nVidia Geforce GT 730 - blank screen, nouveau is bad

[mastablasta]

So many users here say use nVidia for linux. Mights as well i think since i don't care what brand the card is al long as it works.

it's been 4 hours now since i've added the card to the PC and i have yet to start using it. the nvidia linux support is really bad. or is this maybe just in ubuntu?


the computer an only boot to desktop with nomodeset parameter and igve resolution 1024 x768 on a 1650 x 1050 monitor. Ubuntu then proposes proprietary drivers. none of those drivers actually support this card. so blank screen. i check the web and apparently the needed driver is 340 at least. ok xorg edgers installs it via their PPA. so i follow that advice

i get blank screen!
using nomodeset parameter i get a cursor and can move to TTY1 to remove the driver.

i tried several other version notihng seems to be working. always blank screen
nvidia settings is empty there is no card inside there. only setup for various applications.

xrandr is not helpful as i can not set any resolution.

all in all this is not working. why not? official documents says it should work just fine. driver supposedly has support fo rthis card. so i am not sure but it looks to me like something is wrong with ubuntu setup.

and the windows way (or why linux desktop is where it is) ? well insert the CD and run the file, profit.

by the way the informaiton on official wiki pages is outdated. some programs are mentioned there that do not even seem to exists. and the instructions are missing or should i say incomplete.

[ulgor]

Hi mastablasta,
For my GeForce GTX 750 Ti, I recently installed the most recent proprietary drivers from the nVidia homepage, and it worked without many additional programs or steps (some issues after kernel updates remain, which still need to be fixed - see below).

The basic steps were:

1. find and download most recent driver
2. press Ctrl+Alt+F1 to drop from graphical desktop to terminal
3. stop graphics via

   sudo lightdm stop

4. enter download directory, then run nvidia install script via

    sudo sh NVIDIA..something

5. answer all with "Yes"
6. reboot

The installer script seems to take care of most of the settings. I am not sure if blacklisting the nouveau drivers is still needed (as suggested in some other threads).

Now the only problem I have is that some updates (probably the ones updating kernel/graphics driver settings) lead to a black screen on startup. This is fixed by simply re-installing the driver using the steps above... That's ugly, but restores the system to a usable state immediately. Trying to find a solution for that at the moment...

[mastablasta]

the only thing i haven't tried yet is manual install and that is the reason why i try to avoid it since PC is used by others mostly.

i wonder if the card should be recognised even with opensource drivers. mine is not. it is just nvidia corporation device (no chip or whatsoever not even with driver installed). i went through checks found here toward the end: http://www.binarytides.com/install-n...-ubuntu-14-04/
obviously i can't make the opengl one in CLI, but the rest seem kidn of Ok except for the chip - still only a device

the issue is that the card can not be initialised it seems. however why this happens remains a mistery to me. could it be that something is wrong with the card?

oh and the drivers via PPA should work and update along with kernel. basically they patch the kernel and use the dkms to update upon kernel update.

xorg logs say that the nvidia GPU can not be initialised and that there is no screens available (and this is displayed on the screen). various errors i found - i tried to google them but most advice is purge and reinstall. not helping at all.

i spent 9 hours on this and i think i will just return the card. it shouldn't be so hard to do install a GPU... and the most it upsets me because there is no information of why it doesn't work or what is wrong. i mean saying you can't initialise the GPU means nothing to me. i can already see it is not working. i would need to know why not. somethign in driver? something wrong with the GPU?

edit: somthing frtm syslog - not sure if it's normal or not.:

