Nixpkgs: X won't start with Nvidia or Nouveau drivers on GTX 860M

Created on 4 May 2015  ·  30Comments  ·  Source: NixOS/nixpkgs

As per the NixOS manual, I tried to enable the Nvidia driver using

services.xserver.videoDrivers = [ "nvidia" ];

After rebuilding and rebooting, X doesn't start. I tried to check the display manager service:

$ systemctl status display-manager
● display-manager.service - X11 Server
   Loaded: loaded (/nix/store/zacnf54ph45ghlgg5axiqizrc827q390-unit-display-manager.service/display-manager.service)
   Active: active (running) since Mon 2015-05-04 18:10:48 CEST; 1min 1s ago
  Process: 1626 ExecStartPre=/nix/store/m0nmfbpwcb5zf3r7qbmpjc486r43ksnn-unit-script/bin/display-manager-pre-start (code=exited, status=0/SUCCESS)
 Main PID: 1640 (gdm)
   CGroup: /system.slice/display-manager.service
           └─1640 /nix/store/1nnnvi056hkkiffz49yplgl5g2dyic1g-gdm-3.12.2/sbin/gdm

May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: (EE)
May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: Please consult the The X.Org Foundation support
May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: at http://wiki.x.org
May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: for help.
May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: (EE) Please also check the log file at "/var/log/X.0.log" for additional information.
May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: (EE)
May 04 18:10:48 viktor.zareason.nixos gdm-Xorg-:5[1694]: (EE) Server terminated with error (1). Closing log file.
May 04 18:10:48 viktor.zareason.nixos display-manager-start[1640]: Child process 1694 was already dead.
May 04 18:10:48 viktor.zareason.nixos display-manager-start[1640]: GdmDisplay: display lasted 0.042872 seconds
May 04 18:10:48 viktor.zareason.nixos display-manager-start[1640]: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors

X.0.log:

