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Such options are required in .config file of xen if compiled as standalone binary:

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Xen cmdline’s parameters loglvl=... and guest_loglvl=... can be switch switched to all.

For TRS this can be achieved by editing the cmdline in file meta-ledge-secure/meta-ledge-secure/dynamic-layers/meta-virtualization/recipes-extended/xen/files/xen.cfg.in :

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It is observed that some PCIe cards might have issues negotiating power management policies and may produce AER events/messages. There is an option in BIOS to handle such messages in BIOS firmware instead but it is untested.

However, the PCIe ASPM can be disabled via Linux kernel cmdline:

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The AER messages also could be suppressed using:

Code Block
pci=noaer

The https://docs.ipi.wiki/com-hpc/ava/firmware_A2Versions.html suggests that AER events can be caused by incorrect payload size which can be re-configured in BIOS.