Mar 21 09:54:02 tatie-desktop kernel: [   18.615933] nvidia: module license 'NVIDIA' taints kernel.
Mar 21 09:54:02 tatie-desktop kernel: [   18.615938] Disabling lock debugging due to kernel taint
Mar 21 09:54:02 tatie-desktop kernel: [   18.631035] nvidia: module verification failed: signature and/or  required key missing - tainting kernel
Mar 21 09:54:02 tatie-desktop ModemManager[727]: <info>  ModemManager (version 1.0.0) starting...
Mar 21 09:54:03 tatie-desktop kernel: [   19.296016] hda-intel 0000:02:00.1: Codec #1 probe error; disabling it...
Mar 21 09:54:03 tatie-desktop nvidia-persistenced: Started (797)
Mar 21 09:54:03 tatie-desktop nvidia-persistenced: Failed to query NVIDIA devices. Please ensure that the NVIDIA device files (/dev/nvidia*) exist, and that user 121 has read and write permissions for those files.
Mar 21 09:54:03 tatie-desktop nvidia-persistenced: The daemon no longer has permission to remove its runtime data directory /var/run/nvidia-persistenced
Mar 21 09:54:03 tatie-desktop nvidia-persistenced: Shutdown (797)

found another interesting log thing:

Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: API mismatch: the client has the version 340.76, but
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: this kernel module has the version 331.113.  Please
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: make sure that this kernel module and all NVIDIA driver
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: components have the same version.
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815579] NVRM: nvidia_frontend_ioctl: minor 255, module->ioctl failed, error -22
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.825490] NVRM: API mismatch: the client has the version 340.76, but
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.825490] NVRM: this kernel module has the version 331.113.  Please
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.825490] NVRM: make sure that this kernel module and all NVIDIA driver
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.825490] NVRM: components have the same version.
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.825499] NVRM: nvidia_frontend_ioctl: minor 255, module->ioctl failed, error -22

alos why do i have jockey log (from last year when it was still active). i did not have nvidia card back then. interesting.

[mastablasta]

BUMP! serioulsy? no one knows why the blank screen?? or how to propperly troubleshoot this?

[Keith_Helms]

Those log messages sure look like you've got both the 331 and 340 drivers installed, or at least pieces of both. Why don't you try deleting all nvidia drivers with "sudo apt-get purge nvidia*" and then try to reinstall either 331 from the repository or 340 from xorg-edgers.

What gpu were you using before installing the Nvidia card? Onboard graphics? If so, did you disable it in the BIOS after putting in the new card?

What does "sudo lshw -C video" show?

[tokyobadger]

Mar 21 09:54:03 tatie-desktop nvidia-persistenced: The daemon no longer has permission to remove its runtime data directory /var/run/nvidia-persistenced

You've been hit by the persistenced issue - in the older driver versions (at least on Ubuntu and up to the 343 series if I remember correctly) updating the drivers did not handle the stopping and updating of nvidia-persistenced properly.

That's why you're getting the following error about API mismatch:

Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: API mismatch: the client has the version 340.76, but
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: this kernel module has the version 331.113.  Please
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: make sure that this kernel module and all NVIDIA driver
Mar 21 14:24:29 tatie-desktop kernel: [ 1494.815570] NVRM: components have the same version.

Try the following:

ps ax | grep persistenced
sudo kill <persistenced process number goes here>
sudo apt-get purge nvidia* && sudo apt-get install nvidia-340

Why not try nvidia-346 instead of 340?
more detailed steps in this thread plus a compiz workaround if you need it

[mastablasta]

@tokyobadger
does "perstistenced issue" mean part of drivers remain while the yhsould have been purged?

ok now you made me want to have another try. my biggest problem is finding what error messages exactly mean. I tried so many options so I might try another one. yes I agree 346 would maybe be better. or in fact I see there is newer driver on their website. I downloaded manual install version to maybe have a go.

Those log messages sure look like you've got both the 331 and 340 drivers installed, or at least pieces of both. Why don't you try deleting all nvidia drivers with "sudo apt-get purge nvidia*" and then try to reinstall either 331 from the repository or 340 from xorg-edgers.

I ran sudo apt-get remove --purge nvidia-*
then
sudo apt get autoremove

What gpu were you using before installing the Nvidia card? Onboard graphics? If so, did you disable it in the BIOS after putting in the new card?

Board has two slots AGP and PCIe. I was using AGP ATI Radeon 9600 XT 256 MB. I then set PCIe as primary GPU device and took out the AGP card before inserting the NVidia.

