Hello! I am using WireShark 1.12.1, nRF Sniffer software v1.0.1_1111 on Windows 7, and I am having an issue trying to run a long term capture.
I choose a device, it starts sniffing, I pair it and everything goes well for 1h30 to 2 hours, then it stops. The last request from the Master is always a LL_CHANNEL_MAP_REQ. Then the Slave responds with an Empty PDU and no more packs are captured. If I let it run still, sometimes a pack can be seen but it will always be a malformed pack, or one with bad CRC.
LL_CHANNEL_MAP_REQs also happen without stopping the sniffer, but the last request when it stops is always a LL_CHANNEL_MAP_REQ.
Meanwhile, the devices I was sniffing are still connected without issues. If I turn off the slave's bluetooth (it's an Android mobile phone), the sniffer will see ADV_INDs from the Master again, then I can proceed to pair once more and the sniffer will work happily again for another 1h30-2h.
The issue is that I need to run a longer capture (my goal is 48h), so I need to understand why the sniffer stops after ~2h and an LL_CHANNEL_MAP_REQ.
Sniffer log and the .pcap file are in this .zip file: BLECaptureStopped.zip
Any idea why this happens and if there is any way to make it run longer?
