Hi Found following upstream patch - https://github.com/torvalds/linux/commit/40ce1121c1d76daf9048a86e36c83e469281b9fd which seems related to the issue.
i have Applied this patch and and tested issue is fixed. -- 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/1981554 Title: [Ubuntu-22.04] Video mode is not working with the external monitor Status in linux package in Ubuntu: Incomplete Bug description: Description: The SUT Dell EMC Poweredge R440 can not display video mode with external monitor when Ubuntu 22.04 boots. The video mode working properly under iDRAC virtual console. Steps to Reproduce: 1. Connect External monitor to SUT using VGA cable. 2. Mount ubuntu-22.04-live-server-amd64.iso by iDRAC virtual console. 3. Start to install the OS and click "Try or Install Ubuntu server". 4. The SUT can not display video mode with monitor when OS boots. Expected Results: Video mode should work properly when OS boots with external monitor. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1981554/+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
