$ sudo get-edid | parse-edid This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface No EDID on bus 0 No EDID on bus 1 No EDID on bus 2 No EDID on bus 3 No EDID on bus 4 No EDID on bus 5 No EDID on bus 6 No EDID on bus 8 1 potential busses found: 7 128-byte EDID successfully retrieved from i2c bus 7 Looks like i2c was successful. Have a good day. Checksum Correct
Section "Monitor" Identifier "" ModelName "" VendorName "CMN" # Monitor Manufactured week 38 of 2019 # EDID version 1.4 # Digital Display DisplaySize 340 190 Gamma 2.20 Option "DPMS" "false" Modeline "Mode 0" 152.84 1920 1968 2000 2250 1080 1083 1088 1132 +hsync -vsync Modeline "Mode 1" 101.89 1920 1968 2000 2250 1080 1083 1088 1132 +hsync -vsync EndSection -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.6 in Ubuntu. https://bugs.launchpad.net/bugs/1897501 Title: HP Zbook Studio G7 boots into corrupted screen with PSR featured panel Status in HWE Next: New Status in linux package in Ubuntu: In Progress Status in linux-oem-5.6 package in Ubuntu: Invalid Status in linux source package in Focal: In Progress Status in linux-oem-5.6 source package in Focal: In Progress Status in linux source package in Groovy: In Progress Status in linux-oem-5.6 source package in Groovy: Invalid Bug description: Sreen divided into half after installing Focal 5.4.0-48-generic under Power Saving/Hybrid Graphics Mode. Normal as switched to Discrete Graphics Mode. Screenshot attached as https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1897501/+attachment/5414860/+files/20200928_135412.jpg . With some more investigatin, https://git.launchpad.net/~ubuntu- kernel/ubuntu/+source/linux/+git/focal/commit/?id=d246a6cfe782 ("UBUNTU: SAUCE: drm/i915: Disable PSR by default on all platforms") for bug 1849947 is the root cause. This was landed to all Ubuntu kernels and Ubuntu only for kernel versions 5.0 and up till v5.9 unstable currently. It seems this panel must have PSR enabled. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-48-generic 5.4.0-48.52 ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60 Uname: Linux 5.4.0-48-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.9 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: gdm 964 F.... pulseaudio CasperMD5CheckResult: skip Date: Mon Sep 28 01:50:54 2020 InstallationDate: Installed on 2020-09-22 (5 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200218) MachineType: HP HP ZBook Studio G7 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic root=UUID=ac48cfe8-5fa7-410c-ad1b-53d1e2683841 ro quiet splash vt.handoff=7 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-48-generic N/A linux-backports-modules-5.4.0-48-generic N/A linux-firmware 1.187.3 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/18/2020 dmi.bios.vendor: HP dmi.bios.version: S91 Ver. 85.28.01 dmi.board.name: 8736 dmi.board.vendor: HP dmi.board.version: KBC Version 14.32.03 dmi.chassis.type: 10 dmi.chassis.vendor: HP dmi.modalias: dmi:bvnHP:bvrS91Ver.85.28.01:bd09/18/2020:svnHP:pnHPZBookStudioG7:pvr:rvnHP:rn8736:rvrKBCVersion14.32.03:cvnHP:ct10:cvr: dmi.product.family: 103C_5336AN HP ZBook dmi.product.name: HP ZBook Studio G7 dmi.sys.vendor: HP To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1897501/+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