Re: [hylafax-users] MODEM WRITE ERROR: errno 5

To: "Patrick M." <patrickm@xxxxxxxxxx>
Subject: Re: [hylafax-users] MODEM WRITE ERROR: errno 5
From: Lee Howard <faxguy@xxxxxxxxxxxxxxxx>
Cc: hylafax-users@xxxxxxxxxxx
Date: Sat, 22 Dec 2007 11:14:45 -0800

Patrick M. wrote:

I have an internal Agere 56k WinModem using the martian drivers. When sending a fax to this machine, the fax machine responds with an error of "No Answer". When I tail /etc/hylafax/log/c000000009 I see this:

Dec 21 13:07:24.04: [ 3856]: SESSION BEGIN 000000009 14086811528
Dec 21 13:07:24.04: [ 3856]: HylaFAX (tm) Version 4.3.3
Dec 21 13:07:24.04: [ 3856]: <-- [4:ATA\r]
Dec 21 13:07:29.93: [ 3856]: --> [7:CONNECT]
Dec 21 13:07:29.93: [ 3856]: ANSWER: FAX CONNECTION  DEVICE '/dev/ttySM0'
Dec 21 13:07:29.93: [ 3856]: RECV FAX: begin
Dec 21 13:07:29.93: [ 3856]: <-- data [32]
Dec 21 13:07:29.93: [ 3856]: <-- data [2]
Dec 21 13:07:29.94: [ 3856]: --> [7:CONNECT]
Dec 21 13:07:29.94: [ 3856]: <-- data [23]
Dec 21 13:07:29.94: [ 3856]: <-- data [2]
Dec 21 13:07:29.95: [ 3856]: --> [7:CONNECT]
Dec 21 13:07:29.95: [ 3856]: <-- data [13]
Dec 21 13:07:29.95: [ 3856]: <-- data [2]
Dec 21 13:07:32.17: [ 3856]: --> [2:OK]
Dec 21 13:07:32.17: [ 3856]: <-- [9:AT+FRH=3\r]
Dec 21 13:07:32.24: [ 3856]: MODEM READ ERROR: errno 5
Dec 21 13:07:32.24: [ 3856]: --> [0:]
Dec 21 13:07:32.24: [ 3856]: MODEM <Empty line>
Dec 21 13:07:32.24: [ 3856]: DELAY 1500 ms
Dec 21 13:07:33.74: [ 3856]: <-- [9:AT+FTH=3\r]
Dec 21 13:07:56.24: [ 3856]: MODEM WRITE ERROR: errno 5
Dec 21 13:07:56.24: [ 3856]: DELAY 1500 ms
Dec 21 13:07:57.74: [ 3856]: <-- [9:AT+FTH=3\r]
Dec 21 13:08:08.24: [ 3856]: MODEM WRITE ERROR: errno 5
Dec 21 13:08:08.24: [ 3856]: RECV FAX: No answer (T.30 T1 timeout)

My kernel sees the modem, and it looks like it tries to connect, then I get the write error.

The write error means that the modem has either crashed entirely or has deadlocked. It's almost always an indication of a modem problem.

Thanks,

Lee.


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References:
- [hylafax-users] MODEM WRITE ERROR: errno 5
  - From: Patrick M.

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