{"action":"created","issue":{"url":"https://api.github.com/repos/noble/noble/issues/825","repository_url":"https://api.github.com/repos/noble/noble","labels_url":"https://api.github.com/repos/noble/noble/issues/825/labels{/name}","comments_url":"https://api.github.com/repos/noble/noble/issues/825/comments","events_url":"https://api.github.com/repos/noble/noble/issues/825/events","html_url":"https://github.com/noble/noble/issues/825","id":354064792,"node_id":"MDU6SXNzdWUzNTQwNjQ3OTI=","number":825,"title":"discover characteristics: works on Mac, empty array on Linux (Tessel)","user":{"login":"gr2m","id":39992,"node_id":"MDQ6VXNlcjM5OTky","avatar_url":"https://avatars3.githubusercontent.com/u/39992?v=4","gravatar_id":"","url":"https://api.github.com/users/gr2m","html_url":"https://github.com/gr2m","followers_url":"https://api.github.com/users/gr2m/followers","following_url":"https://api.github.com/users/gr2m/following{/other_user}","gists_url":"https://api.github.com/users/gr2m/gists{/gist_id}","starred_url":"https://api.github.com/users/gr2m/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gr2m/subscriptions","organizations_url":"https://api.github.com/users/gr2m/orgs","repos_url":"https://api.github.com/users/gr2m/repos","events_url":"https://api.github.com/users/gr2m/events{/privacy}","received_events_url":"https://api.github.com/users/gr2m/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-08-26T04:38:34Z","updated_at":"2018-08-26T08:26:49Z","closed_at":null,"author_association":"NONE","body":"Hey there,\r\n\r\nI’ve a fairly simple code to connect to a bluetooth scale. It works reliably on my mac. But when I run the same code ton a [Tessel](https://tessel.io/) it works sometimes, but most of the time the characteristics array for the service is empty\r\n\r\n```js\r\nperipheral.discoverSomeServicesAndCharacteristics([WEIGHT_SERVICE_UUID], [], async (error, [service], characteristics) => {\r\n  // characteristics is an empty array on tessel.io\r\n})\r\n```\r\n\r\nThe logs I see with `DEBUG=*`\r\n\r\n```\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 024000070003000400020502\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 024020070003000400031700\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 031700\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 031700\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: new MTU is 23\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 100100ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400100100ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b0007000400100100ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 024020180014000400110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 101700ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400101700ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b0007000400101700ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240201a0016000400111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 101d00ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400101d00ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 024020180014000400110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 101700ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400101700ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b0007000400101d00ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b0007000400100100ffff0128\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240201a0016000400111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 101d00ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400101d00ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b0007000400101d00ffff0128\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240201a001600040011141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 11141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 11141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 103000ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400103000ffff0028\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b0007000400103000ffff0128\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 02402009000500040001101d000a\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 01101d000a\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 01101d000a\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: write: 081d002f000328\r\nSun, 26 Aug 2018 04:37:08 GMT