What does "sudo lshw -C video" show?

this is now from my memory since I placed the AGP card back in so we can get at least some work done on that PC.
but it was saying NVidia corporation device, driver in use was NVidia. as I recall it did not recognise the chip. now if there really is residual trace from NVidia 331 that would make sense since 331 does not yet support this card.

so I am giving this another try it seems. if not I might need help getting the Radeon HD 3650 to work nicely in Linux, cause as I remember, I had to use nomodeset to boot into live session on 14.04, but I donwloaded (14.04.4 [is it .4?!] 14.10 and 15.04beta to see if newer kernels correct this issue). I love kubuntu, the desktop and the apps, but these hardware issues are so exhausting.

otherwise what I use now the 10+ year old radeon 9600 works great for youtube and such desktop stuff, but as soon as you throw an OpenGL game at it, it crashes the whole system. and it appears it is not CPU overheating because immediate reboot after crash showed a higher but still cosy temp of 43C. easiest way to crash is Wolfenstein: Enemy territory - select flamethrower, let is rip. it crashes after about 20-30 seconds. jDoom take s a bit longer but crashes nonethe less. in supertux cart it takes about 1/4 -1/2 of the track before it all freezes...

[tokyobadger]

@tokyobadger
does "perstistenced issue" mean part of drivers remain while the yhsould have been purged?

yes - previous versions of nvidia-persistence would not get removed during an upgrade because the daemon persistenced was not getting stopped - to successfully fix your situation you need to stop the persistenced process (autostarts at boot) which is part of nvidia-331 package, before you can install any other nvidia driver version - apt-get purge nvidia* will not do it, you must identify the process ID (number) and kill it as sudo

[oldfred]

Besides purging all traces of any older nVidia driver before installing a new one, you may need to create a new xorg file which the install will do, but it may not overwrite the old one.

sudo mv /etc/X11/xorg.conf /etc/X11/xorg/conf.old

The main disadvantage of installing directly from nVidia is that every new kernel update requires manual update to use the nVidia driver. IF from Ubuntu repository or even ppa then dpkg includes that update in the kernel update.


Lists installed version, in/with your kernel:
dkms status

[mastablasta]

yeah.... it didn't work at all. blank screen. had to battle over one hour just to get to the command line. i tried to attach the TV - also got a blank screen.

i only got line with this no nvidia in the line:
0:00 grep --color=auto persistenced

some highlights

Mar 23 17:41:21 tatie-desktop kernel: [   31.005799] NVRM: RmInitAdapter failed! (0x26:0x65:1292)
Mar 23 17:41:21 tatie-desktop kernel: [   31.005814] NVRM: rm_init_adapter failed for device bearing minor number 0
Mar 23 17:41:21 tatie-desktop kernel: [   31.005847] NVRM: nvidia_frontend_open: minor 0, module->open() failed, error -5



Mar 23 17:41:21 tatie-desktop kernel: [   31.005814] NVRM: rm_init_adapter failed for device bearing minor number 0
Mar 23 17:41:21 tatie-desktop kernel: [   31.005847] NVRM: nvidia_frontend_open: minor 0, module->open() failed, error -5
Mar 23 17:41:22 tatie-desktop kernel: [   31.846175] init: plymouth-upstart-bridge main process ended, respawning
Mar 23 17:41:22 tatie-desktop nvidia-persistenced: Failed to unlink socket: No such file or directory
Mar 23 17:41:22 tatie-desktop nvidia-persistenced: Failed to unlink PID file: No such file or directory
Mar 23 17:41:22 tatie-desktop nvidia-persistenced: Shutdown (1407)
Mar 23 17:41:22 tatie-desktop kernel: [   31.991914] nvidia 0000:02:00.0: irq 65 for MSI/MSI-X
Mar 23 17:41:22 tatie-desktop nvidia-persistenced: Started (1715)
Mar 23 17:41:30 tatie-desktop NetworkManager[830]: <info> (eth0): IP6 addrconf timed out or failed.
Mar 23 17:41:30 tatie-desktop NetworkManager[830]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) scheduled...
Mar 23 17:41:30 tatie-desktop NetworkManager[830]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) started...
Mar 23 17:41:30 tatie-desktop NetworkManager[830]: <info> Activation (eth0) Stage 4 of 5 (IPv6 Configure Timeout) complete.

