USR Internal modem question

From: Hans Fiedler (hans_at_hermes.louisville.edu)
Date: 05/17/03

  • Next message: Killing: "Re: open and euid security flaw in 5.0-Current?" 
    Date: Sat, 17 May 2003 05:26:08 -0400
To: freebsd-hackers@freebsd.org

    I'm trying to get a USR internal modem, working and am getting something
    I've never seen before. I've done quite a few modems in the past, but
    they've all been external, and I've never seen anything quite like this.

    I've got both an internal and external sportster on the same system,
    although I'd like to just use the internal, since it's a 1U rackmount
    system with a single serial port that I'd like to use as a console port.

    When I call into the external modem everything works fine. When I call
    into the internal modem the Password prompt stays on the same line as the
    userid that was typed in. After logging in everything seems to work fine
    except there are no prompts from the shell. If I use watch from another
    session telneted in it looks like the system is putting the return after
    entering the userid and the prompts in the buffers, but they're not getting
    sent out the modem.

    The system is an IBM x305 with a single build in serial port, running
    FreeBSD 5.0-RELEASE-p7. The serial is sio0 and the PCI modem is sio4.
    There aren't any settings on the internal modem card itself, dips or
    jumpers, so I seem to be stuck with what PnP gives me.

    The external modem (ati3) id's itself as "U.S. Robotics 33600 Fax V5.8.3"
    and the internal modem id's as "U.S. Robotics 56K FAX INT V5.22.45". The
    internal is the performance pro, not a winmodem. The modem settings are
    identical; The only difference I can see is one is internal and the other
    is external, The startup messages about the serial ports are

    sio0: <3COM PCI FaxModem> port 0x5000-0x5007 irq 3 at device 2.0 on pci1
    sio0: moving to sio4
    sio4: type 16550A
    sio0 at port 0x3f8-0x3ff irq 4 flags 0x10 on isa0
    sio0: type 16550A
    sio1: configured irq 3 not in bitmap of probed irqs 0
    sio1: port may not be enabled

    These are the various modem and config files. 

    ---
U.S. Robotics 33600 Fax Settings...
   B0  E0  F1  M0  Q1  V1  X4  Y0
   BAUD=38400  PARITY=N  WORDLEN=8
   DIAL=TONE    ON HOOK   CID=0
   &A3  &B1  &C1  &D2  &G0  &H1  &I0  &K1
   &M4  &N0  &P0  &R2  &S1  &T4  &U0  &Y1  
   S00=001  S01=000  S02=043  S03=013  S04=010  S05=008  S06=002
   S07=060  S08=002  S09=006  S10=007  S11=070  S12=050  S13=001
   S15=000  S16=000  S18=000  S19=000  S21=010  S22=017  S23=019
   S25=005  S27=000  S28=008  S29=020  S30=000  S31=000  S32=000
   S33=000  S34=000  S35=000  S36=014  S38=000  S39=000  S40=001
   S41=000  S42=000
---
U.S. Robotics 56K FAX INT Settings...
   B0  E0  F1  M0  Q1  V1  X4  Y0
   BAUD=38400  PARITY=N  WORDLEN=8
   DIAL=TONE    ON HOOK   CID=0
   &A3  &B1  &C1  &D2  &G0  &H1  &I0  &K1
   &M4  &N0  &P0  &R2  &S1  &T4  &U0  &Y1  
   S00=001  S01=000  S02=043  S03=013  S04=010  S05=008  S06=002
   S07=060  S08=002  S09=006  S10=007  S11=070  S12=050  S13=001
   S15=000  S16=000  S18=000  S19=000  S21=010  S22=017  S23=019
   S25=005  S27=000  S28=008  S29=020  S30=000  S31=000  S32=000
   S33=000  S34=000  S35=000  S36=014  S38=000  S39=000  S40=001
   S41=000  S42=000
-------------------------------------------------------------------------------
/etc/ttys
ttyd0   "/usr/libexec/getty std.38400"  dialup  on  secure
ttyd4   "/usr/libexec/getty std.38400"  dialup  on  secure
-------------------------------------------------------------------------------
/etc/rc.serial
stty -f /dev/ttyd0 crtsdts speed 38400
stty -f /dev/ttyd4 crtsdts speed 38400
-------------------------------------------------------------------------------
-- 
Hans K. Fiedler                         Information Technology
Network Analyst                         Communications Services
hans@hermes.louisville.edu              University of Louisville
(502)852-7427                           Louisville, Ky. 40292
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