Diagnostics and troubleshooting

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Ubuntu 22.04 LTS LPAR mode z/VM guest KVM guest

These resources are useful when diagnosing and solving problems for Ubuntu Server 22.04 LTS.

Restrictions

For prerequisites and restrictions see the IBM® LinuxONE and IBM Z® architecture-specific information in the Ubuntu Server 22.04 LTS release notes at https://discourse.ubuntu.com/t/jammy-jellyfish-release-notes

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.