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Re: [hylafax-users] High failure rate on sending
Daniel Hillhouse wrote:
Nov 04 13:57:06.99: [ 7935]: SEND recv PPR (partial page request)
Nov 04 13:57:06.99: [ 7935]: <-- [9:AT+FRS=7\r]
Nov 04 13:57:07.01: [ 7935]: --> [2:OK]
Nov 04 13:57:07.01: [ 7935]: SEND send frame number 0
Nov 04 13:57:07.01: [ 7935]: SEND send frame number 1
Nov 04 13:57:07.01: [ 7935]: SEND send frame number 59
Nov 04 13:57:07.01: [ 7935]: SEND send frame number 60
Nov 04 13:57:07.01: [ 7935]: SEND send frame number 61
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 62
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 63
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 122
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 123
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 124
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 125
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 126
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 186
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 187
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 188
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 189
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 190
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 248
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 249
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 250
Nov 04 13:57:07.02: [ 7935]: SEND send frame number 251
Nov 04 13:57:07.03: [ 7935]: SEND send frame number 252
Notice that there seem to be "chunks" of data that need to get resent...
frames 0-1, 59-63, 122-126, 186-190, 248-252. This is highly suspicious
of sender-side flow-control errors between HylaFAX and the modem. In
simple terms, I think that your modem has broken flow control for
whichever flow-control setting you are using in your modem config file.
So in your modem config file if you have "ModemFlowControl: xonxoff"
please change that to "rtscts" or vice-versa. If you have no
ModemFlowControl entry in your modem config file then add
"ModemFlowControl: rtscts".
Nov 04 13:58:11.09: [ 7935]: SEND recv RNR (receive not ready)
Nov 04 13:58:11.09: [ 7935]: <-- [9:AT+FRS=7\r]
Nov 04 13:58:11.11: [ 7935]: --> [2:OK]
Nov 04 13:58:11.11: [ 7935]: Receiver flow control exceeded timer.
This happens when sending to some receivers and for some reason the data
that the receiver gets is unintelligible. The fact that you had to
retransmit frame 0 so many times makes things even more suspicious.
Anyway, fix the flow control problem and then see how things go.
Lee.
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