Re: linux interrupt handling problem

Alan Cox (alan@lxorguk.ukuu.org.uk)
Thu, 11 Nov 1999 22:04:24 +0000 (GMT)


> dropping characters, the effect was caused by the console driver or xterm
> + minicom combination. Using cat on /dev/ttyS1 resulted in a steady and
> uninterrupted stream of data. Which leads me to wonder: does X disable
> interrupts?

Except for clock programming on a few boards, no.

However a lot of bus arbitrators on PC let PCI bus stomp ISA/internal stuff
indefinitely. Thus a big video copy will make audio stutter and annoy serial
ports

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