We've narrowed a related (hopefully the same) issue down to being introduced in mutter!1968, which is the precursor to triple buffering. Not triple buffering itself, but part of the same patch.
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1441#note_1757415 ** Changed in: gnome-shell (Ubuntu) Assignee: (unassigned) => Daniel van Vugt (vanvugt) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2009687 Title: [lunar] Nvidia GPU unused but still powered Status in GNOME Shell: New Status in The Ubuntu Power Consumption Project: Triaged Status in gnome-shell package in Ubuntu: Triaged Bug description: Hi, Lenovo Legion 5 16" i7 12700H RTX 3070 Ti Nvidia 525 proprietary driver (official Ubuntu packages) Nvidia on-demand mode Ubuntu Wayland or Xorg sessions Ubuntu Lunar up to date I noticed a high power usage using powertop (or simply remaining time in g-c-c...). Nvidia driver seems offloaded but gpu power usage still shows ~ 9W -> 23W, random. uname -a Linux ****** 6.1.0-16-generic #16-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 24 14:37:30 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux nvidia-smi Wed Mar 8 10:59:21 2023 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 525.85.05 Driver Version: 525.85.05 CUDA Version: 12.0 | |-------------------------------+----------------------+----------------------+ | 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 Off | N/A | | N/A 34C P8 9W / 50W | 4MiB / 8192MiB | 0% Default | | | | N/A | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: | | GPU GI CI PID Type Process name GPU Memory | | ID ID Usage | |=============================================================================| | 0 N/A N/A 5445 G /usr/bin/gnome-shell 3MiB | +-----------------------------------------------------------------------------+ glxinfo -B name of display: :1 display: :1 screen: 0 direct rendering: Yes Extended renderer info (GLX_MESA_query_renderer): Vendor: Intel (0x8086) Device: Mesa Intel(R) Graphics (ADL GT2) (0x46a6) Version: 22.3.6 Accelerated: yes Video memory: 31821MB Unified memory: yes Preferred profile: core (0x1) Max core profile version: 4.6 Max compat profile version: 4.6 Max GLES1 profile version: 1.1 Max GLES[23] profile version: 3.2 OpenGL vendor string: Intel OpenGL renderer string: Mesa Intel(R) Graphics (ADL GT2) OpenGL core profile version string: 4.6 (Core Profile) Mesa 22.3.6 OpenGL core profile shading language version string: 4.60 OpenGL core profile context flags: (none) OpenGL core profile profile mask: core profile OpenGL version string: 4.6 (Compatibility Profile) Mesa 22.3.6 OpenGL shading language version string: 4.60 OpenGL context flags: (none) OpenGL profile mask: compatibility profile OpenGL ES profile version string: OpenGL ES 3.2 Mesa 22.3.6 OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20 lspci 00:00.0 Host bridge: Intel Corporation 12th Gen Core Processor Host Bridge/DRAM Registers (rev 02) 00:01.0 PCI bridge: Intel Corporation 12th Gen Core Processor PCI Express x16 Controller #1 (rev 02) 00:02.0 VGA compatible controller: Intel Corporation Alder Lake-P Integrated Graphics Controller (rev 0c) 00:04.0 Signal processing controller: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant (rev 02) 00:06.0 PCI bridge: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #0 (rev 02) 00:06.2 PCI bridge: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #2 (rev 02) 00:07.0 PCI bridge: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express Root Port #0 (rev 02) 00:0a.0 Signal processing controller: Intel Corporation Platform Monitoring Technology (rev 01) 00:0d.0 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 USB Controller (rev 02) 00:0d.2 USB controller: Intel Corporation Alder Lake-P Thunderbolt 4 NHI #0 (rev 02) 00:14.0 USB controller: Intel Corporation Alder Lake PCH USB 3.2 xHCI Host Controller (rev 01) 00:14.2 RAM memory: Intel Corporation Alder Lake PCH Shared SRAM (rev 01) 00:14.3 Network controller: Intel Corporation Alder Lake-P PCH CNVi WiFi (rev 01) 00:15.0 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #0 (rev 01) 00:15.1 Serial bus controller: Intel Corporation Alder Lake PCH Serial IO I2C Controller #1 (rev 01) 00:16.0 Communication controller: Intel Corporation Alder Lake PCH HECI Controller (rev 01) 00:1d.0 PCI bridge: Intel Corporation Device 51b0 (rev 01) 00:1d.1 PCI bridge: Intel Corporation Alder Lake PCI Express x1 Root Port #10 (rev 01) 00:1f.0 ISA bridge: Intel Corporation Alder Lake PCH eSPI Controller (rev 01) 00:1f.3 Audio device: Intel Corporation Alder Lake PCH-P High Definition Audio Controller (rev 01) 00:1f.4 SMBus: Intel Corporation Alder Lake PCH-P SMBus Host Controller (rev 01) 00:1f.5 Serial bus controller: Intel Corporation Alder Lake-P PCH SPI Controller (rev 01) 01:00.0 VGA compatible controller: NVIDIA Corporation GA104M [Geforce RTX 3070 Ti Laptop GPU] (rev a1) 01:00.1 Audio device: NVIDIA Corporation GA104 High Definition Audio Controller (rev a1) 05:00.0 Non-Volatile memory controller: SK hynix Gold P31/PC711 NVMe Solid State Drive 06:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller PM9A1/PM9A3/980PRO 34:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/2009687/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
