Screen never turns off

endlisnis · July 23, 2023, 2:15am

I’m running the Cinnamon spin of Fedora 38. Just installed in a few days ago on a new computer running a very new CPU (16-core Intel)

I set my screens to turn off after 5 minutes of inactivity. They do technically turn off after 5 minutes, but only for about 1 second and then they turn back on. This repeats every 5 minutes while the system is idle.

I’ve tried rebooting. I’ve tried changing my power management settings. I’ve made sure all my packages are up-to-date. Nothing seems to work.

Is there any way I can see WHY the system thinks it’s not idle after that 5-minute time?

Here’s my system info:
https://paste.centos.org/view/f329dba7

navras · July 23, 2023, 9:13am

Just a me too reply.
I’m using Fedora Workstation (GNOME) and the monitor doesn’t turn off also. Turns off for a moment then backlight turns back on and it’s just a black screen instead of being off.
I remember having the same behavior on Debian. I also remember finding an ancient unresolved bug report.
It might be the monitor as my laptop’s built-in screen turns off correctly.

endlisnis · July 23, 2023, 11:15am

Well, for me, I’ve used these exact screens with Linux Mint in the past (attached to a different computer), and the screens turned off correctly. So I don’t think it’s the screens themselves.

endlisnis · July 23, 2023, 5:34pm

I’ve also confirmed that even from the F38 Cinnamon Live USB image, the same thing happens.

I’m now going to try the F38 Gnome Live USB image, and even an Linux Mint and Ubuntu image.

computersavvy · July 23, 2023, 5:35pm

Please, whenever possible one should copy and paste the information directly into the post. It makes sure the data is available for someone searching, as well as making sure the data is permanently tied to the thread for discussion. Many external links are only temporary and will disappear after a very short time so even while discussion is ongoing the data might not be available.

The text can be pasted in and formatting retained by using the </> button on the toolbar, or by adding [ ``` ] (triple backquote) tags on the lines preceding and following the text.

I copied and pasted the data from that pastebin here for others to see.

