/dri/card11
[  3464.501] drmOpenByBusid: drmOpenMinor returns -1
[  3464.501] drmOpenDevice: node name is /dev/dri/card12
[  3464.504] drmOpenByBusid: drmOpenMinor returns -1
[  3464.504] drmOpenDevice: node name is /dev/dri/card13
[  3464.508] drmOpenByBusid: drmOpenMinor returns -1
[  3464.508] drmOpenDevice: node name is /dev/dri/card14
[  3464.512] drmOpenByBusid: drmOpenMinor returns -1
[  3464.512] drmOpenDevice: node name is /dev/dri/card15
[  3464.516] drmOpenByBusid: drmOpenMinor returns -1
[  3464.529] (II) NVIDIA(0): NVIDIA GPU Quadro 600 (GF108GL) at PCI:6:0:0 (GPU-0)
[  3464.529] (--) NVIDIA(0): Memory: 1048576 kBytes
[  3464.529] (--) NVIDIA(0): VideoBIOS: 70.08.88.00.01
[  3464.529] (II) NVIDIA(0): Detected PCI Express Link width: 16X
[  3464.535] (--) NVIDIA(0): Valid display device(s) on Quadro 600 at PCI:6:0:0
[  3464.535] (--) NVIDIA(0):     CRT-0
[  3464.535] (--) NVIDIA(0):     DFP-0
[  3464.535] (--) NVIDIA(0):     DFP-1
[  3464.535] (--) NVIDIA(0):     DFP-2
[  3464.535] (--) NVIDIA(0): CRT-0: 400.0 MHz maximum pixel clock
[  3464.535] (--) NVIDIA(0): DFP-0: 330.0 MHz maximum pixel clock
[  3464.535] (--) NVIDIA(0): DFP-0: Internal Single Link TMDS
[  3464.535] (--) NVIDIA(0): DFP-1: 165.0 MHz maximum pixel clock
[  3464.535] (--) NVIDIA(0): DFP-1: Internal Single Link TMDS
[  3464.535] (--) NVIDIA(0): DFP-2: 480.0 MHz maximum pixel clock
[  3464.535] (--) NVIDIA(0): DFP-2: Internal DisplayPort
[  3464.535] (EE) NVIDIA(0): Failed to assign any connected display devices to X screen 0
[  3464.539] (EE) NVIDIA(0): Failing initialization of X screen 0
[  3464.564] (II) UnloadModule: "nvidia"
[  3464.564] (II) UnloadSubModule: "shadow"
[  3464.564] (II) UnloadSubModule: "wfb"
[  3464.564] (II) UnloadSubModule: "fb"
[  3464.564] (EE) Screen(s) found, but none have a usable configuration.
[  3464.564] 
Fatal server error:
[  3464.564] no screens found
[  3464.564] 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[  3464.564] Please also check the log file at "/var/log/Xorg.1.log" for additional information.
[  3464.564] 
[  3464.566] Server terminated with error (1). Closing log file.

Thanks

#4 Re: Help & Support (Testing/Unstable) » [Solved] Help with screen tearing using nvidia graphics card » 2013-05-04 16:21:23

dangerman

Thanks for the quick reply, M4he!

I followed your instructions and as far as I can see the tearing has gone away on the desktop and when watching videos.  This solution seems very simple compared with all the other random things I had been trying.

A few notes for anyone else following this, I uninstalled compton via apt-get (which was named compton-git). After compiling, installed the new binary to /usr/bin and added the line to the end of my openbox autostart file as per the first reply post.  I also had to remove the line starting cb-compositor from the autostart file as it was removed with the previous compton package, or else there were some issues with startup of following programs. Also, nvidia-xconfig set the composite extension to "disable" so I had to enable it after regenerating xorg.conf.

Thanks a lot! It appears zubcho81 has also got this working so I'll mark this as solved.

#5 Help & Support (Testing/Unstable) » [Solved] Help with screen tearing using nvidia graphics card » 2013-05-04 01:20:10

dangerman
Replies: 14

Hi all, I'm in need of some help.  I am getting screen tearing after installing crunchbang 11 waldorf (64bit) and the nvidia proprietary driver 319.17 for a geforce gt 750M card (using smxi).  I have spent a few days searching and trying out solutions to this problem but I haven't had any luck. 

Here are the actions/steps I have tried to fix this problem:

  • set vblank on (nvidia-settings)

  • set resolution and refresh rate explicitly in nvidia-settings

  • added nvidia-settings -l to autostart

  • tried adjusting arguments passed to compton from this thread: compton config

  • editing xorg.conf to disable composite

  • editing xorg.conf to set Option GLXVBlank "True"

The tearing is very noticeable when scrolling through websites.  I tried disabling compositing via the #! menu and restarting X but I am still getting tearing. 

A few posts I've read suggest that this is a problem with compton because it uses xrender instead of openGL.  If that's the case then I'm guessing when I thought I disabled compton through the #! menu it didn't actually work and/or I did something wrong.

I'm not sure what my next steps should be.  I'm not inclined towards fancy desktop effects but I definitely need to be able to scroll down a document without my screen getting sliced up.

