Hi I am hoping someone would be able to help me. I have recently purchased an eGPU for research and displaying output to my monitor, but encountering a pretty large issue.
The problem
My internal display freezes on startup. During the boot process, only the internal display works, but right before the login screen it freezes on the ubuntu splash screen. The external display becomes connected and displays the desktop at the moment the internal display stops working.
How the issue was caused
After performing the first time set up of the eGPU and the RTX 3070, the entire OS would hang just before the login screen. I.e., the internal display would freeze as described above, and the external display would not show anything. I had to follow this guide, which consisted of adding nomodeset as a boot option in grub.
After this, only the internal display was working, even though all current Nvidia drivers were installed. On running nvidia-smi, the processes tab showed No running processes found. To fix this, I downloaded and ran this script, ‘egpu-switcher’ which changes the etc/X11/xorg.conf to (I assume) support running the external display with the eGPU. After performing these steps, upon reboot the internal display freezes as originally described.
Solutions tried
- Flash updating BIOS, no effect
- Reinstalling all NVIDIA drivers, no effect
- Installing
bumblebee, no effect (although I didn’t know how to use it) - Removing
egpu-switcher, which reverted to previous behaviour where only the internal display was working
The solution I want
Either the GPU/NVIDIA drivers to drive the internal display, or the internal display to be powered by my integrated graphics and then my external display to be powered by my dedicated GPU. Is that even possible?
My specifications
Ubuntu 20.04
Dell Latitude 7390 (intel integrated graphics)
Razer Core X Chroma eGPU
NVIDIA RTX 3070
Monitor connected to GPU via DisplayPort
Other notes
The nvidia-smi output is
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 460.39 Driver Version: 460.39 CUDA Version: 11.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|===============================+======================+======================|
| 0 GeForce RTX 3070 Off | 00000000:08:00.0 On | N/A |
| 0% 37C P8 15W / 220W | 482MiB / 7982MiB | 10% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 1601 G /usr/lib/xorg/Xorg 53MiB |
| 0 N/A N/A 2810 G /usr/lib/xorg/Xorg 231MiB |
| 0 N/A N/A 2947 G /usr/bin/gnome-shell 38MiB |
| 0 N/A N/A 3423 G /proc/self/exe 13MiB |
| 0 N/A N/A 3667 G ...AAAAAAAA== --shared-files 30MiB |
| 0 N/A N/A 8362 G ...AAAAAAAAA= --shared-files 96MiB |
| 0 N/A N/A 8793 G gnome-control-center 3MiB |
+-----------------------------------------------------------------------------+
I’m happy to provide any more detail if needed. Thank you to everyone in advance for their answers, I am an Ubuntu novice, so this has been really frustrating me recently.
EDIT
The attached nvidia-bug-report.log.gz is here:
nvidia-bug-report.log.gz (420.7 KB)