hci write acl data pkt - writing: 0240000b0007000400081d002f000328\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 0240000b00070004000817001c000228\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci onSocketData: 024020090005000400010817000a\r\nSun, 26 Aug 2018 04:37:08 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:37:08 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:37:08 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:37:08 GMT hci               data = 010817000a\r\nSun, 26 Aug 2018 04:37:08 GMT att d3:9e:60:f4:64:85: read: 010817000a\r\n```\r\n\r\nAnd sometimes it does not call the callback at all. In that case I see this with `DEBUG=*`\r\n\r\n```\r\nSun, 26 Aug 2018 04:28:24 GMT hci onSocketData: 0405040040003e\r\nSun, 26 Aug 2018 04:28:24 GMT hci       event type = 4\r\nSun, 26 Aug 2018 04:28:24 GMT hci       sub event type = 5\r\nSun, 26 Aug 2018 04:28:24 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:28:24 GMT hci               reason = 62\r\n```\r\n\r\nOr this\r\n\r\n```\r\nSun, 26 Aug 2018 04:33:29 GMT hci onSocketData: 024000070003000400020502\r\nSun, 26 Aug 2018 04:33:29 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:29 GMT hci onSocketData: 024020070003000400031700\r\nSun, 26 Aug 2018 04:33:29 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:29 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:29 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:29 GMT hci               data = 031700\r\nSun, 26 Aug 2018 04:33:29 GMT att d3:9e:60:f4:64:85: read: 031700\r\nSun, 26 Aug 2018 04:33:29 GMT att d3:9e:60:f4:64:85: new MTU is 23\r\nSun, 26 Aug 2018 04:33:29 GMT att d3:9e:60:f4:64:85: write: 100100ffff0028\r\nSun, 26 Aug 2018 04:33:29 GMT hci write acl data pkt - writing: 0240000b0007000400100100ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 024020180014000400110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 101700ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400101700ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240000b0007000400100100ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240000b0007000400101700ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201a0016000400111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 101d00ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400101d00ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240000b0007000400101d00ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 024020180014000400110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 110601000700001808000b0001180c0016000a18\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 101700ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400101700ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240000b0007000400100100ffff0128\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201a001600040011141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 11141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 11141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 103000ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400103000ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240000b0007000400103000ffff0128\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201a0016000400111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 111417001c0023d1bcea5f782315deef121230150000\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 101d00ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400101d00ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201a001600040011141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 11141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 11141d002f0032b2a2f753de1a9ceb47fd5e00002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 103000ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400103000ffff0028\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240200c000800040011063000ffff0f18\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 11063000ffff0f18\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 11063000ffff0f18\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 081d002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400081d002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b001700040009151e00121f0032b2a2f753de1a9ceb47fd5e01002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 09151e00121f0032b2a2f753de1a9ceb47fd5e01002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 