System:
  Kernel: 6.3.12-200.fc38.x86_64 arch: x86_64 bits: 64 compiler: gcc v: 2.39-9.fc38
    Desktop: Cinnamon v: 5.8.4 tk: GTK v: 3.24.38 wm: muffin dm: 1: LightDM 2: LXDM note: stopped
    Distro: Fedora release 38 (Thirty Eight)
Machine:
  Type: Desktop System: ASUS product: N/A v: N/A serial: <superuser required>
  Mobo: ASUSTeK model: PRIME Z790-P WIFI v: Rev 1.xx serial: <superuser required>
    UEFI: American Megatrends v: 0812 date: 02/24/2023
CPU:
  Info: 16-core (8-mt/8-st) model: 13th Gen Intel Core i7-13700 bits: 64 type: MST AMCP
    arch: Raptor Lake rev: 1 cache: L1: 1.4 MiB L2: 24 MiB L3: 30 MiB
  Speed (MHz): avg: 1897 high: 2100 min/max: 800/5100:5200:4100 cores: 1: 2100 2: 2100 3: 2100
    4: 2100 5: 1100 6: 2100 7: 2100 8: 2100 9: 1100 10: 2100 11: 1100 12: 2100 13: 1100 14: 2100
    15: 1248 16: 2100 17: 2100 18: 2100 19: 2100 20: 2100 21: 2100 22: 2100 23: 2100 24: 2100
    bogomips: 101376
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Graphics:
  Device-1: Intel Raptor Lake-S GT1 [UHD Graphics 770] vendor: ASUSTeK driver: i915 v: kernel
    arch: Gen-13 ports: active: DP-1,HDMI-A-2 empty: HDMI-A-1 bus-ID: 00:02.0 chip-ID: 8086:a780
  Display: x11 server: X.Org v: 1.20.14 driver: X: loaded: modesetting unloaded: fbdev,vesa
    dri: iris gpu: i915 display-ID: :0 screens: 1
  Screen-1: 0 s-res: 7680x2160 s-dpi: 192
  Monitor-1: DP-1 pos: right model: BenQ EW3280U res: 3840x2160 dpi: 138 diag: 806mm (31.7")
  Monitor-2: HDMI-A-2 mapped: HDMI-2 pos: primary,left model: BenQ EW3280U res: 3840x2160
    dpi: 138 diag: 806mm (31.7")
  API: OpenGL v: 4.6 Mesa 23.1.3 renderer: Mesa Intel Graphics (RPL-S) direct-render: Yes
Audio:
  Device-1: Intel vendor: ASUSTeK driver: snd_hda_intel v: kernel bus-ID: 00:1f.3
    chip-ID: 8086:7a50
  API: ALSA v: k6.3.12-200.fc38.x86_64 status: kernel-api
  Server-1: PipeWire v: 0.3.75 status: active with: 1: pipewire-pulse status: active
    2: wireplumber status: active 3: pipewire-alsa type: plugin 4: pw-jack type: plugin
Network:
  Device-1: Intel driver: iwlwifi v: kernel port: N/A bus-ID: 00:14.3 chip-ID: 8086:7a70
  IF: wlp0s20f3 state: down mac: <filter>
  Device-2: Realtek RTL8125 2.5GbE vendor: ASUSTeK driver: r8169 v: kernel pcie: speed: 5 GT/s
    lanes: 1 port: 4000 bus-ID: 05:00.0 chip-ID: 10ec:8125
  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter>
Bluetooth:
  Device-1: Intel AX201 Bluetooth driver: btusb v: 0.8 type: USB rev: 2.0 speed: 12 Mb/s lanes: 1
    bus-ID: 1-14:8 chip-ID: 8087:0026
  Report: rfkill ID: hci0 rfk-id: 0 state: up address: see --recommends
RAID:
  Hardware-1: Intel Volume Management Device NVMe RAID Controller Intel driver: vmd v: 0.6
    bus-ID: 00:0e.0 chip-ID: 8086:a77f
Drives:
  Local Storage: total: 3.64 TiB used: 351.27 GiB (9.4%)
  ID-1: /dev/nvme0n1 vendor: Crucial model: CT4000P3PSSD8 size: 3.64 TiB speed: 63.2 Gb/s
    lanes: 4 serial: <filter> temp: 36.9 C
Partition:
  ID-1: / size: 3.64 TiB used: 351.02 GiB (9.4%) fs: btrfs dev: /dev/nvme0n1p3
  ID-2: /boot size: 973.4 MiB used: 241.1 MiB (24.8%) fs: ext4 dev: /dev/nvme0n1p2
  ID-3: /boot/efi size: 598.8 MiB used: 17.4 MiB (2.9%) fs: vfat dev: /dev/nvme0n1p1
  ID-4: /home size: 3.64 TiB used: 351.02 GiB (9.4%) fs: btrfs dev: /dev/nvme0n1p3
Swap:
  ID-1: swap-1 type: zram size: 8 GiB used: 534.5 MiB (6.5%) priority: 100 dev: /dev/zram0
Sensors:
  System Temperatures: cpu: 36.0 C mobo: N/A
  Fan Speeds (RPM): N/A
Repos:
  Packages: pm: rpm pkgs: N/A note: see --rpm pm: snap pkgs: 4
  No active dnf repos in: /etc/dnf/dnf.conf
  Active yum repos in: /etc/yum.repos.d/fedora-cisco-openh264.repo
    1: fedora-cisco-openh264 ~ https: //mirrors.fedoraproject.org/metalink?repo=fedora-cisco-openh264-$releasever&arch=$basearch
  Active yum repos in: /etc/yum.repos.d/fedora-modular.repo
    1: fedora-modular ~ https: //mirrors.fedoraproject.org/metalink?repo=fedora-modular-$releasever&arch=$basearch
  Active yum repos in: /etc/yum.repos.d/fedora-updates-modular.repo
    1: updates-modular ~ https: //mirrors.fedoraproject.org/metalink?repo=updates-released-modular-f$releasever&arch=$basearch
  No active yum repos in: /etc/yum.repos.d/fedora-updates-testing-modular.repo
  No active yum repos in: /etc/yum.repos.d/fedora-updates-testing.repo
  Active yum repos in: /etc/yum.repos.d/fedora-updates.repo
    1: updates ~ https: //mirrors.fedoraproject.org/metalink?repo=updates-released-f$releasever&arch=$basearch
  Active yum repos in: /etc/yum.repos.d/fedora.repo
    1: fedora ~ https: //mirrors.fedoraproject.org/metalink?repo=fedora-$releasever&arch=$basearch
  Active yum repos in: /etc/yum.repos.d/google-chrome.repo
    1: google-chrome ~ https: //dl.google.com/linux/chrome/rpm/stable/x86_64
Info:
  Processes: 513 Uptime: 1d 14h 42m Memory: available: 15.35 GiB used: 8.07 GiB (52.6%)
  Init: systemd v: 253 target: graphical (5) default: graphical Compilers: N/A Client: Unknown
  python3.11 client inxi: 3.3.27

Unfortunately though helpful in many ways, that output from inxi does not assist in this case.

While your system is exibiting the noted behavior please run journalctl -b | tail -200 and paste the data here so one can see what is being logged. One may change the numerical value in that command to include enough data to see a full cycle of sleep (with lock screen) and wakeup.

endlisnis · July 23, 2023, 5:54pm

Thanks for the suggestion. I tried what you asked and the data is at the end.

The screens turned off at roughly 13:48:50 ± 10s in my log, and then turned back on around 13:49:00.

All I see in that list is “blob data” which I’m guessing is from a podman container I’m running.

Jul 23 13:44:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:44:45 endlisnis12 weather[3067]: [6.8K blob data]
Jul 23 13:44:45 endlisnis12 weather[3067]: [6.1K blob data]
Jul 23 13:45:35 endlisnis12 systemd[1327]: Starting tracker-extract-3.service - Tracker metadata extractor...
Jul 23 13:45:35 endlisnis12 systemd[1327]: Started tracker-extract-3.service - Tracker metadata extractor.
Jul 23 13:45:45 endlisnis12 weather[3067]: [8.1K blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [7.7K blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [10B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [6.5K blob data]
Jul 23 13:45:45 endlisnis12 weather[3067]: [6.1K blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [7.8K blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [7.7K blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [10B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [7.6K blob data]
Jul 23 13:46:45 endlisnis12 weather[3067]: [6.4K blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [6.3K blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [7.7K blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [10B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:47:45 endlisnis12 weather[3067]: [8.0K blob data]
Jul 23 13:48:09 endlisnis12 weather[3067]: [6.3K blob data]
Jul 23 13:48:27 endlisnis12 NetworkManager[1162]: <info>  [1690134507.8926] device (wlp0s20f3): set-hw-addr: set MAC address to 6A:A1:1F:64:07:DB (scanning)
Jul 23 13:48:27 endlisnis12 NetworkManager[1162]: <info>  [1690134507.9088] device (wlp0s20f3): supplicant interface state: inactive -> disconnected
Jul 23 13:48:27 endlisnis12 NetworkManager[1162]: <info>  [1690134507.9088] device (p2p-dev-wlp0s20f3): supplicant management interface state: inactive -> disconnected
Jul 23 13:48:27 endlisnis12 NetworkManager[1162]: <info>  [1690134507.9139] device (wlp0s20f3): supplicant interface state: disconnected -> inactive
Jul 23 13:48:27 endlisnis12 NetworkManager[1162]: <info>  [1690134507.9139] device (p2p-dev-wlp0s20f3): supplicant management interface state: disconnected -> inactive
Jul 23 13:48:46 endlisnis12 weather[3067]: [9.1K blob data]
Jul 23 13:48:46 endlisnis12 weather[3067]: [4.7K blob data]
Jul 23 13:48:46 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:48:46 endlisnis12 weather[3067]: [4B blob data]
Jul 23 13:48:46 endlisnis12 weather[3067]: [4B blob data]
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Jul 23 13:48:46 endlisnis12 weather[3067]: [7.9K blob data]
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Jul 23 13:49:46 endlisnis12 weather[3067]: [6.3K blob data]
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Jul 23 13:49:46 endlisnis12 weather[3067]: [6.8K blob data]
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Jul 23 13:50:01 endlisnis12 geoclue[2068]: Failed to query location: No WiFi networks found