[     5.011] 
X.Org X Server 1.16.4
Release Date: 2014-12-20
[     5.011] X Protocol Version 11, Revision 0
[     5.011] Build Operating System: Linux 3.12.27 x86_64 
[     5.011] Current Operating System: Linux viktor.zareason.nixos 3.14.34 #1-NixOS SMP Thu Jan 1 00:00:01 UTC 1970 x86_64
[     5.011] Kernel command line: BOOT_IMAGE=(hd0,msdos4)/nix/store/2g0dz7iapq7fynpngqyr33pj09bkq9zk-linux-3.14.34/bzImage systemConfig=/nix/store/ikr7al2havs36hla1n0v7qg7sdn5g1n4-nixos-14.12.496.5f7d374 init=/nix/store/ikr7al2havs36hla1n0v7qg7sdn5g1n4-nixos-14.12.496.5f7d374/init loglevel=4
[     5.011] Build Date: 01 March 2015  04:27:12AM
[     5.011]  
[     5.011] Current version of pixman: 0.32.6
[     5.011]    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
[     5.011] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[     5.011] (++) Log file: "/var/log/X.0.log", Time: Mon May  4 18:10:48 2015
[     5.012] (++) Using config file: "/nix/store/23p9nmyqay94895yyxq121v9287kvmzd-xserver.conf"
[     5.012] (==) Using system config directory "/nix/store/byfwj18c0vqv7z23grqjb4zdjkcdfwp5-xorg-server-1.16.4/share/X11/xorg.conf.d"
[     5.012] (==) ServerLayout "Layout[all]"
[     5.012] (**) |-->Screen "Screen-nvidia[0]" (0)
[     5.012] (**) |   |-->Monitor "<default monitor>"
[     5.012] (**) |   |-->Device "Device-nvidia[0]"
[     5.012] (==) No monitor specified for screen "Screen-nvidia[0]".
    Using a default monitor configuration.
[     5.012] (**) Option "AllowMouseOpenFail" "on"
[     5.012] (==) Automatically adding devices
[     5.012] (==) Automatically enabling devices
[     5.012] (==) Automatically adding GPU devices
[     5.012] (**) FontPath set to:
    /nix/store/3pbnv5fsknh53cfjwqb89n0s75ywmkny-font-bh-ttf-1.0.3/lib/X11/fonts/TTF,
    /nix/store/id3pjhddh4iy42yml928f54wr585s8mn-font-bh-lucidatypewriter-100dpi-1.0.3/lib/X11/fonts/100dpi,
    /nix/store/iycwkhsz5im0wjq9kb54yxig0049frm1-font-bh-lucidatypewriter-75dpi-1.0.3/lib/X11/fonts/75dpi,
    /nix/store/l8rcr4dnps5c4rjsdbsbn9a5znlw0hd9-font-bh-100dpi-1.0.3/lib/X11/fonts/100dpi,
    /nix/store/nwxwvz3z4qxb6ljaxrcbnphkxdl3cjh4-font-misc-misc-1.1.2/lib/X11/fonts/misc,
    /nix/store/9qfd5x9pbbjgnmrqwrhcwkjxw8b9k9ym-font-cursor-misc-1.0.3/lib/X11/fonts/misc,
    /nix/store/bq4i16p6jhzcm4i1pqarwzyjlxv9ma4v-font-adobe-100dpi-1.0.3/lib/X11/fonts/100dpi,
    /nix/store/rrnyihgrhwjxnasp6jaira12rmarwd7r-font-adobe-75dpi-1.0.3/lib/X11/fonts/75dpi
[     5.012] (**) ModulePath set to "/nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib,/nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib/xorg/modules,/nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib/xorg/modules/drivers,/nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib/xorg/modules/extensions,/nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib/tls,/nix/store/byfwj18c0vqv7z23grqjb4zdjkcdfwp5-xorg-server-1.16.4/lib/xorg/modules,/nix/store/byfwj18c0vqv7z23grqjb4zdjkcdfwp5-xorg-server-1.16.4/lib/xorg/modules/extensions,/nix/store/byfwj18c0vqv7z23grqjb4zdjkcdfwp5-xorg-server-1.16.4/lib/xorg/modules/multimedia,/nix/store/g1awh0crnm8770ydfp17g22vpr26n4v4-xf86-input-evdev-2.9.1/lib/xorg/modules/input,/nix/store/hlw13bfcq7czs7h23m9ykkw87rypimb1-xf86-input-synaptics-1.8.1/lib/xorg/modules/input"
[     5.012] (II) The server relies on udev to provide the list of input devices.
    If no devices become available, reconfigure udev or disable AutoAddDevices.
[     5.012] (II) Loader magic: 0x80d9c0
[     5.012] (II) Module ABI versions:
[     5.012]    X.Org ANSI C Emulation: 0.4
[     5.012]    X.Org Video Driver: 18.0
[     5.012]    X.Org XInput driver : 21.0
[     5.012]    X.Org Server Extension : 8.0
[     5.013] (EE) systemd-logind: failed to get session: PID 1694 does not belong to any known session
[     5.013] (II) xfree86: Adding drm device (/dev/dri/card1)
[     5.013] (II) xfree86: Adding drm device (/dev/dri/card0)
[     5.014] (--) PCI:*(0:0:2:0) 8086:0416:1558:2300 rev 6, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64
[     5.014] (--) PCI: (0:1:0:0) 10de:1392:1558:2300 rev 162, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[     5.014] (II) Open ACPI successful (/var/run/acpid.socket)
[     5.014] (II) "glx" will be loaded by default.
[     5.014] (II) LoadModule: "glx"
[     5.014] (II) Loading /nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib/xorg/modules/extensions/libglx.so
[     5.022] (II) Module glx: vendor="NVIDIA Corporation"
[     5.022]    compiled for 4.0.2, module version = 1.0.0
[     5.022]    Module class: X.Org Server Extension
[     5.022] (II) NVIDIA GLX Module  340.65  Tue Dec  2 09:10:06 PST 2014
[     5.022] (II) LoadModule: "nvidia"
[     5.023] (II) Loading /nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/lib/xorg/modules/drivers/nvidia_drv.so
[     5.023] (II) Module nvidia: vendor="NVIDIA Corporation"
[     5.023]    compiled for 4.0.2, module version = 1.0.0
[     5.023]    Module class: X.Org Video Driver
[     5.023] (II) NVIDIA dlloader X Driver  340.65  Tue Dec  2 08:47:36 PST 2014
[     5.023] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[     5.023] (++) using VT number 7