Xorg

[    31.941] 
X.Org X Server 1.15.1
Release Date: 2014-04-13
[    31.941] X Protocol Version 11, Revision 0
[    31.941] Build Operating System: Linux 3.2.0-75-generic i686 Ubuntu
[    31.941] Current Operating System: Linux tatie-desktop 3.13.0-46-generic #79-Ubuntu SMP Tue Mar 10 20:08:14 UTC 2015 i686
[    31.941] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-46-generic root=UUID=3f43c7a8-003b-4564-9f0d-a7a4c0393e06 ro quiet splash xforcevesa
[    31.941] Build Date: 12 February 2015  02:49:46PM
[    31.941] xorg-server 2:1.15.1-0ubuntu2.7 (For technical support please see http://www.ubuntu.com/support) 
[    31.941] Current version of pixman: 0.30.2
[    31.941]     Before reporting problems, check http://wiki.x.org
    to make sure that you have the latest version.
[    31.941] Markers: (--) probed, (**) from config file, (==) default setting,
    (++) from command line, (!!) notice, (II) informational,
    (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    31.941] (==) Log file: "/var/log/Xorg.0.log", Time: Mon Mar 23 17:41:22 2015
[    31.941] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    31.942] (==) No Layout section.  Using the first Screen section.
[    31.942] (==) No screen section available. Using defaults.
[    31.942] (**) |-->Screen "Default Screen Section" (0)
[    31.942] (**) |   |-->Monitor "<default monitor>"
[    31.942] (==) No monitor specified for screen "Default Screen Section".
    Using a default monitor configuration.
[    31.942] (==) Automatically adding devices
[    31.942] (==) Automatically enabling devices
[    31.942] (==) Automatically adding GPU devices
[    31.942] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[    31.942]     Entry deleted from font path.
[    31.942] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[    31.942]     Entry deleted from font path.
[    31.942] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[    31.942]     Entry deleted from font path.
[    31.942] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[    31.942]     Entry deleted from font path.
[    31.942] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[    31.942]     Entry deleted from font path.
[    31.942] (==) FontPath set to:
    /usr/share/fonts/X11/misc,
    /usr/share/fonts/X11/Type1,
    built-ins
[    31.942] (==) ModulePath set to "/usr/lib/i386-linux-gnu/xorg/extra-modules,/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules"
[    31.942] (II) The server relies on udev to provide the list of input devices.
    If no devices become available, reconfigure udev or disable AutoAddDevices.
[    31.942] (II) Loader magic: 0xb779a6c0
[    31.942] (II) Module ABI versions:
[    31.942]     X.Org ANSI C Emulation: 0.4
[    31.942]     X.Org Video Driver: 15.0
[    31.942]     X.Org XInput driver : 20.0
[    31.942]     X.Org Server Extension : 8.0
[    31.942] (II) xfree86: Adding drm device (/dev/dri/card0)
[    31.944] (--) PCI:*(0:2:0:0) 10de:0f02:1462:8a9f rev 161, Mem @ 0xfd000000/16777216, 0xf0000000/134217728, 0xfa000000/33554432, I/O @ 0x0000ec00/128, BIOS @ 0x????????/524288
[    31.944] Initializing built-in extension Generic Event Extension
[    31.944] Initializing built-in extension SHAPE
[    31.944] Initializing built-in extension MIT-SHM
[    31.944] Initializing built-in extension XInputExtension
[    31.944] Initializing built-in extension XTEST
[    31.944] Initializing built-in extension BIG-REQUESTS
[    31.944] Initializing built-in extension SYNC
[    31.944] Initializing built-in extension XKEYBOARD
[    31.944] Initializing built-in extension XC-MISC
[    31.944] Initializing built-in extension SECURITY
[    31.944] Initializing built-in extension XINERAMA
[    31.944] Initializing built-in extension XFIXES
[    31.944] Initializing built-in extension RENDER
[    31.944] Initializing built-in extension RANDR
[    31.944] Initializing built-in extension COMPOSITE
[    31.944] Initializing built-in extension DAMAGE
[    31.944] Initializing built-in extension MIT-SCREEN-SAVER
[    31.944] Initializing built-in extension DOUBLE-BUFFER
[    31.944] Initializing built-in extension RECORD
[    31.944] Initializing built-in extension DPMS
[    31.944] Initializing built-in extension Present
