Closed logicito closed 5 months ago
Update: I have tried with multiple fresh installations, always at boot it will show the message of missing NVIDIA kernel module, the only way to get rid of it, is to switch from Integrated to Hybrid, the default mode, that is counter productive, because is the same as not having EnvyControl installed. If you need more information, please let me know, thank you
It's a known problem with the RPM Fusion Nvidia driver, I think we need to add/modify some Fedora/RHEL specific boot params in addition to blacklisting the kernel modules via modprobe but haven't really looked into it.
In the meanwhile, it's safe to ignore it.
Update: I have tried with multiple fresh installations, always at boot it will show the message of missing NVIDIA kernel module, the only way to get rid of it, is to switch from Integrated to Hybrid, the default mode, that is counter productive, because is the same as not having EnvyControl installed. If you need more information, please let me know, thank you
Disable the nvidia-fallback.service and this warning will no longer occur
@logicito Write sudo systemctl --type=service | grep "nvidia-fallback"
output please
@Boria138 This is what I see:
sudo systemctl --type=service | grep "nvidia-fallback"
nvidia-fallback.service loaded active exited Fallback to nouveau as nvidia did not load
I disabled and stopped the service but that did not seem to have effect. After reboot it is active again. And I still saw the message.
sudo systemctl status nvidia-fallback.service
● nvidia-fallback.service - Fallback to nouveau as nvidia did not load
Loaded: loaded (/usr/lib/systemd/system/nvidia-fallback.service; disabled; preset: disabled)
Drop-In: /usr/lib/systemd/system/service.d
└─10-timeout-abort.conf
Active: active (exited) since Fri 2024-03-01 17:53:10 PST; 1min 45s ago
Process: 1309 ExecStart=/sbin/modprobe nouveau (code=exited, status=1/FAILURE)
Process: 1316 ExecStartPost=/bin/plymouth message --text=NVIDIA kernel module missing. Falling back to nouveau (code=exited, status=0/SUCCESS)
Main PID: 1309 (code=exited, status=1/FAILURE)
CPU: 5ms
Mar 01 17:53:10 fedora systemd[1]: Starting nvidia-fallback.service - Fallback to nouveau as nvidia did not load...
Mar 01 17:53:10 fedora modprobe[1309]: modprobe: ERROR: libkmod/libkmod-module.c:895 kmod_module_insert_module() could not find module by name='off'
Mar 01 17:53:10 fedora modprobe[1309]: modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg)
Mar 01 17:53:10 fedora systemd[1]: Finished nvidia-fallback.service - Fallback to nouveau as nvidia did not load.
But note this:
$ lsmod | grep nouveau
$ lsmod | grep nvidia
nvidia_wmi_ec_backlight 12288 0
video 77824 3 nvidia_wmi_ec_backlight,acer_wmi,i915
wmi 45056 4 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof
$ lsmod | grep video
uvcvideo 176128 0
uvc 12288 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 40960 1 uvcvideo
videobuf2_common 94208 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
videodev 393216 5 v4l2_async,v4l2_fwnode,videobuf2_v4l2,ov13858,uvcvideo
mc 90112 6 v4l2_async,videodev,videobuf2_v4l2,ov13858,uvcvideo,videobuf2_common
video 77824 3 nvidia_wmi_ec_backlight,acer_wmi,i915
wmi 45056 4 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof
Note on my other HD with the same exact system but without akmod-nvidia installed, I do not see that message. Must be built into the driver.
Just double-checked the lsmod output above from both systems are identical.
Observations:
I do not believe your change is needed.
As a final test, on the system without akmod-nvidia installed, I executed envycontrol --reset
and rebooted. This is now the lsmod output.
$ lsmod | grep nouveau
nouveau 3641344 0
drm_gpuvm 28672 1 nouveau
mxm_wmi 12288 1 nouveau
drm_exec 12288 1 nouveau
gpu_sched 65536 1 nouveau
drm_ttm_helper 12288 1 nouveau
i2c_algo_bit 20480 2 i915,nouveau
ttm 110592 3 drm_ttm_helper,i915,nouveau
drm_display_helper 229376 2 i915,nouveau
video 77824 4 nvidia_wmi_ec_backlight,acer_wmi,i915,nouveau
wmi 45056 6 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof,mxm_wmi,nouveau
$ lsmod | grep nvidia
nvidia_wmi_ec_backlight 12288 0
video 77824 4 nvidia_wmi_ec_backlight,acer_wmi,i915,nouveau
wmi 45056 6 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof,mxm_wmi,nouveau
$ lsmod | grep video
uvcvideo 176128 0
uvc 12288 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videobuf2_memops 16384 1 videobuf2_vmalloc
videobuf2_v4l2 40960 1 uvcvideo
videobuf2_common 94208 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
videodev 393216 5 v4l2_async,v4l2_fwnode,videobuf2_v4l2,ov13858,uvcvideo
mc 90112 6 v4l2_async,videodev,videobuf2_v4l2,ov13858,uvcvideo,videobuf2_common
video 77824 4 nvidia_wmi_ec_backlight,acer_wmi,i915,nouveau
wmi 45056 6 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof,mxm_wmi,nouveau
@Boria138 This is what I see:
sudo systemctl --type=service | grep "nvidia-fallback" nvidia-fallback.service loaded active exited Fallback to nouveau as nvidia did not load
I disabled and stopped the service but that did not seem to have effect. After reboot it is active again. And I still saw the message.
