Issue can be reproduced. [Steps] 1. Flash image genio-classic-desktop-2204-20240322-185 and boot into OS 2. Upgrade to the latest kernek version via command `sudo apt upgrade` 3. Plugt the serial cable for debugging, reboot DUT and append the "display-hdmi.dtbo" to list_dtbo variable in u-boot to configure the DUT as HDMI only 4. Make sure the DUT has booted up successfully via debug console 5. Plug HDMI cable to DUT and check there's video output on external HDMI monitor
[Additional Info] CID: 202307-31864 SKU: G1200-evk P1V3 Image: genio-classic-desktop-2204-20240322-185 Kernel Version: 5.15.0-1033-mtk #38-Ubuntu DTBO: display-hdmi.dtbo ** Attachment added: "journal.log" https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/2044664/+attachment/5807558/+files/journal.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2044664 Title: HDMI plugin after boot, but display can't work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/2044664/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs