lkml.org 
[lkml]   [2001]   [Mar]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: tts/0: 1 input overrun(s)

On Tue, 6 Mar 2001, James Stevenson wrote:
> with the serial port it has a buffer when it recives data the
> serial port buffer will fill up if data is not read quickly enough
> the buffer will overflow hence the 1 input overrun
>
> to fix it your could try to reduce the data rate to the serial port
> and what type of UART do you have in that port ?

I don't think this should be normal.
The relevant dmesg part:
Serial driver version 5.02 (2000-08-09) with MANY_PORTS SHARE_IRQ
SERIAL_PCI ISAPNP enabled
ttyS00 at 0x03f8 (irq = 4) is a 16550A
ttyS01 at 0x02f8 (irq = 3) is a 16550A

I am using 115200.

Balazs Pozsar.

> >Hi all,
> >
> >I get the following message:
> > tts/0: 1 input overrun(s)
> >
> >each time while downloading pictures from my digital camera via ttyS0,
> >_and_ switching between an X session and textmode console.
> >(ie, 1 switch -> 1 error)
> >
> >This is with 2.4.1. I don't remember getting these with 2.2
> >This error also means a transmit error (gphoto reports error and a packet
> >has to be retransferred.)
> >
> >What is this? Why I'm getting it? What should I do? :)
> >
> >bye,
> >Balazs Pozsar.
> >
> >-
> >To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> >the body of a message to majordomo@vger.kernel.org
> >More majordomo info at http://vger.kernel.org/majordomo-info.html
> >Please read the FAQ at http://www.tux.org/lkml/
> >
>
>
>

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:29    [W:0.893 / U:0.072 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site