This bug is awaiting verification that the linux-oem-5.14/5.14.0-1012.12 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-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.
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: verification-needed-focal -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-5.14 in Ubuntu. https://bugs.launchpad.net/bugs/1954728 Title: Fix No Screen after login to Desktop on sku with 3840x2400 panel Status in HWE Next: New Status in OEM Priority Project: In Progress Status in linux package in Ubuntu: In Progress Status in linux-oem-5.14 package in Ubuntu: New Status in linux source package in Focal: New Status in linux-oem-5.14 source package in Focal: Fix Committed Status in linux source package in Jammy: In Progress Status in linux-oem-5.14 source package in Jammy: New Bug description: [Impact] Got kernel report CPU pipe A FIFO underrun: soft,transcoder kernel: i915 0000:00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun: soft,transcoder, [Fix] Fix has been landed on linux-next, 4fe7907f3775(drm/i915/display/adlp: Disable underrun recovery). Defeature the underrun feature for intel display gen13+. [Test Case] 1. change resolution to 3840x2400 2. monitor works well and doesn't black out. [Where problems could occur] low To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1954728/+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