NVIDIA/Troubleshooting

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Corrupted screen: "Six screens" Problem

For some users, using GeForce GT 100M's, the screen gets corrupted after X starts, divided into 6 sections with a resolution limited to 640x480. The same problem has been recently reported with Quadro 2000 and hi-res displays.

To solve this problem, enable the Validation Mode NoTotalSizeCheck in section Device:

Section "Device"
 ...
 Option "ModeValidation" "NoTotalSizeCheck"
 ...
EndSection

'/dev/nvidia0' input/output error

Tango-inaccurate.pngThe factual accuracy of this article or section is disputed.Tango-inaccurate.png

Reason: Verify that the BIOS related suggestions work and are not coincidentally set while troubleshooting. (Discuss in Talk:NVIDIA/Troubleshooting#'/dev/nvidia0' Input/Output error... suggested fixes)

This error can occur for several different reasons, and the most common solution given for this error is to check for group/file permissions, which in almost every case is not the problem. The NVIDIA documentation does not talk in detail on what you should do to correct this problem but there are a few things that have worked for some people. The problem can be a IRQ conflict with another device or bad routing by either the kernel or your BIOS.

First thing to try is to remove other video devices such as video capture cards and see if the problem goes away. If there are too many video processors on the same system it can lead into the kernel being unable to start them because of memory allocation problems with the video controller. In particular on systems with low video memory this can occur even if there is only one video processor. In such case you should find out the amount of your system's video memory (e.g. with lspci -v) and pass allocation parameters to the kernel, e.g. for a 32-bit kernel:

vmalloc=384M

If running a 64bit kernel, a driver defect can cause the NVIDIA module to fail initializing when IOMMU is on. Turning it off in the BIOS has been confirmed to work for some users. [1]User:Clickthem#nvidia module

Another thing to try is to change your BIOS IRQ routing from Operating system controlled to BIOS controlled or the other way around. The first one can be passed as a kernel parameter:

PCI=biosirq

The noacpi kernel parameter has also been suggested as a solution but since it disables ACPI completely it should be used with caution. Some hardware are easily damaged by overheating.

Note: The kernel parameters can be passed either through the kernel command line or the bootloader configuration file. See your bootloader Wiki page for more information.

Crashing in general

  • Try disabling RenderAccel in xorg.conf.
  • If Xorg outputs an error about "conflicting memory type" or "failed to allocate primary buffer: out of memory", or crashes with a "Signal 11" while using nvidia-96xx drivers, add nopat to your kernel parameters.
  • If the NVIDIA compiler complains about different versions of GCC between the current one and the one used for compiling the kernel, add in /etc/profile:
export IGNORE_CC_MISMATCH=1
  • If Xorg is crashing , try disabling PAT. Pass the argument nopat to kernel parameters.

More information about troubleshooting the driver can be found in the NVIDIA forums.

Bad performance after installing a new driver version

If FPS have dropped in comparison with older drivers, check if direct rendering is enabled (glxinfo is included in mesa-utils):

$ glxinfo | grep direct

If the command prints:

direct rendering: No

A possible solution could be to regress to the previously installed driver version and rebooting afterwards.

Avoid screen tearing

Note: This has been reported to reduce the performance of some OpenGL applications and may produce issues in WebGL. It also drastically increases the time the driver needs to clock down after load (Nvidia-Support-Thread).

Tearing can be avoided by forcing a full composition pipeline, regardless of the compositor you are using. To test whether this option will work, run:

$ nvidia-settings --assign CurrentMetaMode="nvidia-auto-select +0+0 { ForceFullCompositionPipeline = On }"

Or click on the Advanced button that is available on the X Server Display Configuration menu option. Select either Force Composition Pipeline or Force Full Composition Pipeline and click on Apply.

