[Xastir] Xastir on Ubuntu locks up opening serial TTY

[Robert Kilian]

I've run into a similar issue (Xastir locks up upon attempting to access
the serial port) that I was able to resolve by enabling clocal with stty
(disabling the need for CD to be present to open the port) on the
affected serial port.  In your case, "stty -F /dev/ttyS5 clocal".

You might give that a try, and if it doesn't work, perhaps the output of
"stty -F /dev/ttyS5" may give some clues.

Rob Kilian
K6RBK

On 09/07/2014 03:27 PM, Neill Thornton wrote:
> All,
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> Hoping for some guidance here.  I have been running Xastir on an Ubuntu box just fine for several weeks.  Today I upgraded to 14.04 and noticed Xastir was locking up when started, not even displaying a map, just a blank grey screen.
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> I went in to .xastir/config/xastir.cnf and disabled the serial port to the TNC by setting DEVICE0_ONSTARTUP to 0.  Now, when I start Xastir I get the map, and connect to the APRS internet network no problem.  If I try to manually start the TNC interface, it locks up as soon as I hit "Start".
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> If I run xastir -v 2048, I can see the verbose logging going by... and when I try to start the TNC interface the log halts at "Changing euid to 0 and egid to 1000".
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> I can access the serial port (/dev/ttyS5) just fine using cutecom and minicom without root privs, and see TNC traffic.
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> Xastir has been chmod 4755 to see if that might fix it, it doesn't.  Running xastir as root doesn't fix it either.
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> I downloaded the latest source tree via CVS and compiled that, and it still doesn't work.
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> Does anyone have any ideas here?  Some googling really did not turn up much.
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> Thanks,
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> Neill
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