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[bug #43604] lack of flow control on serial port
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From: |
Peter |
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Subject: |
[bug #43604] lack of flow control on serial port |
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Date: |
Wed, 10 Dec 2014 19:23:59 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/38.0.2125.111 Chrome/38.0.2125.111 Safari/537.36 |
Follow-up Comment #4, bug #43604 (project grub):
Ah, grub uses RTS/CTS flow control, but the VT510 uses DTR/DSR.
I though these kind of issues were fixed before I was born (not kidding). Oh
well.
More info:
http://stackoverflow.com/questions/957337/what-is-the-difference-between-dtr-dsr-and-rts-cts-flow-control
The weird thing is, multiple sources state that linux does not support
DTR/DSR, only RST/CTS, yet my VT510 seems completely happy with it... Sending
the exact same ascii art from a linux shell just works.
The terminal settings menu is explained here:
http://www.vt100.net/docs/vt510-rm/chapter2#S2.9.7
it is set to 'DSR' and 'DTR' (not 'Both', so I know that software flow control
is *not* used).
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