Hello there,
I am developing custom DAHDI-based solution on FreeBSD. My work is based
on already working DAHDI port by Max Khon, called dahdi-kmod26.
I am using TE820 8-port Digium cards in HDLC mode. The problem I am
observing is that starting from the very beginning (just after loading
dahdi modules) latency bumps quickly up to it's max (127ms) and never
goes down. After turning on debugging messages, I observe flood of
Missed interrupt messages.
My guess is that it is because interrupt handling routine takes too much
time to complete. I made sure interrupts are not shared, but it did not
change anything. Then I tried setting 'ms_per_irq' to 2,4,8 and 16. That
did not change anything either.
I do not have access to hardware manual, so I am unsure of how exactly
interrupts handling should work in this case.
I would appreciate any clues and suggestions on how to improve the
latency situation.
Also, could anyone explain what exactly 'rxident' is ?
Sincerely,
-LW
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