** Description changed: + [Impact] + * Without bootindex specified there is no IPL parmblock on KVM which can be read by the stage3 loader. + * Backported to allow IBM Z users to boot KVM machines without secure initial program loader (IPL) data and without bootindex= parameter specified + + [Test Case] + * prepare a new non-secure IPL and try booting via this IPL, without specifying the bootindex= parameter + * check if stage3 loader runs successfully + + [Regression Potential] + + * regressions in zipl/stage3 could break newly created IPLs + * If an IPL is broken, the boot sequence on IBM Z machines could not work + * the package is only available on s390x and thus could only affects IBM Z machines + * Existing boot devices / IPLs would not be affected + + [Other Info] + * Needs to be tested/verified by IBM internally + * Patch is included in upstream 2.14.0 release + * Related to LP: #1892350 and LP: #1893027 + + === Original Description === Description: zipl: Fix KVM IPL without bootindex Symptom: Failed IPL on KVM when no bootindex is specified. Problem: Without bootindex specified there is no IPL parmblock - on KVM which can be read by the stage3 loader. + on KVM which can be read by the stage3 loader. Solution: In case diag308 gives a response code 0x102 the stage3 - loader can safely assume that no secure IPL is required - since no IPL report block exists. + loader can safely assume that no secure IPL is required + since no IPL report block exists. Reproduction: IPL on KVM without 'bootindex=' attached. Upstream-ID: c9066bf5497300db5e0ba11bf111683ea225d8c8 - b7f1977d3f9332f82e7f388fb18076b89b83944e + b7f1977d3f9332f82e7f388fb18076b89b83944e Component: s390-tools 2.14 Should also be integrated into 20.04, where secure boot is enabled.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888231 Title: [UBUNTU 20.04] zipl: Fix KVM IPL without bootindex To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1888231/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
