** Description changed: [Impact] + the previous commit has been SRUed that enable CONFIG_INTEL_IOMMU_DEFAULT_ON. + https://bugs.launchpad.net/subiquity/+bug/1937295 + but it would caused the regression with AMD/NVIDIA GPUs. + https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1965882 + https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1971146 + + [Fix] + Revert the vmd: Revert 2565e5b69c44 ("PCI: vmd: Do not disable MSI-X remapping if interrupt remapping is enabled by IOMMU.") + Assign VMD irq domain before enumeration, irq domain comes from pci driver. + + [Test Case] + 1. In BIOS, change to VMD + 2. Check if SKU could boot-up. + + [Where problems could occur] + it reduce the affected region to only VMD.
** Tags added: oem-priority originate-from-1967153 somerville -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1976587 Title: Fix can't boot up after change to vmd To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1976587/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