09151e00121f0032b2a2f753de1a9ceb47fd5e01002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 081d002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400081d002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b001700040009151e00121f0032b2a2f753de1a9ceb47fd5e01002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 09151e00121f0032b2a2f753de1a9ceb47fd5e01002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 09151e00121f0032b2a2f753de1a9ceb47fd5e01002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0820002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000820002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b00170004000915210002220032b2a2f753de1a9ceb47fd5e02002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 0915210002220032b2a2f753de1a9ceb47fd5e02002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 0915210002220032b2a2f753de1a9ceb47fd5e02002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0820002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000820002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b00170004000915210002220032b2a2f753de1a9ceb47fd5e02002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 0915210002220032b2a2f753de1a9ceb47fd5e02002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 0915210002220032b2a2f753de1a9ceb47fd5e02002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0823002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000823002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b0017000400091523000c240032b2a2f753de1a9ceb47fd5e03002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 091523000c240032b2a2f753de1a9ceb47fd5e03002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 091523000c240032b2a2f753de1a9ceb47fd5e03002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0823002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000823002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b0017000400091523000c240032b2a2f753de1a9ceb47fd5e03002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 091523000c240032b2a2f753de1a9ceb47fd5e03002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 091523000c240032b2a2f753de1a9ceb47fd5e03002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0825002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000825002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b0017000400091525000c260032b2a2f753de1a9ceb47fd5e04002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 091525000c260032b2a2f753de1a9ceb47fd5e04002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 091525000c260032b2a2f753de1a9ceb47fd5e04002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0825002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000825002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b0017000400091525000c260032b2a2f753de1a9ceb47fd5e04002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 091525000c260032b2a2f753de1a9ceb47fd5e04002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 091525000c260032b2a2f753de1a9ceb47fd5e04002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0827002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000827002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b00170004000915270012280032b2a2f753de1a9ceb47fd5e06002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 0915270012280032b2a2f753de1a9ceb47fd5e06002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 0915270012280032b2a2f753de1a9ceb47fd5e06002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0827002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000827002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b00170004000915270012280032b2a2f753de1a9ceb47fd5e06002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 0915270012280032b2a2f753de1a9ceb47fd5e06002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 0915270012280032b2a2f753de1a9ceb47fd5e06002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0829002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000829002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b001700040009152a001a2b0032b2a2f753de1a9ceb47fd5e05002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 09152a001a2b0032b2a2f753de1a9ceb47fd5e05002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 09152a001a2b0032b2a2f753de1a9ceb47fd5e05002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 0829002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b00070004000829002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b001700040009152a001a2b0032b2a2f753de1a9ceb47fd5e05002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 09152a001a2b0032b2a2f753de1a9ceb47fd5e05002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 09152a001a2b0032b2a2f753de1a9ceb47fd5e05002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 082c002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400082c002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b001700040009152d00122e0032b2a2f753de1a9ceb47fd5e07002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 09152d00122e0032b2a2f753de1a9ceb47fd5e07002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 09152d00122e0032b2a2f753de1a9ceb47fd5e07002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 082c002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400082c002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 0240201b001700040009152d00122e0032b2a2f753de1a9ceb47fd5e07002302\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 09152d00122e0032b2a2f753de1a9ceb47fd5e07002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 09152d00122e0032b2a2f753de1a9ceb47fd5e07002302\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 082f002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400082f002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 02402009000500040001082f000a\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 01082f000a\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 01082f000a\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: write: 082f002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci write acl data pkt - writing: 0240000b0007000400082f002f000328\r\nSun, 26 Aug 2018 04:33:30 GMT hci onSocketData: 02402009000500040001082f000a\r\nSun, 26 Aug 2018 04:33:30 GMT hci       event type = 2\r\nSun, 26 Aug 2018 04:33:30 GMT hci               cid = 4\r\nSun, 26 Aug 2018 04:33:30 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:30 GMT hci               data = 01082f000a\r\nSun, 26 Aug 2018 04:33:30 GMT att d3:9e:60:f4:64:85: read: 01082f000a\r\nSun, 26 Aug 2018 04:33:32 GMT hci onSocketData: 01060403400013\r\nSun, 26 Aug 2018 04:33:32 GMT hci       event type = 1\r\nSun, 26 Aug 2018 04:33:32 GMT hci               cmd = 1030\r\nSun, 26 Aug 2018 04:33:32 GMT hci               data len = 3\r\nSun, 26 Aug 2018 04:33:32 GMT hci onSocketData: 040f0400010604\r\nSun, 26 Aug 2018 04:33:32 GMT hci       event type = 4\r\nSun, 26 Aug 2018 04:33:32 GMT hci       sub event type = 15\r\nSun, 26 Aug 2018 04:33:32 GMT hci               status = 0\r\nSun, 26 Aug 2018 04:33:32 GMT hci               cmd = 1030\r\nSun, 26 Aug 2018 04:33:32 GMT hci onSocketData: 04050400400016\r\nSun, 26 Aug 2018 04:33:32 GMT hci       event type = 4\r\nSun, 26 Aug 2018 04:33:32 GMT hci       sub event type = 5\r\nSun, 26 Aug 2018 04:33:32 GMT hci               handle = 64\r\nSun, 26 Aug 2018 04:33:32 GMT hci               reason = 22\r\n```\r\n\r\nI’d really appreciate any help 🙏 /cc @hipsterbrown"},"comment":{"url":"https://api.github.com/repos/noble/noble/issues/comments/416022620","html_url":"https://github.com/noble/noble/issues/825#issuecomment-416022620","issue_url":"https://api.github.com/repos/noble/noble/issues/825","id":416022620,"node_id":"MDEyOklzc3VlQ29tbWVudDQxNjAyMjYyMA==","user":{"login":"gr2m","id":39992,"node_id":"MDQ6VXNlcjM5OTky","avatar_url":"https://avatars3.githubusercontent.com/u/39992?v=4","gravatar_id":"","url":"https://api.github.com/users/gr2m","html_url":"https://github.com/gr2m","followers_url":"https://api.github.com/users/gr2m/followers","following_url":"https://api.github.com/users/gr2m/following{/other_user}","gists_url":"https://api.github.com/users/gr2m/gists{/gist_id}","starred_url":"https://api.github.com/users/gr2m/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gr2m/subscriptions","organizations_url":"https://api.github.com/users/gr2m/orgs","repos_url":"https://api.github.com/users/gr2m/repos","events_url":"https://api.github.com/users/gr2m/events{/privacy}","received_events_url":"https://api.github.com/users/gr2m/received_events","type":"User","site_admin":false},"created_at":"2018-08-26T08:26:49Z","updated_at":"2018-08-26T08:26:49Z","author_association":"NONE","body":"Here is the full log using `hcidump -t -x`\r\n\r\n```\r\n2018-08-26 08:20:44.250151 < HCI Command: Set Event Mask (0x03|0x0001) plen 8\r\n    Mask: 0xfffffbff07f8bf3d\r\n2018-08-26 08:20:44.251171 > HCI Event: Command Complete (0x0e) plen 4\r\n    Set Event Mask (0x03|0x0001) ncmd 1\r\n    status 0x00\r\n2018-08-26 08:20:44.253851 < HCI Command: LE Set Event Mask (0x08|0x0001) plen 8\r\n    mask 0x1f00000000000000 (Reserved)\r\n2018-08-26 08:20:44.255131 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Event Mask (0x08|0x0001) ncmd 1\r\n    status 0x00\r\n2018-08-26 08:20:44.255771 < HCI Command: Read Local Version Information (0x04|0x0001) plen 0\r\n2018-08-26 08:20:44.257151 > HCI Event: Command Complete (0x0e) plen 12\r\n    Read Local Version Information (0x04|0x0001) ncmd 1\r\n    status 0x00\r\n    HCI Version: 4.0 (0x6) HCI Revision: 0x1000\r\n    LMP Version: 4.0 (0x6) LMP Subversion: 0x220e\r\n    Manufacturer: Broadcom Corporation (15)\r\n2018-08-26 08:20:44.257871 < HCI Command: Write LE Host Supported (0x03|0x006d) plen 2\r\n  01 00\r\n2018-08-26 08:20:44.259131 > HCI Event: Command Complete (0x0e) plen 4\r\n    Write LE Host Supported (0x03|0x006d) ncmd 1\r\n    00\r\n2018-08-26 08:20:44.259771 < HCI Command: Read LE Host Supported (0x03|0x006c) plen 0\r\n2018-08-26 08:20:44.261131 > HCI Event: Command Complete (0x0e) plen 6\r\n    Read LE Host Supported (0x03|0x006c) ncmd 1\r\n    00 01 00\r\n2018-08-26 08:20:44.271791 < HCI Command: Read BD ADDR (0x04|0x0009) plen 0\r\n2018-08-26 08:20:44.273131 > HCI Event: Command Complete (0x0e) plen 10\r\n    Read BD ADDR (0x04|0x0009) ncmd 1\r\n    status 0x00 bdaddr 5C:F3:70:89:67:B5\r\n2018-08-26 08:20:44.314693 < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2\r\n    value 0x00 (scanning disabled)\r\n    filter duplicates 0x01 (enabled)\r\n2018-08-26 08:20:44.316133 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Scan Enable (0x08|0x000c) ncmd 1\r\n    status 0x0c\r\n    Error: Command Disallowed\r\n2018-08-26 08:20:44.318493 < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7\r\n    type 0x01 (active)\r\n    interval 10.000ms window 10.000ms\r\n    own address: 0x00 (Public) policy: All\r\n2018-08-26 08:20:44.320133 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Scan Parameters (0x08|0x000b) ncmd 1\r\n    status 0x00\r\n2018-08-26 08:20:44.345454 < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2\r\n    value 0x00 (scanning disabled)\r\n    filter duplicates 0x01 (enabled)\r\n2018-08-26 08:20:44.347134 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Scan Enable (0x08|0x000c) ncmd 1\r\n    status 0x0c\r\n    Error: Command Disallowed\r\n2018-08-26 08:20:44.348794 < HCI Command: LE Set Scan Parameters (0x08|0x000b) plen 7\r\n    type 0x01 (active)\r\n    interval 10.000ms window 10.000ms\r\n    own address: 0x00 (Public) policy: All\r\n2018-08-26 08:20:44.350194 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Scan Parameters (0x08|0x000b) ncmd 1\r\n    status 0x00\r\n2018-08-26 08:20:44.351674 < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2\r\n    value 0x01 (scanning enabled)\r\n    filter duplicates 0x01 (enabled)\r\n2018-08-26 08:20:44.353174 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Scan Enable (0x08|0x000c) ncmd 1\r\n    status 0x00\r\n2018-08-26 08:20:44.361095 > HCI Event: LE Meta Event (0x3e) plen 39\r\n    LE Advertising Report\r\n      ADV_NONCONN_IND - Non connectable undirected advertising (3)\r\n      bdaddr 44:1C:A8:8C:3C:46 (Public)\r\n      Unknown type 0xff with 25 bytes data\r\n      RSSI: -84\r\n2018-08-26 08:20:44.389116 > HCI Event: LE Meta Event (0x3e) plen 27\r\n    LE Advertising Report\r\n      ADV_NONCONN_IND - Non connectable undirected advertising (3)\r\n      bdaddr 3A:6B:6A:71:B2:42 (Random)\r\n      Flags: 0x1b\r\n      Unknown type 0xff with 10 bytes data\r\n      RSSI: -83\r\n2018-08-26 08:20:44.437097 > HCI Event: LE Meta Event (0x3e) plen 41\r\n    LE Advertising Report\r\n      ADV_IND - Connectable undirected advertising (0)\r\n      bdaddr D4:2F:AC:96:47:E7 (Random)\r\n      Complete local name: 'S'\r\n      Flags: 0x06\r\n      Unknown type 0xff with 21 bytes data\r\n      RSSI: -89\r\n2018-08-26 08:20:44.438218 > HCI Event: LE Meta Event (0x3e) plen 12\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr D4:2F:AC:96:47:E7 (Random)\r\n      RSSI: -87\r\n2018-08-26 08:20:44.459098 > HCI Event: LE Meta Event (0x3e) plen 33\r\n    LE Advertising