Hi.
I'm trying to use a TS-SER4 on a TS7250. The board comes with settings of IRQ6
and
COM5 by default. This creates /dev/tts/4 and /dev/tts/5. In order to see all
four ports,
the COM setting must be 3 or less.
The problem is with the interrupts. The console log shows:
Serial driver version 5.05c (2001-07-08) with MANY_PORTS SHARE_IRQ enabled
ttyS02 at 0x89c003e8 (irq = 40) is a 16550A
ttyS03 at 0x89c002e8 (irq = 33) is a 16550A
ttyS04 at 0x89c003a8 (irq = 40) is a 16550A
ttyS05 at 0x89c002a8 (irq = 33) is a 16550A
Regardless as to what the jumper settings are.
If I leave the IRQ as 6, running getty on tts/2 locks up the system.
If I set the IRQ jumper to 7 (irq = 40), getty on tts/2 and tts/4 is ok, but
tts/3 or tts/5
either slowly shows a few characters at a time, or lock it up.
It looks like the serial drivers expects one interrupt for tts/2 and tts/4 and
another for
tts/3 and tts/5, but all four ports are on the same interrupt.
How can I configure to use all four ports with getty?
(I am using the default ts-2.4.26-ts11, straight out of the box).
Martin
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