computersavvy · July 23, 2023, 6:23pm

There seems something seriously wrong with a config somewhere.
There are about 170 entries of the blob data with the same exact time stamp
Jul 23 13:47:45
The sequence then repeats 2 minutes later.

I would guess that whatever that is could be related to the inability to sleep.

This also may be some effect of the switch with fedora 38 to enable auto-suspend by default when the system is idle for 15 minutes (idle defined as no keyboard or mouse activity)

endlisnis · July 23, 2023, 8:26pm

All those “weather” blob entries are coming from a podman container that was running at the time. I can try it again without the container running (I know it’s reproducible without the container running).

endlisnis · July 25, 2023, 2:32am

I just reproduced it again without the container running, and journalctl -b | tail -200 show zero entries during the 5 minute period which included the screen timeout, and the screens turning off and back on.

Interesting enough, something funny happened the first time I tried to reproduce this.

My motherboard has 2 video outputs: 1 HDMI and 1 DP. Since the screens don’t shut themselves off anymore, I use a remote control that came with the screens to shut them off when I leave my computer. Occasionally, when I try to turn the screens back on, only one of them gets a signal from the computer. The other one is marked as disabled in the “display” control panel. If I manually enable it, then the screen comes back on and everything goes back to normal.

But, I tried waiting 5 minutes when just the CP monitor had a signal, and the screen did correctly turn off after 5 minutes.

So, this may only be a problem when both screens are enabled.

ozeszty · July 25, 2023, 4:40pm

Make sure signal cables are properly plugged in and test different cables - in both cases displays may work but with some issues.

endlisnis · July 28, 2023, 6:49pm

Thank you for the suggestion ozeszty. I tried using the exact same cables and monitors with a different computer (a Dell laptop running Windows 11). It was able to turn off both screens without trouble.

I also tried a different HDMI cable. It has the same problem with my Fedora 38 system.

So, it does not appear to be a problem with the cables, or with the monitors themselves.

It can’t be a problem with my software configuration, because the same thing happens when I run the Fedora Cinnamon Live CD.

This must be a problem with Fedora (or a hardware/firmware problem I suppose).

endlisnis · August 10, 2023, 1:40am

I’ve determined that it’s not limited to the screen saver / timed power management. If I run xset dpms force standby, the screens only turn off for a few seconds; and then they turn back on.

I even tried repeatedly running xset q once per second and logging the output while I ran xset dpms force standby in a different terminal window.

It says: Monitor is On, and then it transitions to Monitor is in Standby for 13 seconds, and then it goes back to Monitor is On.

On top of all of this, sometimes when it recovers from standby, it “forgets” about one of the screens.

And by “forgets”, I mean that one of the screens does not turn back on. It just stays off. If I go in to the display control panel, I see that the screen is disabled. I can re-enable it manually and then it turns back on.

There is something funny going on with power management here.

Any more ideas of how to debug this?

ozeszty · August 12, 2023, 8:23pm

Look at PM related kernel parameters for your CPU/GPU and check available bios settings.