In order to make the change permanent, it must be added to the "Screen" section of the Xorg configuration file. When making this change, TripleBuffering should be enabled and AllowIndirectGLXProtocol should be disabled in the driver configuration as well. See example configuration below:

/etc/X11/xorg.conf.d/20-nvidia.conf
Section "Device"
        Identifier "Nvidia Card"
        Driver     "nvidia"
        VendorName "NVIDIA Corporation"
        BoardName  "GeForce GTX 1050 Ti"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    Option         "MetaModes" "nvidia-auto-select +0+0 {ForceFullCompositionPipeline=On}"
    Option         "AllowIndirectGLXProtocol" "off"
    Option         "TripleBuffer" "on"
EndSection

If you do not have an Xorg configuration file, you can create one for your present hardware using nvidia-xconfig (see NVIDIA#Automatic configuration) and move it from /etc/X11/xorg.conf to the preferred location /etc/X11/xorg.conf.d/20-nvidia.conf.

Note: Many of the configuration options produced in 20-nvidia.conf by using nvidia-xconfig are set automatically by the driver and are not needed. To only use this file for enabling composition pipeline, only the section "Screen" containing lines with values for Identifier and Option are necessary. Other sections may be removed from this file.

Multi-monitor

For multi-monitor setup you will need to specify ForceCompositionPipeline=On for each display. For example:

$ nvidia-settings --assign CurrentMetaMode="DP-2: nvidia-auto-select +0+0 {ForceCompositionPipeline=On}, DP-4: nvidia-auto-select +3840+0 {ForceCompositionPipeline=On}"

Without doing this, the nvidia-settings command will disable your secondary display.

You can get the current screen names and offsets using --query:

$ nvidia-settings --query CurrentMetaMode

The above line is for two 3840x2160 monitors connected to DP-2 and DP-4. You will need to read the correct CurrentMetaMode by exporting xorg.conf and append ForceCompositionPipeline to each of your displays. Setting ForceCompositionPipeline only affects the targeted display.

Tip: Multi monitor setups using different model monitors may have slightly different refresh rates. If vsync is enabled by the driver it will sync to only one of these refresh rates which can cause the appearance of screen tearing on incorrectly synced monitors. Select to sync the display device which is the primarily used monitor as others will not sync properly. This is configurable in ~/.nvidia-settings-rc as 0/XVideoSyncToDisplayID= or by installing nvidia-settings and using the graphical configuration options.

Avoid screen tearing in KDE (KWin)

The problem is caused by incorrect assumption by the KDE devs about the behaviour of glXSwapBuffers and should be fixed in Plasma 5.12, Plasma 5.15, Plasma 5.16 [2]. Additionally, NVIDIA#DRM kernel mode setting may be required.

Legacy solutions

For posterity, these are the legacy workarounds. Do not apply both workarounds because this may lead to high CPU load [3].

1. GL threads

Set GL threads to sleep by exporting __GL_YIELD="USLEEP" to just kwin_x11. Unlike setting up a global environment variable, this affects only KWin. It should also have the advantage over other workarounds, like forcing triple buffering or forcing composition pipeline in the driver, that it does not introduce additional stuttering when scrolling in Firefox or moving windows.

The script can be executed automatically at login with an autostart script:

~/.config/autostart-scripts/kwin.sh
#!/bin/bash

(sleep 2s && __GL_YIELD="USLEEP" kwin_x11 --replace)

Flag the script as executable.

The sleep argument helps to prevent issues when KWin is restarted/hanging after logging in, you might need to increase this time.

2. Use TripleBuffering

Make sure TripleBuffering has been enabled for the driver, see #Avoid screen tearing.

Create the /etc/profile.d/kwin.sh file:

/etc/profile.d/kwin.sh
export KWIN_TRIPLE_BUFFER=1

Use OpenGL 2.0 or later as rendering backend under System Settings > Display and Monitor > Compositor.

