Cinelerra-gg AppImage doesn't show my mounted drives

This will show you how to find out all about parameter options on your system

If you view the config file in /boot and search for either IOMMU or USB you will see the huge range of possible parameter choices, most of which are irrelevent. There seems to be no recipe for finding the parameters relevant to a given problem

There is also a kernel.org document

https://www.kernel.org/doc/Documentation/x86/x86_64/boot-options.txt

it seems incomplete to me, but it does give some information

The absolute full list is here
https://www.kernel.org/doc/html/v4.14/admin-guide/kernel-parameters.html

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