Confirmed on a Lenovo ThinkPad P16s Gen 4 AMD (Ryzen AI 9 HX PRO 370, Radeon 890M / Strix Point) running Ubuntu 24.04 with 6.17.0-1032-oem.
The system froze while copying text from Chrome to Neovim. The previous boot shows repeated soft lockups at 27s and 53s in the exact amdgpu_device_rreg → dmub_srv_wait_for_idle → dmub_abm_set_pipe → amdgpu_dm_atomic_commit_tail path. The loaded DMCUB firmware is 0x09000D00; the decompressed dcn_3_5_dmcub.bin SHA-256 is 3849f6e2dd33c24977254f486710be9ee8f51fb5dad4b442444e119ced0c55d5. Installed package: linux-firmware-amd-graphics 20240318.git3b128b60-0ubuntu3.2. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2163311 Title: linux-firmware 0ubuntu2.29 regresses DMCUB on DCN 3.5 (Strix Point) causing SDMA0 fence timeout and kernel Oops To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2163311/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