Modprobe Error: "Could not insert 'nvidia': No such device" on linux >=4.8

With linux 4.8, one can get the following errors when trying to use the discrete card:

$ modprobe nvidia -vv
modprobe: INFO: custom logging function 0x409c10 registered
modprobe: INFO: Failed to insert module '/lib/modules/4.8.6-1-ARCH/extramodules/nvidia.ko.gz': No such device
modprobe: ERROR: could not insert 'nvidia': No such device
modprobe: INFO: context 0x24481e0 released
insmod /lib/modules/4.8.6-1-ARCH/extramodules/nvidia.ko.gz 
# dmesg
...
NVRM: The NVIDIA GPU 0000:01:00.0 (PCI ID: 10de:139b)
NVRM: installed in this system is not supported by the 370.28
NVRM: NVIDIA Linux driver release.  Please see 'Appendix
NVRM: A - Supported NVIDIA GPU Products' in this release's
NVRM: README, available on the Linux driver download page
NVRM: at www.nvidia.com.
...

This problem is caused by bad commits pertaining to PCIe power management in the Linux Kernel (as documented in this NVIDIA DevTalk thread).

The workaround is to add pcie_port_pm=off to your kernel parameters. Note that this disables PCIe power management for all devices.

Screen corruption after resuming from suspend

The nvidia driver normally only saves essential video allocations on suspend and hibernate. The resulting loss of video memory contents can lead to failures such as rendering corruption and application crashes upon exit from power management cycles. To save and restore all video memory contents, nvidia kernel module can be loaded NVreg_PreserveVideoMemoryAllocations=1 option and enable nvidia-suspend.service. [4]

Warning: The video memory contents are saved to /tmp, which is of type tmpfs. If the size is not sufficient for the amount of memory, point to a different location with the NVreg_TemporaryFilePath option, e.g. NVreg_TemporaryFilePath=/var/tmp.

CPU spikes with 400 series cards

If you are experiencing intermittent CPU spikes with a 400 series card, it may be caused by PowerMizer constantly changing the GPU's clock frequency. Switching PowerMizer's setting from Adaptive to Performance, add the following to the Device section of your Xorg configuration:

 Option "RegistryDwords" "PowerMizerEnable=0x1; PerfLevelSrc=0x3322; PowerMizerDefaultAC=0x1"

Full system freeze or crashes when using Flash

If you experience occasional full system freezes using Flash, a possible workaround is to disable Hardware Acceleration:

/etc/adobe/mms.cfg
EnableLinuxHWVideoDecode=0

Or, if you want to keep Hardware acceleration enabled but allowing a higher chance of screen tearing, you may try to before starting a browser:

export VDPAU_NVIDIA_NO_OVERLAY=1

Laptops: X hangs on login/out, worked around with Ctrl+Alt+Backspace

If, while using the legacy NVIDIA drivers, Xorg hangs on login and logout (particularly with an odd screen split into two black and white/gray pieces), but logging in is still possible via Ctrl+Alt+Backspace (or whatever the new "kill X" key binding is), try adding this in /etc/modprobe.d/modprobe.conf:

options nvidia NVreg_Mobile=1

One user had luck with this instead, but it makes performance drop significantly for others:

options nvidia NVreg_DeviceFileUID=0 NVreg_DeviceFileGID=33 NVreg_DeviceFileMode=0660 NVreg_SoftEDIDs=0 NVreg_Mobile=1

Note that NVreg_Mobile needs to be changed according to the laptop:

  • 1 for Dell laptops.
  • 2 for non-Compal Toshiba laptops.
  • 3 for other laptops.
  • 4 for Compal Toshiba laptops.
  • 5 for Gateway laptops.

See NVIDIA Driver's README: Appendix K for more information.

Screen(s) found, but none have a usable configuration

Sometimes NVIDIA and X have trouble finding the active screen. If your graphics card has multiple outputs try plugging your monitor into the other ones. On a laptop it may be because your graphics card has VGA/TV out. Xorg.0.log will provide more info.

Another thing to try is adding invalid "ConnectedMonitor" Option to Section "Device" to force Xorg throws error and shows you how correct it. Here more about ConnectedMonitor setting.

