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virtio-vga gtk,gl=on Black Screen or GLXGears picture
Description of problem:
Blank screen for tab with name `virtio-vga` on GTK interface, however, if I run `glxgears` before running the machine, I see the following image:
Steps to reproduce:
1.Run the invocation command provided above
#
Additional information:
The host when the problem is occurring is a Dell Precision 5110 laptop that have Hybrid Graphics. I am running X11 with nvidia as the main driver, I am not using nouveau, I am using the nvidia drivers installed by the debian package, here the corresponding information for the nvida card:
```
nvidia-smi
```
```
Thu Feb 10 23:32:21 2022
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 460.91.03 Driver Version: 460.91.03 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 Quadro M1000M On | 00000000:01:00.0 Off | N/A |
| N/A 44C P8 N/A / N/A | 846MiB / 2004MiB | 6% Default |
| | | N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: |
| GPU GI CI PID Type Process name GPU Memory |
| ID ID Usage |
|=============================================================================|
| 0 N/A N/A 6926 G /usr/lib/xorg/Xorg 528MiB |
| 0 N/A N/A 7223 G ...b/firefox-esr/firefox-esr 238MiB |
| 0 N/A N/A 7363 G ...b/firefox-esr/firefox-esr 0MiB |
| 0 N/A N/A 276992 G ...b/firefox-esr/firefox-esr 0MiB |
| 0 N/A N/A 282023 G ...b/firefox-esr/firefox-esr 0MiB |
| 0 N/A N/A 282630 G ...b/firefox-esr/firefox-esr 0MiB |
| 0 N/A N/A 322305 G qemu-system-x86_64 70MiB |
+-----------------------------------------------------------------------------+
```
##
|