Mystical panic when RPI2 is left idle for a while

[Svatopluk Kraus]

Can you provide the kernel which paniced?  If you boot your rpi2
standard way, this is the file: /boot/kernel/kernel
There are many anonymous - $a.9() and similar - functions - so the
kernel is needed to better understand your backtrace.

On Sun, Apr 24, 2016 at 12:53 PM, Jukka A. Ukkonen <jau789 at gmail.com> wrote:
>
> Hello all,
>
> I have a faint recollection that some others have also said
> their RPI2 panics when it is left idle for too long.
> Mine has been giving me those little surprises quite regularly,
> but until I got a 3,3V serial console cable I have had no
> chance to debug the problem any further.
> I hope the attached backtrace is more informative to someone
> else. All I was able to understand was that some process
> apparently tries to sleep while it is not allowed to do that.
> Maybe it is holding some locks or semaphores or something,
> and does not release them before trying to sleep.
>
> --jau
>
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