On Fri, Mar 11, 2022 at 04:43:22PM +0100, Roger Pau Monné wrote: > Sorry, maybe this wasn't clear. My suggestion was not to just do this > fix and call it done, but rather to add this check for sanity and then > figure out how to properly handle this specific device.
Yes, I agree. Having it properly configured is preferred. Linux manages to do that, but I'm not sure how exactly. But ... > So adding the check here is not a workaround in order to support Intel > LPSS, but rather a generic fix to ns16550 for an issue which happens > to be triggered by Intel LPSS. We would still need to figure how to > handle that specific Line value. I haven't looked at the docs, will do > on Monday hopefully. ... having fallback to a poll mode is still better than crashing the hypervisor or not using such console at all. -- Best Regards, Marek Marczykowski-Górecki Invisible Things Lab
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