Report\r\n      ADV_IND - Connectable undirected advertising (0)\r\n      bdaddr 54:13:79:46:37:F6 (Public)\r\n      Flags: 0x1a\r\n      Unknown type 0x07 with 16 bytes data\r\n      RSSI: -92\r\n2018-08-26 08:20:44.460178 > HCI Event: LE Meta Event (0x3e) plen 12\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr 54:13:79:46:37:F6 (Public)\r\n      RSSI: -89\r\n2018-08-26 08:20:44.473139 > HCI Event: LE Meta Event (0x3e) plen 12\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr 44:1C:A8:8C:3C:46 (Public)\r\n      RSSI: -87\r\n2018-08-26 08:20:44.487099 > HCI Event: LE Meta Event (0x3e) plen 37\r\n    LE Advertising Report\r\n      ADV_IND - Connectable undirected advertising (0)\r\n      bdaddr D3:9E:60:F4:64:85 (Random)\r\n      Flags: 0x06\r\n      Shortened local name: 'Hatch Baby Grow'\r\n      Unknown type 0x16 with 3 bytes data\r\n      RSSI: -69\r\n2018-08-26 08:20:44.489119 > HCI Event: LE Meta Event (0x3e) plen 18\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr D3:9E:60:F4:64:85 (Random)\r\n      Unknown type 0xff with 4 bytes data\r\n      RSSI: -68\r\n2018-08-26 08:20:44.502100 > HCI Event: LE Meta Event (0x3e) plen 26\r\n    LE Advertising Report\r\n      ADV_IND - Connectable undirected advertising (0)\r\n      bdaddr 56:2B:F7:E0:9D:79 (Random)\r\n      Flags: 0x1a\r\n      Unknown type 0xff with 9 bytes data\r\n      RSSI: -79\r\n2018-08-26 08:20:44.503220 > HCI Event: LE Meta Event (0x3e) plen 12\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr 56:2B:F7:E0:9D:79 (Random)\r\n      RSSI: -80\r\n2018-08-26 08:20:44.518121 > HCI Event: LE Meta Event (0x3e) plen 27\r\n    LE Advertising Report\r\n      ADV_IND - Connectable undirected advertising (0)\r\n      bdaddr 2C:41:A1:70:4D:70 (Public)\r\n      Flags: 0x1a\r\n      Complete service classes: 0xfebe\r\n      Unknown type 0xff with 6 bytes data\r\n      RSSI: -80\r\n2018-08-26 08:20:44.521121 > HCI Event: LE Meta Event (0x3e) plen 42\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr 2C:41:A1:70:4D:70 (Public)\r\n      TX power level: 10\r\n      Complete local name: 'LE-Bose Revolve SoundLink'\r\n      RSSI: -79\r\n2018-08-26 08:20:44.523141 > HCI Event: LE Meta Event (0x3e) plen 15\r\n    LE Advertising Report\r\n      ADV_IND - Connectable undirected advertising (0)\r\n      bdaddr 5E:CF:29:3E:0C:0E (Random)\r\n      Flags: 0x1a\r\n      RSSI: -90\r\n2018-08-26 08:20:44.524141 > HCI Event: LE Meta Event (0x3e) plen 12\r\n    LE Advertising Report\r\n      SCAN_RSP - Scan Response (4)\r\n      bdaddr 5E:CF:29:3E:0C:0E (Random)\r\n      RSSI: -90\r\n2018-08-26 08:20:44.526561 < HCI Command: LE Set Scan Enable (0x08|0x000c) plen 2\r\n    value 0x00 (scanning disabled)\r\n    filter duplicates 0x01 (enabled)\r\n2018-08-26 08:20:44.529121 > HCI Event: Command Complete (0x0e) plen 4\r\n    LE Set Scan Enable (0x08|0x000c) ncmd 1\r\n    status 0x00\r\n2018-08-26 08:20:45.550699 < HCI Command: LE Create Connection (0x08|0x000d) plen 25\r\n    bdaddr D3:9E:60:F4:64:85 type 1\r\n    interval 96 window 48 initiator_filter 0\r\n    own_bdaddr_type 0 min_interval 6 max_interval 12\r\n    latency 0 supervision_to 200 min_ce 4 max_ce 6\r\n2018-08-26 08:20:45.552179 > HCI Event: Command Status (0x0f) plen 4\r\n    LE Create Connection (0x08|0x000d) status 0x00 ncmd 1\r\n2018-08-26 08:20:46.628179 > HCI Event: LE Meta Event (0x3e) plen 19\r\n    LE Connection Complete\r\n      status 0x00 handle 64, role master\r\n      bdaddr D3:9E:60:F4:64:85 (Random)\r\n2018-08-26 08:20:46.635979 < ACL data: handle 64 flags 0x00 dlen 7\r\n    ATT: MTU req (0x02)\r\n      client rx mtu 517\r\n2018-08-26 08:20:46.663460 > ACL data: handle 64 flags 0x02 dlen 7\r\n    ATT: MTU resp (0x03)\r\n      server rx mtu 23\r\n2018-08-26 08:20:46.664560 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0001, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:46.670541 < ACL data: handle 64 flags 0x00 dlen 7\r\n    ATT: MTU req (0x02)\r\n      client rx mtu 256\r\n2018-08-26 08:20:46.679221 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:46.693601 > ACL data: handle 64 flags 0x02 dlen 24\r\n    ATT: Read By Group resp (0x11)\r\n      attr handle 0x0001, end group handle 0x0007\r\n      value 0x00 0x18\r\n      attr handle 0x0008, end group handle 0x000b\r\n      value 0x01 0x18\r\n      attr handle 0x000c, end group handle 0x0016\r\n      value 0x0a 