This bug is awaiting verification that the linux/6.8.0-50.51 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-noble-linux' to 'verification-done-noble-linux'. If the problem still exists, change the tag 'verification-needed-noble- linux' to 'verification-failed-noble-linux'.
If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you! ** Tags added: kernel-spammed-noble-linux-v2 verification-needed-noble-linux -- 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/2081786 Title: Fix blank screen on external display after reconnecting the USB type-C Status in HWE Next: New Status in linux package in Ubuntu: New Status in linux source package in Noble: Fix Committed Bug description: [SRU Justification] [Impact] The laptop of Intel RPL platform connects the external display via the HDMI/DisplayPort on a USB Type-C interfaced dock with dual type-C cable connected (WD19DC). The external display will stay blank after re-connect the docking station. It was observed on WD19DC with monitor 4K@60fps mode. [Fix] The upstream fix in kernel 6.11 594cf78dc36f ("drm/i915/dp_mst: Fix MST state after a sink reset") and its dependency are required. [Test Case] 1. Connect the external monitor via the WD19DC docking station to the Intel powered laptop 2. Switch the monitor to 4K resolution and maximum refresh rate (>= 60fps)cul 3. Re-plug the WD19DC and check if the external display comes back in blank or normal. [Where problems could occur] Only observed on particular docking station and monitor. The risk should be low. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2081786/+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
