I've found a workaround for this problem by passing the "iommu=soft" to the kernel!!! Amazing, everything works!
it is something that has to do with AMD iommu module and kernel incompatibilities. -- suspend and hibernate may cause data corruption because it doesn't syncs nor umounts external drives previously https://bugs.launchpad.net/bugs/198125 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs