[Info-vax] Reverse telnet printers (TNAxxxx:) owned by non-existent process

Stephen Hoffman seaohveh at hoffmanlabs.invalid
Tue Jun 1 13:30:16 EDT 2021


On 2021-06-01 16:22:47 +0000, Scott Snadow said:

> But that's a hack.  I'd much rather prevent the problem from occurring 
> in the first place.  Any ideas on what causes this and/or how to stop 
> it?

You're still on OpenVMS Alpha V7.3-2, so arguably it's all a hack.

Try to spool the devices if this is straight output and not a mix of 
output and input, and see if that reduces the window when these issues 
can arise.

Don't get SHARE privilege involved, as SHARE is how these problems tend 
to arise. Use of SHARE and the last-channel deassign logic tend to 
interact poorly. There have been patches in this area, too.

There are kernel-mode hacks to clear device ownership and some of which 
have undoubtedly been posted here, if that COPY NL: hack should fail to 
work.



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