[     5.028] (EE) No devices detected.
[     5.028] (EE) 
Fatal server error:
[     5.028] (EE) no screens found(EE) 
[     5.028] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[     5.028] (EE) Please also check the log file at "/var/log/X.0.log" for additional information.
[     5.028] (EE)
bug
Source
picture vr2262

Most helpful comment

@yamafaktory Holy Bajesus! That was a fast reply and everything works perfectly. Thanks!
So, the solution is to also add intel like services.xserver.videoDrivers = [ "intel" "nvidea" ].

picture DonManley on 30 Nov 2016
👍2

All 30 comments

I am guessing you are using a 'stable' release which still has 340.xx as the default nvidia driver, it doesn't have the newer short/long lived drivers (they need to be back ported).

codyopel picture codyopel on 4 May 2015

OK, I will try one of the non-stable releases and report back...

vr2262 picture vr2262 on 4 May 2015

No luck... I added the unstable channel and rebuilt, but got the same behavior and same error.

vr2262 picture vr2262 on 4 May 2015

Actually... let me try one more time.

vr2262 picture vr2262 on 4 May 2015

If it fails again can you provide a snippet of the X.0.log, if it updated to the unstable channel it should have 346.xx instead of 340.xx, in the paths in the log, e.g. Loading /nix/store/3536xcs59rhrdkj6h286y9pxngv1xnf2-nvidia-x11-340.65-3.14.34/...

codyopel picture codyopel on 4 May 2015

try
dmesg |grep -i nvidia
to check whether kernel module of nvidia has been loaded

shen390s picture shen390s on 5 May 2015

I ran into the same errors after doing a clean install of the NixOS 15.05pre61665.4c01e6d unstable channel.

X.0.log:

