Character Devices
Extended dumb serial options
Support for sharing serial interrupts
The fact that you have problems only on a port that shares an IRQ suggests that this may be the cause.
You might also want to enable "Support more than 4 serial ports" in the same location.
This is for 2.4.x kernels (I actually checked 2.4.19 source, as distributed by Debian).
At 11:39 AM 1/18/03 -0800, Alan Womack wrote:
after a few weeks hiatus, I am making another attempt at getting the last three serial ports of my STB4COM online.
My system:
LFS 3.3
Amptron 9100C
STB 4Com 4 port ISA serial board
I have ttyS00 on the motherboard working perfectly:
alan@webby:alan $ setserial -a /dev/ttyS00
/dev/ttyS00, Line 0, UART: 16550A, Port: 0x03f8, IRQ: 4
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: 3000
Flags: spd_normal skip_test
The Amptron 9100C only has 1 serial port on the motherboard.
Port 1 of the STB4COM port is also working perfectly:
alan@webby:alan $ setserial -a /dev/ttyS01
/dev/ttyS01, Line 1, UART: 16550A, Port: 0x02a8, IRQ: 3
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: 3000
Flags: spd_normal
Port 2 is giving me some timing issues, it suffers buffer overruns and takes between 10 and 30 seconds to send along bits of the text sent to it from another machine. There is no corruption to very short messages, it is just herky jerky and VERY VERY slow.
The port 2 is setup as:
root@webby:root# setserial /dev/ttyS02 -a
/dev/ttyS02, Line 2, UART: 16550A, Port: 0x02f8, IRQ: 15
Baud_base: 115200, close_delay: 50, divisor: 0
closing_wait: 3000
Flags: spd_normal
I have verified with flashlight and documentation I have the port and interrupt assigned correctly.
The next two ports ttyS03 ttyS04 also share interrupt 15. I am not sure if this is the issue in itself or not.
I have tried using term with baud rates of 300,9600,115200. None seem to help the stall before the text is output to STDOUT.
On my windows box I use Tera Term Pro and am sure of the settings.
Thoughts?
-- -------------------------------------------"Never tell me the odds!"-------- Ray Olszewski -- Han Solo Palo Alto, California, USA [EMAIL PROTECTED] ------------------------------------------------------------------------------- - To unsubscribe from this list: send the line "unsubscribe linux-newbie" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.linux-learn.org/faqs
