[BRLTTY] some strange issues with brltty 5.3.1

[Dave Mielke]

[quoted lines by kendell clark on 2016/05/06 at 21:03 -0500]

>But myself and Bernhard have run into a strange error. As soon as brltty
>starts it is immediately killed. The exact error is as follows. Note
>that this is gotten by running "systemctl status brltty" in a command shell.
...
>To get brltty to crash, the first thing I do after starting brltty is to
>press alt+control+f2 to jump to a text console, which triggers the
>error. We've tried tweaking the config file but nothing we do seems to
>have any effect. Note that this only happens if the config is correct.
>If there are any errors in the config file, such as brltty not being
>able to load a speech or braille driver, it doesn't get killed, it just
>keeps running. I'm stumped. What steps can we take next to fix this?

A gdb backtrace of the crash would be helpful. That, of course, works best with 
an unstripped executable. If you're using the released tarball then that won't 
be the case. If you're building your own then the brltty executable in the 
build tree won't be stripped. Even with a stripped executable, though, the 
backtrace should still be helpful.

Also, please add lines like these to brltty.conf, and then post the log so that 
we can have a look at it:

   log-file /path/to/logfile
   log-level debug

Please also let us know which version of systemd you're using, and post your 
brltty systemd service unit(s) as well as your brltty.conf.

If you're building your own brltty, please post config.log (from the top level 
of the build tree).

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