[nos-bbs] Jnos under Raspberry Pi keeps crashing

Bob Tenty bobtenty at gmail.com
Wed Feb 13 20:45:40 EST 2013


Nothing in syslog of the PI itself?

Bob VE3TOK


On 13-02-13 07:05 PM, jerome schatten wrote:
> Hi...  I've been working on this for over a month, and I have finally
> run out of things to try, so I need some help.
>
> The Problem:
>
> I have compiled from source (all defaults), various versions of Jnos for
> the RP and they all compile without error (lot's of warnings, but no
> fatal errors) and each produces a working executable. All jnos functions
> seem to work, but after anywhere from a few minutes to a few hours (and
> sometimes several days), Jnos crashes back to the operating system. It
> never hangs the pi, it just unceremoniously exits.
>
>
> In an effort to bisect the problem (hardware vs. software), here's what
> I've tried:
>
> 1. Power supplies, various: from a 5v/1A wall wart to a lab-grade
> regulated supply connected to the GPIO 5v pins; no difference.
>
> 2.  Burn a new SD card (tried various brands); no difference.
>
> 3.  Examined the jnos logs to see if there was a pattern to the
> activities before the crash. Results don't seem to indicate anything
> obvious. The actual crash could be many minutes after a logged event. Of
> course not all events are logged, so that fact that all Mailbox activity
> shows up a lot before a crash, can't be pinned to anything. That said,
> there's one command that kicks jnos right out to the OS pronto and that
> is 'mbox kick'. Bang jnos quits. Maybe this is the big clue?
>
> 4. apt-get update -> apt-get upgrade; then recompile and try new binary;
> no difference.
>
> 5. download latest image, burn new card and repeat 4 above; no
> difference
>
> 6. Remove USB peripherals one by one and rebooting; no difference.
>
> 7. Move jnos from SD card to memory stick; no difference.
>
> 8. Run in GUI terminal/Run without GUI in linux terminal; no difference.
>
>
> What I have not tried:
>
> 1. I have not swapped out the pi
>
> 2. I have not run any memory (ram) diagnostics as I can't find any to
> run.
>
>
> In conclusion, I have no indication from running different apps on the
> pi, that the pi is faulty -- no flakyness at all, except when running
> jnos. Of course I don't have any apps that continually exercise the pi
> the way jnos does. If you know of any I could try, please let me know. 
>
> As well, is there anything I can try to change in the compilation
> process that might be useful?
>
> Thanks for any suggestions!
> Jerome - ve7ass
>
>
>
>
>
>
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