[    31.944] Initializing built-in extension DRI3
[    31.944] Initializing built-in extension X-Resource
[    31.944] Initializing built-in extension XVideo
[    31.944] Initializing built-in extension XVideo-MotionCompensation
[    31.944] Initializing built-in extension SELinux
[    31.944] Initializing built-in extension XFree86-VidModeExtension
[    31.944] Initializing built-in extension XFree86-DGA
[    31.944] Initializing built-in extension XFree86-DRI
[    31.944] Initializing built-in extension DRI2
[    31.944] (WW) "glamoregl" will not be loaded unless you've specified it to be loaded elsewhere.
[    31.944] (II) "glx" will be loaded by default.
[    31.944] (WW) "xmir" is not to be loaded by default. Skipping.
[    31.944] (II) LoadModule: "glx"
[    31.944] (II) Loading /usr/lib/i386-linux-gnu/xorg/extra-modules/libglx.so
[    31.982] (II) Module glx: vendor="NVIDIA Corporation"
[    31.983]     compiled for 4.0.2, module version = 1.0.0
[    31.983]     Module class: X.Org Server Extension
[    31.983] (II) NVIDIA GLX Module  346.47  Thu Feb 19 18:14:56 PST 2015
[    31.983] Loading extension GLX
[    31.983] (==) Matched nvidia as autoconfigured driver 0
[    31.983] (==) Matched nouveau as autoconfigured driver 1
[    31.983] (==) Matched nvidia as autoconfigured driver 2
[    31.983] (==) Matched nouveau as autoconfigured driver 3
[    31.983] (==) Matched modesetting as autoconfigured driver 4
[    31.983] (==) Matched fbdev as autoconfigured driver 5
[    31.983] (==) Matched vesa as autoconfigured driver 6
[    31.983] (==) Assigned the driver to the xf86ConfigLayout
[    31.983] (II) LoadModule: "nvidia"
[    31.983] (II) Loading /usr/lib/i386-linux-gnu/xorg/extra-modules/nvidia_drv.so
[    31.983] (II) Module nvidia: vendor="NVIDIA Corporation"
[    31.983]     compiled for 4.0.2, module version = 1.0.0
[    31.983]     Module class: X.Org Video Driver
[    31.983] (II) LoadModule: "nouveau"
[    31.984] (II) Loading /usr/lib/xorg/modules/drivers/nouveau_drv.so
[    31.984] (II) Module nouveau: vendor="X.Org Foundation"
[    31.984]     compiled for 1.15.0, module version = 1.0.10
[    31.984]     Module class: X.Org Video Driver
[    31.984]     ABI class: X.Org Video Driver, version 15.0
[    31.984] (II) LoadModule: "modesetting"
[    31.984] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[    31.984] (II) Module modesetting: vendor="X.Org Foundation"
[    31.984]     compiled for 1.15.0, module version = 0.8.1
[    31.984]     Module class: X.Org Video Driver
[    31.984]     ABI class: X.Org Video Driver, version 15.0
[    31.984] (II) LoadModule: "fbdev"
[    31.984] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[    31.985] (II) Module fbdev: vendor="X.Org Foundation"
[    31.985]     compiled for 1.15.0, module version = 0.4.4
[    31.985]     Module class: X.Org Video Driver
[    31.985]     ABI class: X.Org Video Driver, version 15.0
[    31.985] (II) LoadModule: "vesa"
[    31.985] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[    31.985] (II) Module vesa: vendor="X.Org Foundation"
[    31.985]     compiled for 1.15.0, module version = 2.3.3
[    31.985]     Module class: X.Org Video Driver
[    31.985]     ABI class: X.Org Video Driver, version 15.0
[    31.985] (II) NVIDIA dlloader X Driver  346.47  Thu Feb 19 17:51:09 PST 2015
[    31.985] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
[    31.985] (II) NOUVEAU driver Date:   Thu Nov 7 14:56:48 2013 +1000
[    31.985] (II) NOUVEAU driver for NVIDIA chipset families :
[    31.985]     RIVA TNT        (NV04)
[    31.985]     RIVA TNT2       (NV05)
[    31.985]     GeForce 256     (NV10)
[    31.985]     GeForce 2       (NV11, NV15)
[    31.985]     GeForce 4MX     (NV17, NV18)
[    31.985]     GeForce 3       (NV20)
[    31.985]     GeForce 4Ti     (NV25, NV28)
[    31.985]     GeForce FX      (NV3x)
[    31.985]     GeForce 6       (NV4x)
[    31.985]     GeForce 7       (G7x)
[    31.985]     GeForce 8       (G8x)
[    31.985]     GeForce GTX 200 (NVA0)
[    31.985]     GeForce GTX 400 (NVC0)
[    31.985] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[    31.985] (II) FBDEV: driver for framebuffer: fbdev
[    31.985] (II) VESA: driver for VESA chipsets: vesa
[    31.985] (++) using VT number 7