sudo systemctl status nvidia-fallback.service ● nvidia-fallback.service - Fallback to nouveau as nvidia did not load Loaded: loaded (/usr/lib/systemd/system/nvidia-fallback.service; disabled; preset: disabled) Drop-In: /usr/lib/systemd/system/service.d └─10-timeout-abort.conf Active: active (exited) since Fri 2024-03-01 17:53:10 PST; 1min 45s ago Process: 1309 ExecStart=/sbin/modprobe nouveau (code=exited, status=1/FAILURE) Process: 1316 ExecStartPost=/bin/plymouth message --text=NVIDIA kernel module missing. Falling back to nouveau (code=exited, status=0/SUCCESS) Main PID: 1309 (code=exited, status=1/FAILURE) CPU: 5ms Mar 01 17:53:10 fedora systemd[1]: Starting nvidia-fallback.service - Fallback to nouveau as nvidia did not load... Mar 01 17:53:10 fedora modprobe[1309]: modprobe: ERROR: libkmod/libkmod-module.c:895 kmod_module_insert_module() could not find module by name='off' Mar 01 17:53:10 fedora modprobe[1309]: modprobe: ERROR: could not insert 'off': Unknown symbol in module, or unknown parameter (see dmesg) Mar 01 17:53:10 fedora systemd[1]: Finished nvidia-fallback.service - Fallback to nouveau as nvidia did not load.
But note this:
$ lsmod | grep nouveau $ lsmod | grep nvidia nvidia_wmi_ec_backlight 12288 0 video 77824 3 nvidia_wmi_ec_backlight,acer_wmi,i915 wmi 45056 4 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof $ lsmod | grep video uvcvideo 176128 0 uvc 12288 1 uvcvideo videobuf2_vmalloc 20480 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_v4l2 40960 1 uvcvideo videobuf2_common 94208 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops videodev 393216 5 v4l2_async,v4l2_fwnode,videobuf2_v4l2,ov13858,uvcvideo mc 90112 6 v4l2_async,videodev,videobuf2_v4l2,ov13858,uvcvideo,videobuf2_common video 77824 3 nvidia_wmi_ec_backlight,acer_wmi,i915 wmi 45056 4 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof
Note on my other HD with the same exact system but without akmod-nvidia installed, I do not see that message. Must be built into the driver.
Just double-checked the lsmod output above from both systems are identical.
Observations:
* no nouveau loaded * using i915 driver in integrated mode with or without akmod-nvidia rpmfusion driver installed.
I do not believe your change is needed.
As a final test, on the system without akmod-nvidia installed, I executed
envycontrol --reset
and rebooted. This is now the lsmod output.$ lsmod | grep nouveau nouveau 3641344 0 drm_gpuvm 28672 1 nouveau mxm_wmi 12288 1 nouveau drm_exec 12288 1 nouveau gpu_sched 65536 1 nouveau drm_ttm_helper 12288 1 nouveau i2c_algo_bit 20480 2 i915,nouveau ttm 110592 3 drm_ttm_helper,i915,nouveau drm_display_helper 229376 2 i915,nouveau video 77824 4 nvidia_wmi_ec_backlight,acer_wmi,i915,nouveau wmi 45056 6 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof,mxm_wmi,nouveau $ lsmod | grep nvidia nvidia_wmi_ec_backlight 12288 0 video 77824 4 nvidia_wmi_ec_backlight,acer_wmi,i915,nouveau wmi 45056 6 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof,mxm_wmi,nouveau $ lsmod | grep video uvcvideo 176128 0 uvc 12288 1 uvcvideo videobuf2_vmalloc 20480 1 uvcvideo videobuf2_memops 16384 1 videobuf2_vmalloc videobuf2_v4l2 40960 1 uvcvideo videobuf2_common 94208 4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops videodev 393216 5 v4l2_async,v4l2_fwnode,videobuf2_v4l2,ov13858,uvcvideo mc 90112 6 v4l2_async,videodev,videobuf2_v4l2,ov13858,uvcvideo,videobuf2_common video 77824 4 nvidia_wmi_ec_backlight,acer_wmi,i915,nouveau wmi 45056 6 video,nvidia_wmi_ec_backlight,acer_wmi,wmi_bmof,mxm_wmi,nouveau
All the nvidia-fallback service does is to try to start nouveau via modprobe and display messages in plymouth, the changes are only cosmetic, it doesn't affect functionality, but I still think you should disable this service so people don't get confused, probably the best option is to mention this rule in the readme because I think even if you mask the service udev will still call it.
