"Bad signalling message, sign_link returned error: Operation not permitted" - during voice call

Neels Hofmeyr nhofmeyr at sysmocom.de
Thu Dec 3 12:04:27 UTC 2020


On Mon, Nov 30, 2020 at 12:20:19AM +0300, Mario Lucas wrote:
> <0016> input/ipaccess.c:411 Bad signalling message, sign_link returned error: Operation not permitted.
> <0016> input/ipaccess.c:411 Bad signalling message, sign_link returned error: Operation not permitted.
>  
>  
> WHat is this bad signalling message operation not permitted?

If your network is operational and SMS work, then ignore this error message?

Alternatively this is something you could examine more closely, i.e. configure
more detailed logging, look at network traces, look at C code and try to
understand in detail.

~N

>  
>  
> --
> Mario Lucas

-- 
- Neels Hofmeyr <nhofmeyr at sysmocom.de>          http://www.sysmocom.de/
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