Hi John, On Wed, Jul 6, 2022 at 3:56 PM John Klug <John.Klug@xxxxxxxxxxxxx> wrote: > > I was running btmon through pcat to avoid running out of space on the device. I think this was causing packets to be cut off midstream at the end. > > Here is the btmon output when turning scan off: > > LE Extended Advertising Report (0x0d) > Num reports: 1 > Entry 0 > Event type: 0x0010 > Props: 0x0010 > Use legacy advertising PDUs > Data status: Complete > Legacy PDU Type: ADV_NONCONN_IND (0x0010) > Address type: Random (0x01) > Address: 06:62:7D:C6:64:48 (Non-Resolvable) > Primary PHY: LE 1M > Secondary PHY: No packets > SID: no ADI field (0xff) > TX power: 127 dBm > RSSI: -68 dBm (0xbc) > Periodic advertising interval: 0.00 msec (0x0000) > Direct address type: Public (0x00) > Direct address: 00:00:00:00:00:00 (OUI 00-00-00) > Data length: 0x1f > 1e ff 06 00 01 09 20 02 74 f5 eb a3 76 9d e7 b5 ...... .t...v... > 11 e6 85 a0 41 ca 09 4d 27 f1 f6 dc a5 5f bc ....A..M'...._. > Company: Microsoft (6) > Data: 0109200274f5eba3769de7b511e685a041ca094d27f1f6dca55fbc > @ MGMT Command: Stop Discovery (0x0024) plen 1 {0x0001} [hci0] 159.216816 > Address type: 0x06 > LE Public > LE Random > @ MGMT Event: Command Complete (0x0001) plen 4 {0x0001} [hci0] 159.220056 > Stop Discovery (0x0024) plen 1 > Status: Rejected (0x0b) > Address type: 0x06 > LE Public > LE Random Looks like a bug in the kernel since it is rejecting the stop discovery, have you checked if there are any fixes for it later on?