[     4.098] 
X.Org X Server 1.16.4
Release Date: 2014-12-20
[     4.098] X Protocol Version 11, Revision 0
[     4.098] Build Operating System: Linux 3.14.36 x86_64 
[     4.098] Current Operating System: Linux viktor.nixos 3.18.12 #1-NixOS SMP Thu Jan 1 00:00:01 UTC 1970 x86_64
[     4.098] Kernel command line: BOOT_IMAGE=(hd0,msdos4)/nix/store/p7zird1zm9ldxdsgsfq41x9q1zp4svhi-linux-3.18.12/bzImage systemConfig=/nix/store/7ndc5lspx5jpk3axxhgpqkkl5dm0rjl4-nixos-15.05pre61665.4c01e6d init=/nix/store/7ndc5lspx5jpk3axxhgpqkkl5dm0rjl4-nixos-15.05pre61665.4c01e6d/init loglevel=4
[     4.098] Build Date: 24 April 2015  04:53:17AM
[     4.098]  
[     4.098] Current version of pixman: 0.32.6
[     4.098]    Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
[     4.098] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[     4.099] (++) Log file: "/var/log/X.0.log", Time: Tue May  5 10:05:56 2015
[     4.099] (++) Using config file: "/nix/store/rbsdvchyp31f0mzjx49586090n112p29-xserver.conf"
[     4.099] (==) Using system config directory "/nix/store/z06j0qa4z8klvy81fy9z22fmhycinfm4-xorg-server-1.16.4/share/X11/xorg.conf.d"
[     4.099] (==) ServerLayout "Layout[all]"
[     4.099] (**) |-->Screen "Screen-nvidia[0]" (0)
[     4.099] (**) |   |-->Monitor "<default monitor>"
[     4.099] (**) |   |-->Device "Device-nvidia[0]"
[     4.099] (==) No monitor specified for screen "Screen-nvidia[0]".
    Using a default monitor configuration.
[     4.099] (**) Option "AllowMouseOpenFail" "on"
[     4.099] (==) Automatically adding devices
[     4.099] (==) Automatically enabling devices
[     4.099] (==) Automatically adding GPU devices
[     4.099] (**) FontPath set to:
    /nix/store/lr2mapbgchdlrldlcgzmjnnrnwq7ijrp-font-bh-ttf-1.0.3/lib/X11/fonts/TTF,
    /nix/store/r4adxjkwq3g8gq06yl5w9jcc06m0z5sw-font-bh-lucidatypewriter-100dpi-1.0.3/lib/X11/fonts/100dpi,
    /nix/store/9vxdbarq2dx0b6mzfkwp5lwd01dgvv7z-font-bh-lucidatypewriter-75dpi-1.0.3/lib/X11/fonts/75dpi,
    /nix/store/if66sslh4yywfr3gph8d1nq7gqjbhpzd-font-bh-100dpi-1.0.3/lib/X11/fonts/100dpi,
    /nix/store/k3as755n0aq58dby56banjb6971bqnkw-font-misc-misc-1.1.2/lib/X11/fonts/misc,
    /nix/store/fm1v7ia144vcg6pqxh02v1qnv37lpbc7-font-cursor-misc-1.0.3/lib/X11/fonts/misc,
    /nix/store/dp51hcr529psw3bv2x7rypbx6fp6pxi3-font-adobe-100dpi-1.0.3/lib/X11/fonts/100dpi,
    /nix/store/cn6r677pjf5plcvr2igfq53vnwkbn8v6-font-adobe-75dpi-1.0.3/lib/X11/fonts/75dpi
[     4.099] (**) ModulePath set to "/nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib,/nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib/tls,/nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib/xorg/modules,/nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib/xorg/modules/extensions,/nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib/xorg/modules/drivers,/nix/store/z06j0qa4z8klvy81fy9z22fmhycinfm4-xorg-server-1.16.4/lib/xorg/modules,/nix/store/z06j0qa4z8klvy81fy9z22fmhycinfm4-xorg-server-1.16.4/lib/xorg/modules/extensions,/nix/store/z06j0qa4z8klvy81fy9z22fmhycinfm4-xorg-server-1.16.4/lib/xorg/modules/multimedia,/nix/store/3d2fh17r0v8b773m8wlrhmx3wyg6vyyp-xf86-input-evdev-2.9.1/lib/xorg/modules/input,/nix/store/gkpqh1sqfizbf3v230df2xnkgissvij9-xf86-input-synaptics-1.8.1/lib/xorg/modules/input"
[     4.099] (II) The server relies on udev to provide the list of input devices.
    If no devices become available, reconfigure udev or disable AutoAddDevices.
[     4.099] (II) Loader magic: 0x80d960
[     4.099] (II) Module ABI versions:
[     4.099]    X.Org ANSI C Emulation: 0.4
[     4.099]    X.Org Video Driver: 18.0
[     4.099]    X.Org XInput driver : 21.0
[     4.099]    X.Org Server Extension : 8.0
[     4.099] (EE) systemd-logind: failed to get session: PID 817 does not belong to any known session
[     4.100] (II) xfree86: Adding drm device (/dev/dri/card0)
[     4.100] (II) xfree86: Adding drm device (/dev/dri/card1)
[     4.100] (--) PCI:*(0:0:2:0) 8086:0416:1558:2300 rev 6, Mem @ 0xf7400000/4194304, 0xd0000000/268435456, I/O @ 0x0000f000/64
[     4.100] (--) PCI: (0:1:0:0) 10de:1392:1558:2300 rev 162, Mem @ 0xf6000000/16777216, 0xe0000000/268435456, 0xf0000000/33554432, I/O @ 0x0000e000/128, BIOS @ 0x????????/524288
[     4.101] (II) Open ACPI successful (/var/run/acpid.socket)
[     4.101] (II) "glx" will be loaded by default.
[     4.101] (II) LoadModule: "glx"
[     4.101] (II) Loading /nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib/xorg/modules/extensions/libglx.so
[     4.107] (II) Module glx: vendor="NVIDIA Corporation"
[     4.107]    compiled for 4.0.2, module version = 1.0.0
[     4.107]    Module class: X.Org Server Extension
[     4.107] (II) NVIDIA GLX Module  346.59  Tue Mar 31 13:38:58 PDT 2015
[     4.107] (II) LoadModule: "nvidia"
[     4.107] (II) Loading /nix/store/0smrdfnk2dvz1qmhbgdya8yff4izfhcn-nvidia-x11-346.59-3.18.12/lib/xorg/modules/drivers/nvidia_drv.so
[     4.107] (II) Module nvidia: vendor="NVIDIA Corporation"
[     4.107]    compiled for 4.0.2, module version = 1.0.0
[     4.107]    Module class: X.Org Video Driver
[     4.107] (II) NVIDIA dlloader X Driver  346.59  Tue Mar 31 13:17:41 PDT 2015
[     4.107] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[     4.107] (++) using VT number 7

