Public bug reported: [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] 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 ** Affects: linux (Ubuntu) Importance: Undecided Assignee: koba (kobako) Status: In Progress ** Affects: linux-oem-5.14 (Ubuntu) Importance: Undecided Status: New ** Affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Affects: linux-oem-5.14 (Ubuntu Focal) Importance: Undecided Assignee: koba (kobako) Status: In Progress ** Affects: linux (Ubuntu Jammy) Importance: Undecided Assignee: koba (kobako) Status: In Progress ** Affects: linux-oem-5.14 (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux-oem-5.14 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux-oem-5.14 (Ubuntu Jammy) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Focal) Importance: Undecided Status: New ** Also affects: linux-oem-5.14 (Ubuntu Focal) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Jammy) Status: New => In Progress ** Changed in: linux (Ubuntu Jammy) Assignee: (unassigned) => koba (kobako) ** Changed in: linux-oem-5.14 (Ubuntu Focal) Status: New => In Progress ** Changed in: linux-oem-5.14 (Ubuntu Focal) Assignee: (unassigned) => koba (kobako) ** Description changed: [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] - Defeatur the underrun feature for intel display gen13+. + 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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1954728 Title: Fix No Screen after login to Desktop on sku with 3840x2400 panel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1954728/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs