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SubjectRe: Huge console switching lags
> And what's the brilliant reason for this?  And don't give any BS about it
> taking too long inside an interrupt context -- we're switching consoles not
> start netscrape.

A console switch has to wait until queued I/O to that console is complete,
which in turn could take a measurable amount of time - so it has to block.
Also a console switch on a frame buffer with no hardware banking can take
a lot of time.

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