Messages in this thread | | | Date | Fri, 18 Feb 2000 02:34:14 -0500 (EST) | From | "Mike A. Harris" <> | Subject | Re: char/Serial.c |
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On Mon, 14 Feb 2000, Uncle George wrote:
>Date: Mon, 14 Feb 2000 13:16:02 -0500 >From: Uncle George <gatgul@voicenet.com> >To: linux-kernel@vger.rutgers.edu >Subject: char/Serial.c > >Apparently my ttyS1 had an IRQ if 5 ( rather than the usual setting of >IRQ 3 ). It seems that the serial driver does not really detect the IRQ >settings at all . Without the proper IRQ settings, the port simply times >out, and does the next chunk of chars. Very slow, and chunks/fifo fills >are also not (always) in multiples of 16. > >My IRQ settings for ttyS2 & ttyS3 are not what serial.c expects as 4 & 3 >respectively ( i use 5 & 9 ), but the log in var/log/messages say thet >they were detected/set as 4 & 3. > >This failure to detect the port IRQ's seems to be a boo boo. Do I get to >annoy the last serial.c maintainer ( if there is still one )
The stock 2.2.x kernels have an autoconfigure serial IRQ option and it works fantastic on every machine I've used it on. My modem serial ports are usually on IRQ 2/9 or 11 or some other oddie, and it ALWAYS works... YMMV.
-- Mike A. Harris Linux advocate Computer Consultant GNU advocate Capslock Consulting Open Source advocate
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