Re: [SOLVED] Serial buffer corruption [was Re: FTDI usb-serialpossible bug]

From: Alan Cox
Date: Sun May 06 2007 - 12:43:01 EST


> To conclude, the store the *last* N bytes received seems a more
> reasonable policy for the input buffers managed by the kernel. If the

For your use maybe, but it is not the normal behaviour and it is not the
behaviour supported by hardware, which generally buffers the first few
bytes (and some things like Apple localtalk actually rely upon this)

> other policy is used (as tty does), then the kernel should flush all
> the buffers he *can* physically flush, remaining inside the host
> computer of course.

It certainly does no harm to try and do the job as best you can.
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