The patch mentioned in the upstream bug report and comment #25 never landed in mainline. I tried to apply it to Bionic, but it does not apply cleanly. I'll work on back porting it. I'll post a test kernel shortly. We can then update upstream with testing results.
-- 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/linux/+bug/1747463/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
