[nos-bbs] JNOS Hang

Chris Maness chris at chrismaness.com
Mon Mar 26 21:55:06 EDT 2012


Thanks Jack.  I forgot how to compile without striping the binary.

Chris

On Mon, Mar 26, 2012 at 6:48 PM, Jack Eifer <jeifer at cwo.com> wrote:
> Chris Maness wrote:
>>
>> WP version of JNOS hung today.  I had to do a killall -9 JNOS.  It was
>> not responding to HUP (killall without the 9 flag).
>>
>> @Maiko, is there a DEBUG howtoo?  It has been a VERY long time since I
>> have analyzed core dumps.  How can I help you debug this?
>>
>> 73's de KQ6UP
>> Chris Maness
>>
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>
>
> Chris,
>
> From Maiko's compile instructions. This should help.
>
>
>
>  If you ARE interested in helping me fix bugs, then I encourage you to
>   run the GDB debugger that comes with most linux distros, AND make sure
>   you do NOT strip the 'jnos' binary, since it contains important info for
>   the debugger to use when a crash occurs.
>
>   Using GDB is easy. With JNOS running already, find out it's pid, using
>   the linux command, 'ps -ef | grep jnos'. Once you know what the pid is,
>   then run the gdb debugger something like this :
>
>    gdb -p pid
>
>   GDB will load, JNOS will hang temporarily, and GDB will suddenly give
>   you a prompt. Enter the command, 'continue', at the prompt, and JNOS
>   will continue to run again.
>
>   When a crash occurs, GDB will break out to the prompt again, and JNOS
>   will hang. Take a screen shot of what GDB printed out, then type in
>   the command, 'back full', at the GDB prompt, and note the info that
>   appears. Please send all of that information to me, with a brief
>   explanation of what might have been going on at the time.
>
>   If you have JNOS logging in effect, please send me the log file at
>   the time of the crash if you don't mind. Logs are under /jnos/logs/
>   directory (by default).
>
> JNOS 2.0i released - 23Nov2010
>
>
> 73, Jack AA6HF
>
>
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