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Pop!_OS NVIDIA Graphics Drivers
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Display size mismatch with fractional scaling #149

Open s417-lama opened 2 years ago

s417-lama commented 2 years ago

Distribution (run cat /etc/os-release):

NAME="Pop!_OS"
VERSION="22.04 LTS"
ID=pop
ID_LIKE="ubuntu debian"
PRETTY_NAME="Pop!_OS 22.04 LTS"
VERSION_ID="22.04"
HOME_URL="https://pop.system76.com"
SUPPORT_URL="https://support.system76.com"
BUG_REPORT_URL="https://github.com/pop-os/pop/issues"
PRIVACY_POLICY_URL="https://system76.com/privacy"
VERSION_CODENAME=jammy
UBUNTU_CODENAME=jammy
LOGO=distributor-logo-pop-os

Related Application and/or Package Version (run apt policy $PACKAGE NAME):

pop-shell:
  Installed: 1.1.0~1652463555~22.04~034fb14
  Candidate: 1.1.0~1652463555~22.04~034fb14
  Version table:
 *** 1.1.0~1652463555~22.04~034fb14 1001
       1001 http://apt.pop-os.org/release jammy/main amd64 Packages
       1001 http://apt.pop-os.org/release jammy/main i386 Packages
        100 /var/lib/dpkg/status
pop-desktop:
  Installed: 1.6.0~1652730043~22.04~983629a
  Candidate: 1.6.0~1652730043~22.04~983629a
  Version table:
 *** 1.6.0~1652730043~22.04~983629a 1001
       1001 http://apt.pop-os.org/release jammy/main amd64 Packages
        100 /var/lib/dpkg/status
pop-cosmic:
  Installed: 0.1.0~1651251139~22.04~9c251e7
  Candidate: 0.1.0~1651251139~22.04~9c251e7
  Version table:
 *** 0.1.0~1651251139~22.04~9c251e7 1001
       1001 http://apt.pop-os.org/release jammy/main amd64 Packages
       1001 http://apt.pop-os.org/release jammy/main i386 Packages
        100 /var/lib/dpkg/status

Issue/Bug Description:

After recent updates, only a part of workspace is shown on my secondary display (with fractional scaling enabled).

A screenshot of the entire workspace:

Screenshot from 2022-05-18 13-42-36

It shows that the size of the workspace is properly configured with fractional scaling.

However, at the hardware-level, only the upper left part of the workspace is shown on my display:

Screenshot from 2022-05-18 13-56-00

(This screenshot was taken by selecting only the human-visible part of the screen)

I'm pretty sure that it was properly working until recent apt upgrade.

Steps to reproduce (if you know):

In the display setting:

Expected behavior:

The whole workspace is shown on the display as before.

Other Notes:

Here are my hardware configurations:

Primary display (my laptop)

Secondary display

fanpeng-kong commented 2 years ago

I have same issues on my external 4k display with 175% scale (via thunderbolt 3 dock) plus that the system also becomes very laggy. Same versions for the pop packages. And I can confirm it worked flawlessly when I just upgraded to 22.04 from 21.10. Problems only happened after installing some updates from Pop Shop recently.

n3m0-22 commented 2 years ago

Tested with 22.04 on gaze15

I am seeing this as well, but only with mDP. HDMI works fine for me.

I also tested with the following PRs and the issue persisted. #1439 #107 #27

n3m0-22 commented 2 years ago

I tested starting with pop-os_22.04_amd64_nvidia_5.iso and updated likely packages until the issue occurred. It seems to start after installing system76-driver/jammy,jammy 20.04.52~1652101817~22.04~54fc7d4.

s417-lama commented 2 years ago

Thank you for your investigation.

Additionally, while connecting to the secondary display via usb-c, Xorg process constantly consumes about 40% CPU time.

    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND
   3199 root      15  -5   25.8g 147036  82580 R  39.7   0.5 140:33.85 Xorg

As this high CPU usage is not observed with a single display, it might be related to this issue.

s417-lama commented 1 year ago

Solved with 515.65.01. Thanks!

kingfisher64 commented 1 year ago

515.65.01 on 22.04 PopOS doesn't work for me. Can you tell me/us @s417-lama how you got it working? Thanks

s417-lama commented 1 year ago

I don't think I have done something special. I just upgraded my NVIDIA driver and then the issue disappeared.

