I don't expect it helps your boot issue, but the UBSAN issue will be fixed by this commit.
https://lore.kernel.org/amd- gfx/78abc334-44ed-4632-8796-6bbe9c432...@amd.com/T/#me31ff6b88640b03be1a8edfc6fc8878ac78ca6bb Please redo the test with 5.15. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2036742 Title: amdgpu crash on Mantic Status in linux package in Ubuntu: Confirmed Bug description: [Impact] Booting from USB the latest Mantic Desktop daily image (2023-09-20), just after the initial logs, nothing is displayed on screen. The system is still alive since _autoinstall_ works as intended. Once provisioned, the problem is still present. It seems related to https://bugs.launchpad.net/ubuntu/+source/linux- firmware/+bug/2029396 . dmesg attached. [Test Case] Live boot Ubuntu Mantic Desktop canary (2023-09-19) [Where Problems Could Occur] Dell Optiplex 5090 - Intel Core(TM) i7-11700 - Advanced Micro Devices, Inc. [AMD/ATI] - 1002:699f To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2036742/+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
