Am 14.11.22 um 22:11 schrieb Alan Altmark:
Sven asked about this on an internal IBM discussion channel and I mentioned
that there are two issues that I can see in the Linux 3270 support:
1. Linux is definitely doing it wrong on z/VM. Linux infers the dimensions of
the screen from a model number. (Bzzzzzzt!) If you have a standard-size
screen for model 2, 3, 4, or 5, then the model number from DIAG 0x210 will be
correct. Otherwise it will reflect model 2. I'm not sure why CP does that or
why Linux is using the model number at all. Even at the turn of the century
it was irrelevant.
2. Linux doesn't detect a reconnect event, so it doesn't know to re-query the
device and adjust any 'views' that have been created.
To be honest while someone could invest time in here, I think the proper
solution for Linux would be to improve z/VMs ASCII console support (e.g. make
it virtual instead of attaching the LPAR one and provide a console server).
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