Hey y'all, same here, a recent upgrade appears to have introduced the extra display and with it some trouble with attaching external displays...
``` $ lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Meteor Lake-P [Intel Arc Graphics] (rev 08) $ grep 'model name' /proc/cpuinfo | head -1 model name : Intel(R) Core(TM) Ultra 7 155H $ cat /sys/class/drm/card0/device/uevent DRIVER=simple-framebuffer MODALIAS=platform:simple-framebuffer $ cat /sys/class/drm/card1/device/uevent DRIVER=i915 PCI_CLASS=30000 PCI_ID=8086:7D55 PCI_SUBSYS_ID=17AA:231E PCI_SLOT_NAME=0000:00:02.0 MODALIAS=pci:v00008086d00007D55sv000017AAsd0000231Ebc03sc00i00 $ uname -r 6.8.0-51-generic ``` I can dig into it a bit later and find the offending change -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2084046 Title: [i915] Phantom "Unknown" display detected on Intel Meteor Lake Status in linux package in Ubuntu: Confirmed Status in linux source package in Noble: Confirmed Status in linux source package in Oracular: Confirmed Bug description: Settings is reporting a second display ("Unknown") is connected. This is on a laptop which has nothing plugged in and only an Intel GPU. It appears the problem is once again (like bug 2060268) SimpleDRM: Node: /dev/dri/card0 ├───Driver: simpledrm (DRM driver for simple-framebuffer platform devices) version 1.0.0 (0) -- Node: /dev/dri/card1 ├───Driver: i915 (Intel Graphics) version 1.6.0 (0) Linux version 6.11.0-8-generic (buildd@lcy02-amd64-042) (x86_64-linux- gnu-gcc-14 (Ubuntu 14.2.0-4ubuntu2) 14.2.0, GNU ld (GNU Binutils for Ubuntu) 2.43.1) #8-Ubuntu SMP PREEMPT_DYNAMIC Mon Sep 16 13:41:20 UTC 2024 (Ubuntu 6.11.0-8.8-generic 6.11.0) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2084046/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
