bt_le_scan_start Fails with Error -5 after 128 scan start/stop cycles


Declan Traill <declan.traill@...>
 

Hi,

 

I have a basic project that scans for 5 seconds, then stops for one second - then repeats forever.

After exactly 128 cycles, the 129th scan start (and all after that) fails with error code -5 (I think this is POSIX: #define EIO 5 /* I/O error */).

 

Given the number of time it works (128) it seems like a resource or memory may have run out?

 

Here is the debug log (attached) showing the problem: Any ideas what might be wrong & how to fix it?

 

Thanks...

 

P.S. Also at the end of this file is a fragment of debug I saw a couple of times earlier today during testing - showing a kernel error that occurred. It may be related or unrelated to the other problem??

 

Regards,

 

Declan Traill
Embedded Firmware Engineer
declan.traill@...

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