When a PDomain powers up, the LDOM config might be set to factory-default after hardware replacements (Doc ID 2539449.1)

Last updated on SEPTEMBER 15, 2021

Applies to:

Symptoms

After hardware components such as CPU, memory or IO devices are replaced, the PDomain (Control domain) may power up and sets the LDOM config to factory-default.

Due to hardware problems, one or more FRU components may have been replaced. The FRU may be CPU (CMU or CMIOU), memory DIMMS and/or PCI devices.  When the PDomain (Control domain) is powered up after the FRU replacements, it is possible that the LDOM config that the Control domain is booting up with may be replaced to factory-default configuration.  Messages similar to the following but not limited to the following will be seen. The actual resources listed in the following messages will vary depending on the FRU replaced.

 The missing resources such as cpu, memory or IO devices will be listed before showing the LDOM config of factory-default.

<xxxx-xx-xx xx:xx:xx> 7:00:0> WARNING: Missing guest memory [0x400050000000:0x400400000000]
<xxxx-xx-xx xx:xx:xx> 7:00:0> WARNING: Missing required memory resources to boot config
<xxxx-xx-xx xx:xx:xx> 7:00:0> WARNING: Unable to boot ldom_config_active_2019_01_01 due to missing resources
<xxxx-xx-xx xx:xx:xx> 7:00:0> WARNING: Falling back to factory-default
<xxxx-xx-xx xx:xx:xx> 7:00:0> NOTICE: Booting config = factory-default

Cause

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