https://bugs.kde.org/show_bug.cgi?id=520961
--- Comment #2 from Andy Hall <[email protected]> --- Here are some system specs, in case they're relevant: - Framework 13 laptop - Ryzen 7 7840U w/ Radeon 780M Graphics - One monitor is connected via the Framework HDMI adapter - One monitor is connected via the HDMI port on an Anker 341 USB-C Hub (7-in-1) ❯ lsusb | rg Anker Bus 005 Device 024: ID 291a:8346 AnkerInnovations Limited Anker USB-C Hub Device Here's the result of the commands you mentioned: ❯ ddcutil detect Invalid display I2C bus: /dev/i2c-2 DRM_connector: card1-eDP-1 EDID synopsis: Mfg id: BOE - BOE Model: NE135A1M-NY1 Product code: 3252 (0x0cb4) Serial number: Binary serial number: 0 (0x00000000) Manufacture year: 2023, Week: 52 This monitor does not support DDC/CI. (I2C slave address x37 is unresponsive.) Invalid display I2C bus: /dev/i2c-13 DRM_connector: card1-DP-2 EDID synopsis: Mfg id: ACR - Acer Technologies Model: XV272U V3 Product code: 3223 (0x0c97) Serial number: A411028D23LIJ Binary serial number: 16843009 (0x01010101) Manufacture year: 2024, Week: 11 This monitor does not support DDC/CI. (I2C slave address x37 is unresponsive.) Invalid display I2C bus: /dev/i2c-15 DRM_connector: card1-DP-4 EDID synopsis: Mfg id: ACR - Acer Technologies Model: XV272U V3 Product code: 3178 (0x0c6a) Serial number: 94081077E4215 Binary serial number: 1082197886 (0x4081077e) Manufacture year: 2024, Week: 8 DDC communication failed ❯ kscreen-doctor -o Output: 1 eDP-1 22be86db-33f8-4d1f-bbd3-a9e5995bec36 disabled connected priority 1 Panel replication source:0 Modes: 1:[email protected]*! 10:[email protected] 11:[email protected] 12:[email protected] 13:[email protected] 14:[email protected] 15:[email protected] 16:[email protected] 17:[email protected] 18:[email protected] 19:[email protected] 2:[email protected] 20:[email protected] 21:[email protected] 22:[email protected] 23:[email protected] 24:[email protected] 25:[email protected] 26:[email protected] 27:[email protected] 28:[email protected] 29:[email protected] 3:[email protected] 30:[email protected] 4:[email protected] 5:[email protected] 6:[email protected] 7:[email protected] 8:[email protected] 9:[email protected] Custom modes: None Geometry: 402,1152 1646x1098 Scale: 1.75 Rotation: 1 Overscan: 0 Vrr: Automatic RgbRange: unknown HDR: incapable Wide Color Gamut: incapable ICC profile: /home/ajhall/Downloads/BOE0CB4.icc Color profile source: sRGB Color power preference: prefer efficiency and performance Brightness control: supported, set to 25% and dimming to 100% Color resolution: automatic (10), range: [8; 16] bits per color Allow EDR: always Sharpness control: unsupported Automatic brightness: supported, disabled Output: 2 DP-4 5bb63d1c-dfed-43c8-908a-425a7ece7d00 enabled connected priority 1 DisplayPort replication source:0 Modes: 31:[email protected]! 32:[email protected] 33:[email protected] 34:[email protected] 35:[email protected] 36:[email protected]* 37:[email protected] 38:[email protected] 39:[email protected] 40:[email protected] 41:[email protected] 42:[email protected] 43:[email protected] 44:[email protected] 45:[email protected] 46:[email protected] 47:[email protected] 48:[email protected] 49:[email protected] 50:[email protected] 51:[email protected] 52:[email protected] 53:[email protected] 54:[email protected] 55:[email protected] 56:[email protected] 57:[email protected] 58:[email protected] 59:[email protected] 60:[email protected] 61:[email protected] 62:[email protected] 63:[email protected] 64:[email protected] 65:[email protected] 66:[email protected] 67:[email protected] 68:[email protected] 69:[email protected] 70:[email protected] 71:[email protected] 72:[email protected] 73:[email protected] 74:[email protected] 75:[email protected] 76:[email protected] 77:[email protected] 78:[email protected] 79:[email protected] 80:[email protected] 81:[email protected] 82:[email protected] Custom modes: None Geometry: 2048,0 2048x1152 Scale: 1.25 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic HDR: disabled Wide Color Gamut: disabled ICC profile: none Color profile source: sRGB Color power preference: prefer efficiency and performance Brightness control: unsupported DDC/CI: allowed Color resolution: automatic (10), range: [8; 16] bits per color Allow EDR: unsupported Sharpness control: unsupported Automatic brightness: unsupported Output: 3 DP-2 e2f04607-7d7a-42a2-8fbc-0fcc288a080e enabled connected priority 2 DisplayPort replication source:0 Modes: 100:[email protected] 101:[email protected] 102:[email protected] 103:[email protected] 104:[email protected] 105:[email protected] 106:[email protected] 107:[email protected] 108:[email protected] 109:[email protected] 110:[email protected] 111:[email protected] 112:[email protected] 113:[email protected] 114:[email protected] 115:[email protected] 116:[email protected] 117:[email protected] 118:[email protected] 119:[email protected] 120:[email protected] 121:[email protected] 122:[email protected] 123:[email protected] 124:[email protected] 125:[email protected] 126:[email protected] 127:[email protected] 128:[email protected] 83:[email protected]*! 84:[email protected] 85:[email protected] 86:[email protected] 87:[email protected] 88:[email protected] 89:[email protected] 90:[email protected] 91:[email protected] 92:[email protected] 93:[email protected] 94:[email protected] 95:[email protected] 96:[email protected] 97:[email protected] 98:[email protected] 99:[email protected] Custom modes: None Geometry: 0,0 2048x1152 Scale: 1.25 Rotation: 1 Overscan: 0 Vrr: incapable RgbRange: Automatic HDR: disabled Wide Color Gamut: disabled ICC profile: none Color profile source: sRGB Color power preference: prefer efficiency and performance Brightness control: unsupported DDC/CI: allowed Color resolution: automatic (10), range: [8; 16] bits per color Allow EDR: unsupported Sharpness control: unsupported Automatic brightness: unsupported I know this behavior used to work fine in recent memory, but I can't remember exactly when it started. I have a script to restart Plasma that I created on 2025-11-18, and I would have guessed that this started sometime in the last 6 months or so, so that sounds about right. -- You are receiving this mail because: You are watching all bug changes.
