** Description changed: [Impact] There are one or more monitors connect to the dock and then plug the dock cable to power up the Dell machine, the external monitors keeps blank. [Fix] The issue has been fixed in v6.2-rc1 and the first bad commit is 08fb97de03aa drm/sched: Add FIFO sched policy to run queue [Test] Verified with the WD22TB + 2 4k DP monitors. [Where problems could occur] + Actually, there is no functional changes with default RR sched policy, but it accidentialy fixes the blank screen issue.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-6.1 in Ubuntu. https://bugs.launchpad.net/bugs/2008860 Title: The external monitor is blank if plug in the dock cable to power up the machine Status in HWE Next: New Status in linux-oem-6.1 package in Ubuntu: Invalid Status in linux-oem-6.1 source package in Jammy: In Progress Bug description: [Impact] There are one or more monitors connect to the dock and then plug the dock cable to power up the Dell machine, the external monitors keeps blank. [Fix] The issue has been fixed in v6.2-rc1 and the first bad commit is 08fb97de03aa drm/sched: Add FIFO sched policy to run queue [Test] Verified with the WD22TB + 2 4k DP monitors. [Where problems could occur] Actually, there is no functional changes with default RR sched policy, but it accidentially fixes the blank screen issue. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2008860/+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