[BRLTTY] BRLTTY 4.2 crash

[Sebastian Humenda]

Hello,

Jason White <jason at jasonjgw.net> wrote on So, Mai 30, 2010 at 06:16:45 +1000:
>Sebastian Humenda <shumenda at gmx.de> wrote:
>> I just had a BRLTTY crash. I'm not quite sure how this happened. I was switching
>> back from tty7 running a x-server back to tty2. Suddenly speech and braille was
>> gone. I wasn't able to switch back to the gnome session too. It looked like the
>> system wasn't reacting on any key press.
>> 
>> Should I prepare a debug file? For the Debian specialists: Can I start BRLTTY in
>> debugging mode on startup?
>You can enable debugging, but this probably isn't enough. I would suggest also
>enabling the generation of core files from the shell in which you run brltty:
>
>ulimit -c unlimited
I have no idea how this might work, because BRLTTY is currently run by the
Debian start scripts. Is it possible to write a script like this
===
#!/bin/sh
ulimit -c unlimited
brltty.blah -l 7 $1
===
And put it in /sbin to be run instead of the binary itself (and assuming that the
binary is called brltty.blah). I don't know whether this dirt hack might work,
but I have no idea how to change the startup scripts.

>You might need to build BRLTTY with debug symbols, however, for this to work.
How can I build BRLTTY with debugging symbols? I found no configure option and
there's also no Debian package called brltty-dbg. So where do I get those
symbols?

BTW, in order to work I'm currently running BRLTTY 4.2dev rev 5143, which has
also crashes, but very seldom and after such a crash the keyboard is not frozen.
Hence it's possible to restart BRLTTY without reboot.

Thanks
Greetings
Sebastian
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