** Description changed: [Impact] - On Dell platforms using either Linux 6.11.0-1021-oem or 6.14.0-1005-oem, we observed call traces when unplugging a HDMI/DP/VGA cable from an external monitor. + On Dell platforms using either Linux 6.11.0-1021-oem or 6.14.0-1005-oem, we observed call traces when unplugging a HDMI/DP/VGA cable from an external monitor. [Fix] Apply the following patch from the mailing list amd-...@lists.freedesktop.org fixes the issue: - [PATCH 06/18] drm/amd/display: limit clear_update_flags to dcn32 and above While the patch is still under review, an SRU is required out of urgency. Link: https://lore.kernel.org/amd- gfx/20250710212941.630259-7-ivan.lip...@amd.com/ [Test Plan] 1. Boot into an Ubuntu OS 2. Connect a HDMI/DP/VGA cable into an external monitor - 3. Check whether a call trace appears + 3. Check whether a call trace appears [Where problems could occur] - This patch changes the behavior of AMD GPUs with DCN version higher than 3.2. It might cause regression on these GPUs. + This patch changes the behavior of AMD GPUs with DCN version lower than 3.2. It might cause regression on these GPUs.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2116908 Title: [AMDGPU] Call trace occurs when unplugging a HDMI/DP/VGA cable on Dell platforms To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2116908/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