After re-run X see Xorg.0.log to get valid CRT-x,DFP-x,TV-x values.

nvidia-xconfig --query-gpu-info could be helpful.

Blackscreen at X startup / Machine poweroff at X shutdown

If you have installed an update of Nvidia and your screen stays black after launching Xorg, or if shutting down Xorg causes a machine poweroff, try the below workarounds:

  • Prepend "xrandr --auto" to your xinitrc
  • You can also try to add the nvidia module directly to your mkinitcpio config file.
  • If the screen still stays black with both the rcutree.rcu_idle_gp_delay=1 kernel parameter and the nvidia module directly in the mkinitcpio config file, try re-installing nvidia and nvidia-utils in that order, and finally reload the driver:
# modprobe nvidia

Backlight is not turning off in some occasions

By default, DPMS should turn off backlight with the timeouts set or by running xset. However, probably due to a bug in the proprietary Nvidia drivers the result is a blank screen with no powersaving whatsoever. To workaround it, until the bug has been fixed you can use the vbetool as root.

Install the vbetool package.

Turn off your screen on demand and then by pressing a random key backlight turns on again:

vbetool dpms off && read -n1; vbetool dpms on

Alternatively, xrandr is able to disable and re-enable monitor outputs without requiring root.

xrandr --output DP-1 --off; read -n1; xrandr --output DP-1 --auto

Driver 415: HardDPMS

Tango-view-fullscreen.pngThis article or section needs expansion.Tango-view-fullscreen.png

Reason: Add references for the "user reports". (Discuss in Talk:NVIDIA/Troubleshooting)

Proprietary driver 415 includes a new feature called HardDPMS. This is reported by some users to solve the issues with suspending monitors connected over DisplayPort. It is reported to become the default in a future driver version, but for now, the HardDPMS option can be set in the Device or Screen sections. For example:

/etc/X11/xorg.conf.d/20-nvidia.conf
Section "Device"
    ...
    Option         "HardDPMS" "true"    
    ...
EndSection

Section "Screen"
    ...
    Option         "HardDPMS" "true"
    ...
EndSection

HardDPMS will trigger on screensaver settings like BlankTime. The following ServerFlags will set your monitor(s) to suspend after 10 minutes of inactivity:

/etc/X11/xorg.conf.d/20-nvidia.conf
Section "ServerFlags"
    Option     "BlankTime" "10"
EndSection

Xorg fails to load or Red Screen of Death

If you get a red screen and use GRUB, disable the GRUB framebuffer by editing /etc/default/grub and uncomment GRUB_TERMINAL_OUTPUT=console. For more information see GRUB/Tips and tricks#Disable framebuffer.

Black screen on systems with Intel integrated GPU

If you have an Intel CPU with an integrated GPU (e.g. Intel HD 4000) and have installed the nvidia package, you may experience a black screen on boot, when changing virtual terminal, or when exiting an X session. This may be caused by a conflict between the graphics modules. This is solved by blacklisting the Intel GPU modules. Create the file /etc/modprobe.d/blacklist.conf and prevent the i915 and intel_agp modules from loading on boot:

/etc/modprobe.d/blacklist.conf
install i915 /usr/bin/false
install intel_agp /usr/bin/false

No audio over HDMI

Sometimes nvidia HDMI audio devices are not shown when you do

aplay -l

For whatever reason on some new machines, the audio chip on the nvidia GPU is disabled at boot. Read more here and here

You need to reload the nvidia device with audio enabled. In order to do that make sure that your GPU is on (in case of laptops/Bumblebee) and that you are not running X on it, because it's going to reset:

# setpci -s 01:00.0 0x488.l=0x2000000:0x2000000
# rmmod nvidia-drm nvidia-modeset nvidia
# echo 1 > /sys/bus/pci/devices/0000:01:00.0/remove
# echo 1 > /sys/bus/pci/devices/0000:00:01.0/rescan
# modprobe nvidia-drm
# xinit -- -retro

If you are running your TTY on nvidia, put the lines in a script so you do not end up with no screen.

Black screen on systems with VIA integrated GPU

As above, blacklisting the viafb module may resolve conflicts with NVIDIA drivers:

/etc/modprobe.d/blacklist.conf
install viafb /usr/bin/false

X fails with "no screens found" when using Multiple GPUs

In situations where you might have multiple GPUs on a system and X fails to start with:

[ 76.633] (EE) No devices detected.
[ 76.633] Fatal server error:
[ 76.633] no screens found

then you need to add your discrete card's BusID to your X configuration. This can happen on systems with an Intel CPU and an integrated GPU or if you have more than one Nvidia card connected. Find your BusID:

# lspci | grep -E "VGA|3D controller"
00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GK107 [GeForce GTX 650] (rev a1)
08:00.0 3D controller: NVIDIA Corporation GM108GLM [Quadro K620M / Quadro M500M] (rev a2)

Then you fix it by adding it to the card's Device section in your X configuration. In my case:

/etc/X11/xorg.conf.d/10-nvidia.conf
Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:1:0:0"
EndSection
Note: BusID formatting is important!

In the example above 01:00.0 is stripped to be written as 1:0:0, however some conversions can be more complicated. lspci output is in hex format, but in config files the BusID's are in decimal format! This means that in cases where the BusID is greater than 9 you will need to convert it to decimal!

ie: 5e:00.0 from lspci becomes PCI:94:0:0.

Xorg fails during boot, but otherwise starts fine

On very fast booting systems, systemd may attempt to start the display manager before the NVIDIA driver has fully initialized. You will see a message like the following in your logs only when Xorg runs during boot.

/var/log/Xorg.0.log
[     1.807] (EE) NVIDIA(0): Failed to initialize the NVIDIA kernel module. Please see the
[     1.807] (EE) NVIDIA(0):     system's kernel log for additional error messages and
[     1.808] (EE) NVIDIA(0):     consult the NVIDIA README for details.
[     1.808] (EE) NVIDIA(0):  *** Aborting ***

In this case you will need to establish an ordering dependency from the display manager to the DRI device. First create device units for DRI devices by creating a new udev rules file.

/etc/udev/rules.d/99-systemd-dri-devices.rules
ACTION=="add", KERNEL=="card*", SUBSYSTEM=="drm", TAG+="systemd"

Then create dependencies from the display manager to the device(s).

/etc/systemd/system/display-manager.service.d/10-wait-for-dri-devices.conf
[Unit]
Wants=dev-dri-card0.device
After=dev-dri-card0.device

If you have additional cards needed for the desktop then list them in Wants and After seperated by spaces.

xrandr BadMatch

If you are trying to configure a WQHD monitor such as DELL U2515H using xrandr and xrandr --addmode gives you the error X Error of failed request: BadMatch, it might be because the proprietary NVIDIA driver clips the pixel clock maximum frequency of HDMI output to 225 MHz or lower. To set the monitor to maximum resolution you have to install nouveau drivers. You can force nouveau to use a specific pixel clock frequency by setting nouveau.hdmimhz=297 (or 330) in your Kernel parameters.

Alternatively, it may be that your monitor's EDID is incorrect. See #Override EDID.

Another reason could be that per default current NVidia drivers will only allow modes explicitly reported by EDID; but sometimes refresh rates and/or resolutions are desired which are not reported by the monitor (although the EDID information is correct; it's just that current NVidia drivers are too restrictive).

If this happens, you may want to add an option to xorg.conf to allow non-EDID modes:

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
...
    Option         "ModeValidation" "AllowNonEdidModes"
...
EndSection

This can be set per-output. See NVidia driver readme (Appendix B. X Config Options) for more information.

Override EDID

See Kernel mode setting#Forcing modes and EDID, Xrandr#Troubleshooting and Qnix QX2710#Fixing X11 with Nvidia.

