Another A/UX question, re: rn, AUX dialup.

[wmd at tippy.uucp]

I am currently using three Hayes 2400's somewhat successfully with my A/UX
box.  The following problems occurred and I will attempt to describe my
kludge to get them working.

The modem settings:
  The modems are set to reset on DTR drop, set DCD according to the
  state of the carrier, command mode disabled, and numeric result
  codes.

The A/UX box settings:
  getty to respawn using the mo_1200 gettydef label.  mo_1200 was modified
  to try mo_2400 after a break, then mo_300, and then back to mo_1200.

The problem:
  If someone calls in connects and hangs up before logging in, getty
  dies and is not respawned by init.  Modem control does not take effect
  until login occurs.  That is, a loss of carrier does not result in
  a termination of processes and respawn of getty until a successful
  login has occurred.

The Solutions attempted:
  I tried rewriting getty but was unsuccessfull in getting my implementation
  to work.  I sent multiple Applelinks to Apple on the problem.  They must
  not read their Applelink mail in the A/UX group.  I offerred to write a
  special implementation of getty for them (for free!) if they would give
  me the source to their getty under non-disclosure... not a word from them.

The Kludge at it now stands:
  There is a cron demon running each minute saying '/etc/telinit q' which
  forces init to re-examine the inittab and respawn the getty processes
  which have failed to respawn.  Users still need to generate a break to
  cause getty to attempt the next baud rate.  It works, I don't like it,
  I never will, but I have seen no alternatives from Apple nor even a response
  to my queries.  There appears to be a real problem using Hayes modems
  with A/UX and someone needs to offer a solution...I thought I'd outline
  mine.  Hope it helps.

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Malcolm Duncan         Duncan Communications Public Access Usenet System
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