So I have a really nicely-running PDP-11 now with remote access via telnet through a DZ-11 device fully working. I can log in remotely on up to 8 simultaneous connections (only one DZ-11 set up for now) and have everybody working at the same time without a problem. There is, however, the problem of hanging up.
I've attached the DZ-11 with the following command: attach -am dz 6870 Then I connect via: telnet localhost 6870 I then log in and kill my telnet connection entirely. Just for good measure I kill the shell that spawned the telnet connection and double-check with ps that I've got no telnet sessions of any kind running. When I switch over to the console and check, the logged-in user is still logged-in. The missing telnet connection hasn't translated into any kind of hangup it seems. Further, when I telnet back in I go straight into the logged-in user account. I think the undesirability of this is understandable. I've also tried attach plain, with -a, with -m as well as with -am as above without any changes in behaviour. The system never seems to figure out that the connection has gone away. When I pause the simulation and inspect its state, I see this: sim> e dz state CSR[0]: 040140 RBUF[0]: 000000 LPR[0]: 017030 TCR[0]: 000000 MSR[0]: 000001 TDR[0]: 000012 SAENB[0]: 1 RXINT: 00 TXINT: 00 MDMCTL: 1 AUTODS: 1 To my untrained eye it looks like auto-disconnection and modem controls are both set on as expected, so how do I get the system to act like it is supposed to? -- "Perhaps people don't believe this, but throughout all of the discussions of entering China our focus has really been what's best for the Chinese people. It's not been about our revenue or profit or whatnot." --Sergey Brin, demonstrating the emptiness of the "don't be evil" mantra.
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