Overclocking with nvidia-settings GUI not working

Tango-edit-clear.pngThis article or section needs language, wiki syntax or style improvements. See Help:Style for reference.Tango-edit-clear.png

Reason: Duplication, vague "not working" (Discuss in Talk:NVIDIA/Troubleshooting)

Workaround is to use nvidia-settings CLI to query and set certain variables after enabling overclocking (as explained in NVIDIA/Tips and tricks#Enabling overclocking, see nvidia-settings(1) for more information).

Example to query all variables:

 nvidia-settings -q all

Example to set PowerMizerMode to prefer performance mode:

 nvidia-settings -a [gpu:0]/GPUPowerMizerMode=1

Example to set fan speed to fixed 21%:

nvidia-settings -a [gpu:0]/GPUFanControlState=1 -a [fan:0]/GPUTargetFanSpeed=21

Example to set multiple variables at once (overclock GPU by 50MHz, overclock video memory by 50MHz, increase GPU voltage by 100mV):

 nvidia-settings -a GPUGraphicsClockOffsetAllPerformanceLevels=50 -a GPUMemoryTransferRateOffsetGPUGraphicsClockOffsetAllPerformanceLevels=50 -a GPUOverVoltageOffset=100

Overclocking not working with Unknown Error

If you are running Xorg as a non-root user and trying to overclock your NVIDIA GPU, you will get an error similar to this one:

$ nvidia-settings -a "[gpu:0]/GPUGraphicsClockOffset[3]=10"
ERROR: Error assigning value 10 to attribute 'GPUGraphicsClockOffset' (trinity-zero:1[gpu:0]) as specified in assignment
        '[gpu:0]/GPUGraphicsClockOffset[3]=10' (Unknown Error).

To avoid this issue, Xorg has to be run as the root user. See Xorg#Rootless Xorg for details.

System will not boot after driver was installed

If after installing the NVIDIA driver your system becomes stuck before reaching the display manager, try to disable kernel mode setting.

X fails with "Failing initialization of X screen"

If /var/log/Xorg.0.log says X server fails to initialize screen

(EE) NVIDIA(G0): GPU screens are not yet supported by the NVIDIA driver
(EE) NVIDIA(G0): Failing initialization of X screen

and nvidia-smi says No running processes found

The solution is at first reinstall latest nvidia-utils, and then copy /usr/share/X11/xorg.conf.d/10-nvidia-drm-outputclass.conf to /etc/X11/xorg.conf.d/10-nvidia-drm-outputclass.conf, and then edit /etc/X11/xorg.conf.d/10-nvidia-drm-outputclass.conf and add the line Option "PrimaryGPU" "yes". Restart the computer. The problem will be fixed.

System does not return from suspend

What you see in the log:

kernel: nvidia-modeset: ERROR: GPU:0: Failed detecting connected display devices
kernel: nvidia-modeset: ERROR: GPU:0: Failed detecting connected display devices
kernel: nvidia-modeset: WARNING: GPU:0: Failure processing EDID for display device DELL U2412M (DP-0).
kernel: nvidia-modeset: WARNING: GPU:0: Unable to read EDID for display device DELL U2412M (DP-0)
kernel: nvidia-modeset: ERROR: GPU:0: Failure reading maximum pixel clock value for display device DELL U2412M (DP-0).

A possible solution based on [5]:

Run this command to get the version string:

# strings /sys/firmware/acpi/tables/DSDT | grep -i 'windows ' | sort | tail -1

Add the acpi_osi=! "acpi_osi=version" kernel parameter to your boot loader configuration.

Vulkan error on applications start

Tango-inaccurate.pngThe factual accuracy of this article or section is disputed.Tango-inaccurate.png

Reason: Need confirmation by other users (Discuss in Talk:NVIDIA/Troubleshooting)

On executing an application that require Vulkan acceleration, if you get this error

Vulkan call failed: -4

try to delete the ~/.nv or ~/.cache/nvidia directory.