this is the result of booting with the upstream kernel with IOMMU turned on in the bios
** Attachment added: "upstream kernel with iommu" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+attachment/5051781/+files/IMG_20180209_115100.jpg -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1747463 Title: kernel crashes during boot unless IOMMU is disabled on Ryzen 1800X To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1747463/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
