Re: pre-patch-2.0.31 try_to_free_page() messages

Alan Cox (alan@lxorguk.ukuu.org.uk)
Sun, 1 Jun 1997 20:08:45 +0100 (BST)


> Losing serial characters may not be an SMP problem. The current serial
> driver ungracefully drops characters on the floor once its buffer fills
> up:

The flip buffer can only fill at 1Mbit/second. The loss is coming from
failing to handle the UART interrupt in time