I just checked it looks like if you mask the service then udev rule doesn't work and plymouth doesn't write anything, @klmcwhirter please check with yourself if this works and if it does I will update pr
I have moved on to a different approach that seems to be working better for me. Please work with Victor.
On Thursday, March 7, 2024 at 12:18:46 AM PST, Boria138 ***@***.***> wrote:
I just checked it looks like if you mask the service then udev rule doesn't work and plymouth doesn't write anything, @klmcwhirter please check with yourself if this works and if it does I will update pr
— Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you were mentioned.Message ID: @.***>
I have moved on to a different approach that seems to be working better for me. Please work with Victor.
On Thursday, March 7, 2024 at 12:18:46 AM PST, Boria138 ***@***.***> wrote:
I just checked it looks like if you mask the service then udev rule doesn't work and plymouth doesn't write anything, @klmcwhirter please check with yourself if this works and if it does I will update pr
— Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you were mentioned.Message ID: @.***>
What different approach ?
I have moved on to a different approach that seems to be working better for me. Please work with Victor.
On Thursday, March 7, 2024 at 12:18:46 AM PST, Boria138 ***@***.***> wrote:
I just checked it looks like if you mask the service then udev rule doesn't work and plymouth doesn't write anything, @klmcwhirter please check with yourself if this works and if it does I will update pr
— Reply to this email directly, view it on GitHub, or unsubscribe. You are receiving this because you were mentioned.Message ID: @.***>
What different approach ?
@klmcwhirter is talking about this
My use case is very specific. I am a developer - NOT a gamer that needs a dedicated GPU. So my goal since I had to buy a $700 laptop from a local sticks-and-bricks has been to turn off the dGPU and recover some battery life. I do not want to have to install the nvidia driver. I did have it installed on the HD I was using to test with. But not in my production HD. Here is the POC I put together. The first link in the README spells out the details of the approach.
https://github.com/klmcwhirter/nvidia-more-battery/ - Get battery time back by making usage of nvidia GPU optional for systems with Optimus
Note I am working with Victor on the side to potentially include some of this in envycontrol upon switch to integrated mode. Also, note that with the rpmfusion nvidia driver installed you will still get the innocuous message about the fallback to nouveau.
There is no real panacea here - 3-1/2 hrs battery instead of ~2 hrs. BUT, it was nice to wake up this morning with 96% battery instead of 15%. Sleep / suspend battery time has been solved it seems. A definite step in the right direction. The other major feature is that the GPU can be "turned back on" without a reboot. Simply tell the kernel to rescan the PCIe bus with: echo 1 | sudo tee /sys/bus/pci/rescan
To turn it back off simply reboot. I definitely would like to hear from others whether this works on their system or not. Let me create a separate issue so that we can collect some feedback for Victor. I have created a new issue as promised - https://github.com/bayasdev/envycontrol/issues/157
I thought that almost after a year, this issue would have been resolved, tested it today, and the exact same problem
I thought that almost after a year, this issue would have been resolved, tested it today, and the exact same problem
The missing modules is a Fedora issue, it shouldn't try to load again and again once we're blacklisting them
@bayasdev , actually I am pretty certain it is an intentional design element by the rpmfusion folks - NOT fedora.
The nvidia-fallback.service (that issues that warning) is started from inside of the kernel driver code somewhere. And it is right! During the transition to integrated mode we (envycontrol) just blacklisted all those modules.
So to me, the service is just stating the obvious; the surprise is the choice to (at least temporarily) fallback to nouveau.
As you mentioned, it is completely harmless and can safely be ignored. My analysis of loaded modules across a matrix of scenarios shows that. I am referencing this comment: https://github.com/bayasdev/envycontrol/issues/121#issuecomment-1974187399
Personally I think this knowledge should be captured in the FAQ and this issue closed. But that is just my opinion.
I'll let you work that out with @Boria138 .
@bayasdev I guess this error can be closed, as it is not really an error at all
Describe the bug Brand new Fedora 38 installation, using the NVIDIA drivers from Gnome Software (RPM), configured to ONLY Integrated iGPU Intel, and at boot I get the message: "Missing NVIDIA kernel module, defaulting to Nouveau"
To Reproduce Install NVIDIA driver from Fedora RPM via Gnome Software Using EnvyControl set it only for Integrated Boot
Expected behavior No error message at Boot
Screenshots If applicable, add screenshots to help explain your problem.
System Information:
paste here