I'm using "NVIDIA Graphics" mode, and the Display setting is as follows:

image

Here is my configuration of GPU:

⟩ nvidia-smi -L
GPU 0: NVIDIA GeForce RTX 2070 with Max-Q Design (UUID: GPU-e8029a32-8a3c-5421-2440-1959b767c04f)

⟩ nvidia-smi
Mon Nov  7 12:20:01 2022
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 515.65.01    Driver Version: 515.65.01    CUDA Version: 11.7     |
|-------------------------------+----------------------+----------------------+
| 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  NVIDIA GeForce ...  Off  | 00000000:01:00.0  On |                  N/A |
| N/A   62C    P5    26W /  N/A |   3087MiB /  8192MiB |      8%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+

+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      3377      G   /usr/lib/xorg/Xorg               1500MiB |
|    0   N/A  N/A      3537      G   /usr/bin/gnome-shell              616MiB |
|    0   N/A  N/A      5412      G   ...eatures=VaapiVideoDecoder      758MiB |
|    0   N/A  N/A   3658945      G   gnome-control-center                2MiB |
+-----------------------------------------------------------------------------+
kingfisher64 commented 1 year ago

@s417-lama thanks for the info. I've tried re-installing the same driver and installing newer and older versions but nothing fixes it. So frustrating as everything else is lovely.

zerophilmister commented 1 year ago

@kingfisher64 I am still experiencing this issue as well. I have a fresh install of pop and I've tried 515 and 525. I remember fractional scaling working in the past. I recently decided to give popos a shot again as a daily driver but I unfortunately can't since it doesn't work well with my 4k display.

kingfisher64 commented 1 year ago

I gave up on linux due to issues like this. Just not viable in a pro environment.

On Sat, 28 Jan 2023, 5:41 pm zerophilmister, @.***> wrote:

@kingfisher64 https://github.com/kingfisher64 I am still experiencing this issue as well. I have a fresh install of pop and I've tried 515 and

  1. I remember fractional scaling working in the past. I recently decided to give popos a shot again as a daily driver but I unfortunately can't since it doesn't work well with my 4k display.

— Reply to this email directly, view it on GitHub https://github.com/pop-os/nvidia-graphics-drivers/issues/149#issuecomment-1407448296, or unsubscribe https://github.com/notifications/unsubscribe-auth/AAFFLB4TPHHQR2GRROHI553WUVK6JANCNFSM5WJ5FTGA . You are receiving this because you were mentioned.Message ID: @.***>

zerophilmister commented 1 year ago

I was able to find a workaround with font scaling. Here's the command I used: gsettings set org.gnome.desktop.interface text-scaling-factor 1.5 It looks good on my 4k monitor but text and apps on my qhd monitor and hd laptop screen look too big. I mainly use my 4k monitor so it will work. I am just surprised fractional scaling isn't working correctly anymore.

neopostmodern commented 1 year ago

Could this be re-opened? It's also not working for me, using 515.65.01(same for 525, that even causes performance issues).

s417-lama commented 11 months ago

I noticed that this issue is still happening with the "Hybrid Graphics" mode. With the "NVIDIA Graphics" mode, fractional scaling is working perfectly, but with the "Hybrid Graphics" mode, fractional scaling does not work, even with 100% scaling (only 200% scaling is working).

The current NVIDIA driver version is 535.86.05.

OlivierBelan commented 10 months ago

Could this thread be re-opened ?

Have the same problem on Hybrid Graphics only - any ideas ?

leviport commented 10 months ago

Sure, but I'd highly recommend trying Wayland if fractional scaling is a requirement for your setup. X11 does not like doing fractional scaling very much at all.

OlivierBelan commented 10 months ago

Thanks for the recommendation, in fact what I'm looking for is a hybrid configuration allowing me to choose when to use the NVDIA GPU for certain targeted programs and use the Intel integrated for normal use. At the same time I have to juggle with the fact that I have to use fractional scaling.

In fact, I'm using wayland at the moment, and this configuration works (fractional + hybrid mode). However, one annoying (and hopefully temporary) problem is that Wayland doesn't (yet) have as much integration as X11 (from what I understand). Notably the problem of integrating applications that are really independent (e.g. blur, windows top bar etc...). One solution is to add flags so that the applications run natively on wayland, but this still seems to be a problem depending on the application and the developer of the app.

So I tried to go back to X11, where most applications are well integrated with the exception of fractional scaling (in hybrid mode), which is really frustrating and ironic.