Diagnostics and troubleshooting
These resources are useful when diagnosing and solving problems for Ubuntu Server 20.04.1.
Restrictions
For prerequisites and restrictions see the IBM® LinuxONE and IBM Z® architecture-specific information in the Ubuntu Server 20.04.1 release notes atwiki.ubuntu.com/FocalFossa/ReleaseNotes
When reporting a problem to IBM Support, you might be asked to supply a kernel dump. See Using the Dump Tools, SC33-8412 for information about how to create dumps.