Public bug reported: Newer VBIOS on DCN 3.5 bumped the version of IntegratedInfo table from 2.2 to 2.3. This version uses same structure. Version 2.3 is missing from the construct_integrated_info() parser, so it leads to NULL pointer dereference.
Fix landed to upstream v6.9-rc7: 9a35d205f466 ("drm/amd/display: Atom Integrated System Info v2_2 for DCN35") ** Affects: hwe-next Importance: Undecided Status: New ** Affects: linux (Ubuntu) Importance: Undecided Status: Fix Released ** Affects: linux-oem-6.8 (Ubuntu) Importance: Undecided Status: Invalid ** Affects: linux (Ubuntu Noble) Importance: Undecided Status: In Progress ** Affects: linux-oem-6.8 (Ubuntu Noble) Importance: High Assignee: You-Sheng Yang (vicamo) Status: In Progress ** Affects: linux (Ubuntu Oracular) Importance: Undecided Status: Fix Released ** Affects: linux-oem-6.8 (Ubuntu Oracular) Importance: Undecided Status: Invalid ** Tags: amd oem-priority originate-from-2065426 ** Tags added: amd oem-priority originate-from-2065426 ** Also affects: linux-oem-6.8 (Ubuntu) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux-oem-6.8 (Ubuntu Noble) Importance: Undecided Status: New ** Also affects: linux (Ubuntu Oracular) Importance: Undecided Status: New ** Also affects: linux-oem-6.8 (Ubuntu Oracular) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Oracular) Status: New => Fix Released ** Changed in: linux (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.8 (Ubuntu Noble) Status: New => In Progress ** Changed in: linux-oem-6.8 (Ubuntu Noble) Importance: Undecided => High ** Changed in: linux-oem-6.8 (Ubuntu Noble) Assignee: (unassigned) => You-Sheng Yang (vicamo) ** Changed in: linux-oem-6.8 (Ubuntu Oracular) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2066233 Title: amdgpu hangs on DCN 3.5 at bootup: RIP: 0010:dcn35_clk_mgr_construct+0x183/0x2210 [amdgpu] To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2066233/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs