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Re: [hylafax-users] hdlc errors
Failed to properly detect high-speed data carrier.
This error is a strong indicator that the sender did not get MCF or
CFR and has gone back to retransmit prologue frames or PPS/PPM.
Current HylaFAX CVS HEAD (to become 4.2.2 most likely) is much better
at handling these situations than previously. When you see this error
after updating, then it generally means that the sender disconnected
unexpectedly. Furthermore, if your modem supports AT+FAR=1, then
you'll do well to set Class1AdaptiveRecvCmd to it (if your modem
doesn't support it, then don't). You'll probably want to review
Class1RMPersistence after updating, also. (These are documented in
'man hylafax-config'.)
Well, I upgraded to CVS head, and I'm still having some problems. A
sample may be found below. I'm really suspicious about this line:
May 04 11:12:42.71: [11974]: --> [8:CONNECCT]
I have to think that this means something is seriously busted, but I
don't know what. I'm also suspicious about this bit (from a different
session):
May 04 12:27:17.52: [11974]: <-- [10:AT+FRM=48\r]
May 04 12:27:24.53: [11974]: --> [2:]
May 04 12:27:24.53: [11974]: --> [2:OK]
...Robert
The full document was not received because:
Failed to properly detect high-speed data carrier.
---- Transcript of session follows ----
May 04 11:12:25.90: [11974]: SESSION BEGIN 000000352 18568341111
May 04 11:12:25.90: [11974]: HylaFAX (tm) Version 4.2.1
May 04 11:12:25.90: [11974]: <-- [4:ATA\r]
May 04 11:12:32.16: [11974]: --> [7:CONNECT]
May 04 11:12:32.16: [11974]: ANSWER: FAX CONNECTION DEVICE '/dev/ttyS0'
May 04 11:12:32.16: [11974]: RECV FAX: begin
May 04 11:12:32.39: [11974]: --> [7:CONNECT]
May 04 11:12:32.42: [11974]: --> [7:CONNECT]
May 04 11:12:34.53: [11974]: --> [2:OK]
May 04 11:12:34.53: [11974]: <-- [9:AT+FRH=3\r]
May 04 11:12:34.90: [11974]: --> [7:CONNECT]
May 04 11:12:36.67: [11974]: --> [2:OK]
May 04 11:12:36.67: [11974]: REMOTE TSI "Silicon Valley Bank"
May 04 11:12:36.67: [11974]: <-- [9:AT+FRH=3\r]
May 04 11:12:36.69: [11974]: --> [7:CONNECT]
May 04 11:12:37.07: [11974]: --> [2:OK]
May 04 11:12:37.07: [11974]: REMOTE wants 14400 bit/s
May 04 11:12:37.07: [11974]: REMOTE wants A4 page width (215 mm)
May 04 11:12:37.07: [11974]: REMOTE wants unlimited page length
May 04 11:12:37.07: [11974]: REMOTE wants 7.7 line/mm
May 04 11:12:37.07: [11974]: REMOTE wants 2-D MMR
May 04 11:12:37.07: [11974]: REMOTE wants T.30 Annex A, 256-byte ECM
May 04 11:12:37.07: [11974]: RECV training at v.17 14400 bit/s
May 04 11:12:37.07: [11974]: <-- [11:AT+FRM=145\r]
May 04 11:12:38.86: [11974]: --> [7:CONNECT]
May 04 11:12:40.39: [11974]: RECV: TCF 2752 bytes, 0% non-zero, 2728
zero-run
May 04 11:12:40.40: [11974]: --> [10:NO CARRIER]
May 04 11:12:40.40: [11974]: DELAY 75 ms
May 04 11:12:40.48: [11974]: TRAINING succeeded
May 04 11:12:40.48: [11974]: <-- [9:AT+FTH=3\r]
May 04 11:12:41.35: [11974]: --> [7:CONNECT]
May 04 11:12:41.67: [11974]: --> [2:OK]
May 04 11:12:41.69: [11974]: <-- [11:AT+FRM=146\r]
May 04 11:12:42.71: [11974]: --> [8:CONNECCT]
May 04 11:12:42.71: [11974]: <-- [9:AT+FRH=3\r]
May 04 11:12:42.72: [11974]: -->
[120:ÿRÿÿÿÿÿÿïççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççççç]
May 04 11:12:42.72: [11974]: --> [13:ççççççççççç]
May 04 11:13:22.73: [11974]: MODEM <Timeout>
May 04 11:13:22.93: [11974]: MODEM <Timeout>
May 04 11:13:22.93: [11974]: RECV FAX: Failed to properly detect
high-speed data carrier.
May 04 11:13:22.93: [11974]: <-- [9:AT+FTH=3\r]
May 04 11:13:22.93: [11974]: RECV FAX (000000352): from Silicon Valley
Bank, page 1 in 0:42, INF, 7.7 line/mm, 2-D MMR, 14400 bit/s
May 04 11:13:22.93: [11974]: RECV FAX (000000352):
recvq/fax000000355.tif from Silicon Valley Bank, route to <unspecified>,
1 pages in 0:50
May 04 11:13:23.80: [11974]: --> [7:CONNECT]
May 04 11:13:24.12: [11974]: --> [2:OK]
May 04 11:13:24.12: [11974]: RECV FAX (000000352): session with Silicon
Valley Bank terminated abnormally: Failed to properly detect high-speed
data carrier.
May 04 11:13:24.12: [11974]: RECV FAX: bin/faxrcvd
"recvq/fax000000355.tif" "ttyS0" "000000352" "Failed to properly detect
high-speed data carrier."
May 04 11:13:24.12: [11974]: RECV FAX: end
May 04 11:13:24.15: [11974]: SESSION END
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