0x18\r\n2018-08-26 08:20:46.694762 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0017, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:46.709222 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:46.723583 > ACL data: handle 64 flags 0x02 dlen 26\r\n    ATT: Read By Group resp (0x11)\r\n      attr handle 0x0017, end group handle 0x001c\r\n      value 0x23 0xd1 0xbc 0xea 0x5f 0x78 0x23 0x15 0xde 0xef 0x12 0x12 0x30 0x15 0x00 0x00\r\n2018-08-26 08:20:49.698213 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0001, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:49.723554 > ACL data: handle 64 flags 0x02 dlen 24\r\n    ATT: Read By Group resp (0x11)\r\n      attr handle 0x0001, end group handle 0x0007\r\n      value 0x00 0x18\r\n      attr handle 0x0008, end group handle 0x000b\r\n      value 0x01 0x18\r\n      attr handle 0x000c, end group handle 0x0016\r\n      value 0x0a 0x18\r\n2018-08-26 08:20:49.732014 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0017, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:49.739315 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:49.739415 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x001d, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:49.739455 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0001, end 0xffff\r\n      type-uuid 0x2801\r\n2018-08-26 08:20:49.753555 > ACL data: handle 64 flags 0x02 dlen 26\r\n    ATT: Read By Group resp (0x11)\r\n      attr handle 0x0017, end group handle 0x001c\r\n      value 0x23 0xd1 0xbc 0xea 0x5f 0x78 0x23 0x15 0xde 0xef 0x12 0x12 0x30 0x15 0x00 0x00\r\n2018-08-26 08:20:49.755355 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:49.755455 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x001d, end 0xffff\r\n      type-uuid 0x2801\r\n2018-08-26 08:20:49.759375 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x001d, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:49.768576 > ACL data: handle 64 flags 0x02 dlen 26\r\n    ATT: Read By Group resp (0x11)\r\n      attr handle 0x001d, end group handle 0x002f\r\n      value 0x32 0xb2 0xa2 0xf7 0x53 0xde 0x1a 0x9c 0xeb 0x47 0xfd 0x5e 0x00 0x00 0x23 0x02\r\n2018-08-26 08:20:49.769716 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0030, end 0xffff\r\n      type-uuid 0x2801\r\n2018-08-26 08:20:49.770336 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:49.774116 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Group req (0x10)\r\n      start 0x0030, end 0xffff\r\n      type-uuid 0x2800\r\n2018-08-26 08:20:49.783556 > ACL data: handle 64 flags 0x02 dlen 9\r\n    ATT: Error (0x01)\r\n      Error: Attribute not found (10)\r\n      Read By Group req (0x10) on handle 0x001d\r\n2018-08-26 08:20:49.785356 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:49.792797 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Type req (0x08)\r\n      start 0x0017, end 0x001c\r\n      type-uuid 0x2802\r\n2018-08-26 08:20:49.798577 > ACL data: handle 64 flags 0x02 dlen 9\r\n    ATT: Error (0x01)\r\n      Error: Attribute not found (10)\r\n      Read By Group req (0x10) on handle 0x0030\r\n2018-08-26 08:20:49.806237 < ACL data: handle 64 flags 0x00 dlen 11\r\n    ATT: Read By Type req (0x08)\r\n      start 0x001d, end 0x002f\r\n      type-uuid 0x2803\r\n2018-08-26 08:20:49.814337 > HCI Event: Number of Completed Packets (0x13) plen 5\r\n    handle 64 packets 2\r\n2018-08-26 08:20:49.828578 > ACL data: handle 64 flags 0x02 dlen 27\r\n    ATT: Read By Type resp (0x09)\r\n      length: 21\r\n        handle 0x001e, value 0x12 0x1f 0x00 0x32 0xb2 0xa2 0xf7 0x53 0xde 0x1a 0x9c 0xeb 0x47 0xfd 0x5e 0x01 0x00 0x23 0x02\r\n2018-08-26 08:20:49.834938 < HCI Command: Disconnect (0x01|0x0006) plen 3\r\n    handle 64 reason 0x13\r\n    Reason: Remote User Terminated Connection\r\n2018-08-26 08:20:49.836338 > HCI Event: Command Status (0x0f) plen 4\r\n    Disconnect (0x01|0x0006) status 0x00 ncmd 1\r\n2018-08-26 08:20:49.844318 > HCI Event: Disconn Complete (0x05) plen 4\r\n    status 0x00 handle 64 reason 0x16\r\n    Reason: Connection Terminated by Local Host\r\n```\r\n\r\nThe code looks for \"Hatch Baby Grow\", once it finds it, it stops scanning, connects to the peripheral and then looks for a specific characteristing using `discoverSomeServicesAndCharacteristics`. The `characteristics` array in the callback is empty."}}
{"actor":{"display_login":"gr2m"}}