[     4.111] (EE) No devices detected.
[     4.111] (EE) 
Fatal server error:
[     4.111] (EE) no screens found(EE) 
[     4.111] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[     4.111] (EE) Please also check the log file at "/var/log/X.0.log" for additional information.
[     4.111] (EE)

dmesg | grep -i nvidia:

[    1.240985] nvidia: module license 'NVIDIA' taints kernel.
[    1.246329] [drm] Initialized nvidia-drm 0.0.0 20150116 for 0000:01:00.0 on minor 0
[    1.246332] NVRM: loading NVIDIA UNIX x86_64 Kernel Module  346.59  Tue Mar 31 14:10:31 PDT 2015
[    1.250605] nvidia_uvm: Loaded the UVM driver, major device number 251
vr2262 picture vr2262 on 5 May 2015

It seems that server can not find the correct monitor device:
4.099 | |-->Device "Device-nvidia[0]"
4.099 No monitor specified for screen "Screen-nvidia[0]".
Using a default monitor configuration.
4.099 Option "AllowMouseOpenFail" "on"

....

4.111 No devices detected.
4.111
Fatal server error:
4.111 no screens found(EE)
4.111
Please consult the The X.Org Foundation support

you may need to add monitor specification in your screen section and add a monitor section. You may also need to specify your monitor parameters.

shen390s picture shen390s on 5 May 2015

Is there any way to generate those parameters automatically?

vr2262 picture vr2262 on 5 May 2015

Also, for what it's worth, I changed to services.xserver.videoDrivers = [ "nouveau" ]; and encountered the same error: (EE) No devices detected. ... (EE) no screens found.

vr2262 picture vr2262 on 5 May 2015

I've been affected by this for a while as well with the same errors. I saw something about generating the config with nvidia-settings?

codygman picture codygman on 5 Jun 2015

Maybe this is related to you having actually two usable GPUs – one in CPU and another discrete one. It might at least start X if you use videoDrivers = [ "intel" ]; instead.

I have no experience with that and I don't see any documentation even on our wiki. Maybe authors know: @coreyoconnor, @ktosiek.

vcunat picture vcunat on 5 Jun 2015

Try running sudo lspci -v to see if your GPU is powered up, and if there's any kernel driver claiming it. If it's not powered up, you'll probably want to use bumblebee.
I don't have any nVidia GPUs around, so I can't check if the bumblebee stuff still works.

ktosiek picture ktosiek on 5 Jun 2015

I have the same problem when enabling nvidia in the videoDrivers options...that being said..in hardware-configuration.nix autogenerated I have

  boot.initrd.availableKernelModules = [ "xhci_hcd" "ehci_pci" "ahci" "usbhid" "usb_storage" ];
  boot.kernelModules = [ "kvm-intel" ];

So I hope the nvidia part in the videoDrivers option adds nvidia to the kernel Modules...Also I'm using Bumblebee now, but can't run optirun because I get this error 

$ optirun glxgears                                                            ~
[   52.610361] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) systemd-logind: failed to get session: PID 2061 does not belong to any known session

[   52.610388] [ERROR]Aborting because fallback start is disabled.

I'm in unstable channel and I tried it he stable channel too and no luck.

CestDiego picture CestDiego on 28 Jul 2015

I'm having the same problems with at least the nvidia driver and this card:

01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [NVS 5400M] (rev ff)

optirun works for me though as far as I can see.

globin picture globin on 25 Aug 2015

I would also like to add that this issue has absolutely plagued me for over
5 years on linux using laptops :S

On Tue, Aug 25, 2015 at 1:10 PM, Robin Gloster [email protected]
wrote:

I'm having the same problems with at least the nvidia driver and this card:

01:00.0 VGA compatible controller: NVIDIA Corporation GF108M NVS 5400M

optirun works for me though as far as I can see.