[    31.989] (II) Loading sub module "fb"
[    31.989] (II) LoadModule: "fb"
[    31.989] (II) Loading /usr/lib/xorg/modules/libfb.so
[    31.989] (II) Module fb: vendor="X.Org Foundation"
[    31.989]     compiled for 1.15.1, module version = 1.0.0
[    31.989]     ABI class: X.Org ANSI C Emulation, version 0.4
[    31.989] (II) Loading sub module "wfb"
[    31.989] (II) LoadModule: "wfb"
[    31.989] (II) Loading /usr/lib/xorg/modules/libwfb.so
[    31.990] (II) Module wfb: vendor="X.Org Foundation"
[    31.990]     compiled for 1.15.1, module version = 1.0.0
[    31.990]     ABI class: X.Org ANSI C Emulation, version 0.4
[    31.990] (II) Loading sub module "ramdac"
[    31.990] (II) LoadModule: "ramdac"
[    31.990] (II) Module "ramdac" already built-in
[    31.990] (WW) Falling back to old probe method for modesetting
[    31.990] (WW) Falling back to old probe method for fbdev
[    31.990] (II) Loading sub module "fbdevhw"
[    31.990] (II) LoadModule: "fbdevhw"
[    31.991] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[    31.991] (II) Module fbdevhw: vendor="X.Org Foundation"
[    31.991]     compiled for 1.15.1, module version = 0.0.2
[    31.991]     ABI class: X.Org Video Driver, version 15.0
[    31.991] (EE) open /dev/fb0: No such file or directory
[    31.991] (WW) Falling back to old probe method for vesa
[    31.991] (II) NVIDIA(0): Creating default Display subsection in Screen section
    "Default Screen Section" for depth/fbbpp 24/32
[    31.991] (==) NVIDIA(0): Depth 24, (==) framebuffer bpp 32
[    31.991] (==) NVIDIA(0): RGB weight 888
[    31.991] (==) NVIDIA(0): Default visual is TrueColor
[    31.991] (==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
[    31.991] (**) NVIDIA(0): Enabling 2D acceleration
[    44.090] (EE) NVIDIA(GPU-0): Failed to initialize the NVIDIA GPU at PCI:2:0:0.  Please
[    44.091] (EE) NVIDIA(GPU-0):     check your system's kernel log for additional error
[    44.091] (EE) NVIDIA(GPU-0):     messages and refer to Chapter 8: Common Problems in the
[    44.091] (EE) NVIDIA(GPU-0):     README for additional information.
[    44.091] (EE) NVIDIA(GPU-0): Failed to initialize the NVIDIA graphics device!
[    44.091] (EE) NVIDIA(0): Failing initialization of X screen 0
[    44.091] (II) UnloadModule: "nvidia"
[    44.091] (II) UnloadSubModule: "wfb"
[    44.091] (II) UnloadSubModule: "fb"
[    44.091] (EE) Screen(s) found, but none have a usable configuration.
[    44.091] (EE) 
Fatal server error:
[    44.091] (EE) no screens found(EE) 
[    44.091] (EE) 
Please consult the The X.Org Foundation support 
     at http://wiki.x.org
 for help. 
[    44.091] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[    44.091] (EE) 
[    44.092] (EE) Server terminated with error (1). Closing log file.