Here is what my xorg.conf looks like currently

# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings:  version 319.17  (buildmeister@swio-display-x86-rhel47-06)  Thu Apr 25 22:28:13 PDT 2013

Section "ServerLayout"
    Identifier     "X.org Configured"
    Screen      0  "Screen0" 0 0
    InputDevice    "Mouse0" "CorePointer"
    InputDevice    "Keyboard0" "CoreKeyboard"
    Option         "Xinerama" "0"
EndSection

Section "Files"
    ModulePath      "/usr/lib/xorg/modules"
    FontPath        "/usr/share/fonts/X11/misc"
    FontPath        "/usr/share/fonts/X11/cyrillic"
    FontPath        "/usr/share/fonts/X11/100dpi/:unscaled"
    FontPath        "/usr/share/fonts/X11/75dpi/:unscaled"
    FontPath        "/usr/share/fonts/X11/Type1"
    FontPath        "/usr/share/fonts/X11/100dpi"
    FontPath        "/usr/share/fonts/X11/75dpi"
    FontPath        "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
    FontPath        "built-ins"
EndSection

Section "Module"
    Load           "extmod"
    Load           "record"
#	Load	"dri"
    Load           "glx"
    Load           "dri2"
    Load           "dbe"
EndSection

Section "InputDevice"
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "InputDevice"
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/input/mice"
    Option         "ZAxisMapping" "4 5 6 7"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "CMN"
    HorizSync       30.0 - 75.0
    VertRefresh     60.0
EndSection

Section "Monitor"
    Identifier     "Monitor1"
    VendorName     "Monitor Vendor"
    ModelName      "Monitor Model"
EndSection

Section "Monitor"
    Identifier     "Monitor2"
    VendorName     "Monitor Vendor"
    ModelName      "Monitor Model"
EndSection

Section "Device"

        ### Available Driver options are:-
        ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
        ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
        ### <percent>: "<f>%"
        ### [arg]: arg optional
        #Option     "SWcursor"           	# [<bool>]
        #Option     "HWcursor"           	# [<bool>]
        #Option     "NoAccel"            	# [<bool>]
        #Option     "ShadowFB"           	# [<bool>]
        #Option     "VideoKey"           	# <i>
        #Option     "WrappedFB"          	# [<bool>]
        Option     "GLXVBlank"          "True"	
        #Option     "ZaphodHeads"        	# <str>
        #Option     "PageFlip"           	# [<bool>]
        #Option     "SwapLimit"          	# <i>
        #Option     "AsyncUTSDFS"        	# [<bool>]
    Identifier     "Card0"
    Driver         "nvidia"
    Option         "Coolbits" "1"
    Option         "AddARGBGLXVisuals" "true"
    Option         "TripleBuffer" "false"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"

        ### Available Driver options are:-
        ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
        ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
        ### <percent>: "<f>%"
        ### [arg]: arg optional
        #Option     "ShadowFB"           	# [<bool>]
        #Option     "Rotate"             	# <str>
        #Option     "fbdev"              	# <str>
        #Option     "debug"              	# [<bool>]
    Identifier     "Card1"
    Driver         "nvidia"
    Option         "Coolbits" "1"
    Option         "AddARGBGLXVisuals" "true"
    Option         "TripleBuffer" "false"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"

        ### Available Driver options are:-
        ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
        ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
        ### <percent>: "<f>%"
        ### [arg]: arg optional
        #Option     "ShadowFB"           	# [<bool>]
        #Option     "DefaultRefresh"     	# [<bool>]
        #Option     "ModeSetClearScreen" 	# [<bool>]
    Identifier     "Card2"
    Driver         "nvidia"
    Option         "Coolbits" "1"
    Option         "AddARGBGLXVisuals" "true"
    Option         "TripleBuffer" "false"
    BusID          "PCI:1:0:0"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BoardName      "GeForce GT 750M"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "Stereo" "0"
    Option         "metamodes" "1366x768_60 +0+0"
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen1"
    Device         "Card1"
    Monitor        "Monitor1"
    SubSection     "Display"
        Viewport    0 0
        Depth       1
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       4
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       8
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       15
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       16
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       24
    EndSubSection
EndSection

Section "Screen"
    Identifier     "Screen2"
    Device         "Card2"
    Monitor        "Monitor2"
    SubSection     "Display"
        Viewport    0 0
        Depth       1
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       4
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       8
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       15
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       16
    EndSubSection
    SubSection     "Display"
        Viewport    0 0
        Depth       24
    EndSubSection
EndSection

Section "Extensions"
    Option         "Composite" "disable"
#	Option      "RENDER"	"disable"
EndSection

Thanks for any help or advice on this issue.

#6 Help & Support (Testing/Unstable) » Issues with radeon graphics / screen flickering » 2013-02-14 18:44:26

dangerman
Replies: 0

Hi all,

I am new to #! (but not to linux) and am very impressed with it so far!  I have put it on an older laptop (LG R405) which has integrated graphics (ATI Radeon X1250) which I see are no longer supported by the newer Catalyst drivers.  The open source drivers seem to be doing fine (although I don't play games or anything on this laptop) except when I do something like put the laptop to sleep, suspend, or use a screensaver.  After I do any one of those things, I get flickering horizontal lines on my screen, which get worse when I do something like play a video.  I have searched around a bit but am not sure what could be causing this other than the drivers.  Come to think of it, I have had other problems with software like PyMol with rendering, however I don't know for sure if it's related.

Right now I have the laptop set up so that it never sleeps, but that is inconvenient and I noticed it gets a little hot.  This is my only personal computer right now and I am stuck with it for a while, so any help with diagnosing or fixing this problem is appreciated!

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