—
Reply to this email directly or view it on GitHub
https://github.com/NixOS/nixpkgs/issues/7696#issuecomment-134689626.

codygman picture codygman on 25 Aug 2015

Same issue here:

02:00.0 VGA compatible controller: NVIDIA Corporation GK208M [GeForce GT 730M] (rev a1)
sjmackenzie picture sjmackenzie on 15 Mar 2016

This seemed to work for me: services.xserver.videoDrivers = [ "nvidiaBeta" ];

sjmackenzie picture sjmackenzie on 16 Mar 2016

@sjmackenzie
The beta driver is currently just an alias to the default driver.
https://github.com/NixOS/nixpkgs/blob/2ac4dba0fb4d82d526ece4d99937330b428ccbf5/pkgs/top-level/all-packages.nix#L10643

codyopel picture codyopel on 16 Mar 2016

Well I cannot explain it:

this

services.xserver.videoDrivers = [ "nvidia" ];

results in a black screen for me.

this:

services.xserver.videoDrivers = [ "nvidiaBeta" ];

this works perfectly well, with smooth 3d support.

sjmackenzie picture sjmackenzie on 16 Mar 2016

Hi,

I'm a newcomer in the NixOS world (and so far that's pretty amazing!) and I'm also fighting against my laptop (Lenovo Z50) which has two CG (an Nvidia discrete one and an Intel one on the CPU). I've enabled Bumblebee and tried first with videoDrivers = [ "nvidia" ]; without success. Switching to videoDrivers = [ "intel" ]; obviously solves the issue as described previously but I want to find a way to get it working.

Is there any update on that topic? Thanks!

yamafaktory picture yamafaktory on 20 Jun 2016

I have a gtx 660M. I spent all weekend trying to get it to work again
(something I've done many times). I belive the nvidiaBeta driver is 362. I
think support for our Optimus graphics cards doesn't really work until 364.

I plan on modifying the nix expression this afternoon to test my theory.

If anyone tests it first, please let me know if it works.
On Jun 20, 2016 2:00 AM, "Davy Duperron" [email protected] wrote:

Hi,

I'm a newcomer in the NixOS world (and so far that's pretty amazing!) and
I'm also fighting against my laptop (Lenovo Z50) which has two CG (an
Nvidia discrete one and an Intel one on the CPU). I've enabled Bumblebee
and tried first with videoDrivers = [ "nvidia" ]; without success.
Switching to videoDrivers = [ "intel" ]; obviously solves the issue as
described previously but I want to find a way to get it working.

Is there any update on that topic? Thanks!

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codygman picture codygman on 20 Jun 2016

As mentioned earlier, I switched to videoDrivers = [ "nvidiaBeta" ]; with success!

yamafaktory picture yamafaktory on 21 Jun 2016

Same issue. Xorg doesn't start when services.xserver.videoDrivers = [ "nvidia" ]. "nvidiaBeta" does not work either. NVidia video card is "GT 630M". The laptop I'm trying this on has both NVidea and Intel video cards. I'm trying to use make NVidia driver available for use with bumblebee and optirun. Perhaps, we are doing it wrong and this shouldn't be done though "services.xserver.videoDrivers"?

DonManley picture DonManley on 29 Nov 2016

@DonManley here is my current configuration (with Bumblebee and Optirun perfectly running): https://github.com/yamafaktory/nixos-configuration/blob/master/configuration.nix#L33

yamafaktory picture yamafaktory on 29 Nov 2016

@yamafaktory Holy Bajesus! That was a fast reply and everything works perfectly. Thanks!
So, the solution is to also add intel like services.xserver.videoDrivers = [ "intel" "nvidea" ].

DonManley picture DonManley on 30 Nov 2016
👍2

Sorry to revive an ancient thread but I'm having exactly (?) the same problem on NixOS master, 17.09, and 17.03 at the moment. I'm using a Nvidia GTX 980 and it used to work on NixOS on this machine but has suddenly (?) stopped working - no signal on DVI port - and I'm seeing the same things in the logs (two PCI devices detected, no devices found, no screens found.)

I have tried twiddling the X drivers list with combinations of intel/nvidia/nvidiaBeta but it hasn't worked for me as it has for others. Help?

lukego picture lukego on 27 Nov 2019

Miiight be related to #73804

Can you check the output of nvidia-smi?

coreyoconnor picture coreyoconnor on 27 Nov 2019

ah indeed. some overlap

@mdedetrich says "It seems like unless you have intel nixos can't even detect any screens."

try adding the intel video driver? xserver.videoDrivers = [ "intel" "nvidia" ];

coreyoconnor picture coreyoconnor on 27 Nov 2019

Yeah I had the same issue on my Thinkpad P1 Gen 2 laptop, I had to add "intel" to my videoDrivers section, the wiki has also been updated.

mdedetrich picture mdedetrich on 28 Nov 2019
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