dmesg:

[   17.202354] nvidia: module license 'NVIDIA' taints kernel.
[   17.202360] Disabling lock debugging due to kernel taint
[   17.202563] type=1400 audit(1427128356.681:5): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/sbin/dhclient" pid=545 comm="apparmor_parser"
[   17.202573] type=1400 audit(1427128356.681:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=545 comm="apparmor_parser"
[   17.202578] type=1400 audit(1427128356.681:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=545 comm="apparmor_parser"
[   17.203129] type=1400 audit(1427128356.681:8): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=545 comm="apparmor_parser"
[   17.203140] type=1400 audit(1427128356.681:9): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=545 comm="apparmor_parser"
[   17.203395] type=1400 audit(1427128356.681:10): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/usr/lib/connman/scripts/dhclient-script" pid=545 comm="apparmor_parser"
[   17.260930] nvidia: module verification failed: signature and/or  required key missing - tainting kernel
[   17.322014] init: cups main process (522) killed by HUP signal
[   17.322031] init: cups main process ended, respawning
[   18.032363] init: failsafe main process (602) killed by TERM signal
[   18.176030] hda-intel 0000:02:00.1: Codec #0 probe error; disabling it...
[   18.390524] type=1400 audit(1427128357.869:11): apparmor="STATUS" operation="profile_replace" profile="unconfined" name="/sbin/dhclient" pid=771 comm="apparmor_parser"
[   19.188032] hda-intel 0000:02:00.1: Codec #1 probe error; disabling it...

following the advice and going to nvidia chapter 8: common problems i found this:

My X server fails to start, and my X log file contains the error: (EE) NVIDIA(0): The NVIDIA kernel module does not appear to (EE) NVIDIA(0): be receiving interrupts generated by the NVIDIA graphics (EE) NVIDIA(0): device PCI. Please see the COMMON PROBLEMS (EE) NVIDIA(0): section in the README for additional information.

This can be caused by a variety of problems, such as PCI IRQ routing errors, I/O APIC problems or conflicts with other devices sharing the IRQ (or their drivers). If possible, configure your system such that your graphics card does not share its IRQ with other devices (try moving the graphics card to another slot if applicable, unload/disable the driver(s) for the device(s) sharing the card's IRQ, or remove/disable the device(s)). Depending on the nature of the problem, one of (or a combination of) these kernel parameters might also help: Parameter Behavior pci=noacpi don't use ACPI for PCI IRQ routing pci=biosirq use PCI BIOS calls to retrieve the IRQ routing table noapic don't use I/O APICs present in the system acpi=off disable ACPI

however i am terrified of using this now as it is difficult to get back to CLI (obviously i can get to recovery mode but there i am root and disk is not mounted). thee ris no guarantee any of these will work. Also i am not sure why it would suddenly be an IRQ issue as it doesn't say this in any messgae. it could be just another false lead.

"Depending on the nature of the problem" and what is the nature of the problem? where is it defined?

edit: how do i remove nvidia drivers from recovery console?