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* RE: Unexpected SMP Command 0x0a
@ 2017-05-02  7:15 Wong, Joshua Weng Onn
  2017-05-23  8:13 ` Wong, Joshua Weng Onn
  0 siblings, 1 reply; 8+ messages in thread
From: Wong, Joshua Weng Onn @ 2017-05-02  7:15 UTC (permalink / raw)
  To: 'Marcel Holtmann'
  Cc: Wong, Mun choy, Zulqarnain, Adam, Avinash Kadam, Bluez mailing list

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^ permalink raw reply	[flat|nested] 8+ messages in thread
* RE: Unexpected SMP Command 0x0a
  2017-05-02  7:15 Unexpected SMP Command 0x0a Wong, Joshua Weng Onn
@ 2017-05-23  8:13 ` Wong, Joshua Weng Onn
  2017-05-23 14:28   ` Marcel Holtmann
  0 siblings, 1 reply; 8+ messages in thread
From: Wong, Joshua Weng Onn @ 2017-05-23  8:13 UTC (permalink / raw)
  To: Wong, Joshua Weng Onn
  Cc: Wong, Mun choy, Zulqarnain, Adam, Avinash Kadam, Bluez mailing list

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^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: Unexpected SMP Command 0x0a
  2017-05-23  8:13 ` Wong, Joshua Weng Onn
@ 2017-05-23 14:28   ` Marcel Holtmann
  2017-05-24  1:55     ` Wong, Joshua Weng Onn
  0 siblings, 1 reply; 8+ messages in thread
From: Marcel Holtmann @ 2017-05-23 14:28 UTC (permalink / raw)
  To: Wong, Joshua Weng Onn
  Cc: Wong, Mun choy, Zulqarnain, Adam, Avinash Kadam, Bluez mailing list

Hi Joshua,

> I would like to follow up with this issue.
> 
>>>>>>>> Yes, for secure connection the LTK is generated locally.
>>>>>>>> But issue here is observed that after Pairing is complete the
>>>>>>>> key distribution is not completed from Master.
>>>>>>>> 
>>>>>>>> i.e. After Slave sends the  "Signature key:" but Master doesn't
>>>>>>>> share any key.  Attached logs.
>>>>>>> I get that and that is clear from the logs. Something is
>>>>>>> stalling here and because of that, you run into the 30 seconds SMP
>> timeout.
>>>>>>> We just need to know if the 4.9 kernel is doing this correctly.
>>>>>>> If so, then you can bi-sect that patch that fixes. Without proof
>>>>>>> that
>>>>>>> 4.9 is also broken, nobody will even bother to chase this down.
>>>>>> 
>>>>>> I think the problem here is race between ACL data and HCI events
>>>>>> on USB dongle...  We get initial slave keys but those get dropped
>>>>>> due to encryption changed event not being received yet. Since
>>>>>> keys were silently dropped we later on get unexpected SMP PDU and
>>>>>> ignoring remaining keys as well which eventually leads to SMP
>> timeout.
>>>>>> 
>>>>>> If this is USB dongle (using btusd) then only (AFAIK) solution
>>>>>> would be to have a workaround for this inside chip (it would
>>>>>> delay ACL data received right after encryption change giving host
>>>>>> time to handle encpryption
>>>> change event).
>>>>>> Bluetooth specification for USB transport is unfortunatelly kinda
>> broken.
>>>>>> 
>>>>>> --
>>>>>> pozdrawiam
>>>>>> Szymon Janc
>>>>> 
>>>>> Thank you for your reply. Your inputs are valuable to us in
>>>>> helping to debug the
>>>> issue. Yes, we are indeed using the btusb kernel module and it is
>>>> using a USB interface (Bluetooth over USB).
>>>>> 
>>>>> I noticed that when btmgmt settings are set to turn 'bredr off',
>>>>> the 'ssp' mode
>>>> also turns off. Is this behavior expected to occur?
>>>>> My current settings are 'powered connectable discoverable bondable
>>>>> le
>>>> secure-conn’
>>>> 
>>>> the SSP (Secure Simple Pairing) is a BR/EDR only feature. So when
>>>> you disable BR/EDR, it will be disabled as well.
>>> 
>>> Thank you for your reply. It looks like I have understood this
>>> incorrectly as initially I read somewhere that LE adopts the SSP model
>>> in v4.1. Looks like this is not the case.
>>> 
>>> From the specification, I noted that SSP was introduced in BR/EDR in
>>> v2.1 which makes it a BR/EDR only feature.
>>> 
>>> I finally understand why ssp mode is disabled when I turned bredr off
>>> via btmgmt. Thank you for your clarification!
>> 
> 
> I notice a strange behavior during the LE Secure Connection pairing. This occurs at the LE Start Encryption event as seen in the following log:
> 
> 
> < HCI Command: LE Start Encryption (0x08|0x0019) plen 28       [hci0]
> 55.230548
>         Handle: 128
>         Random number: 0x0000000000000000
>         Encrypted diversifier: 0x0000
>         Long term key: 0e01142be9ddab9e6e6cef545562adc4
>> HCI Event: Command Status (0x0f) plen 4                      [hci0] 55.234468
>       LE Start Encryption (0x08|0x0019) ncmd 1
>         Status: Success (0x00)
>> ACL Data RX: Handle 128 flags 0x02 dlen 21                   [hci0] 55.500569
>       SMP: Signing Information (0x0a) len 16
>         Signature key: 1d916d5951791a271416a161cda981d6
>> HCI Event: Encryption Change (0x08) plen 4                   [hci0] 55.513836
>         Status: Success (0x00)
>         Handle: 128
>         Encryption: Enabled with AES-CCM (0x01)
> 
> 
> As noticed from the logs above, the "SMP: Signing Information (0x0a)" command appears first before the "Encryption Change (0x08)" HCI event. On a LE successful pairing, the encryption change should occur before the signing information command as can be 
> observed in the following log below. I was able to successfully perform a LE pairing through forced trial. The successful LE pairing only occurs 1 out of 10 times.

the problem is that we will need to wait for the Encryption Change before we can accept any key distribution from the remote side. So is this on an USB dongle? The over the air packet might be actually encrypted, but on the USB HCI transport we see it as non-encrypted and drop it.

So what hardware is this actually? Do you happen to have newer firmware for this hardware that fixes this race in the HCI lower transport.

Regards

Marcel


^ permalink raw reply	[flat|nested] 8+ messages in thread
* RE: Unexpected SMP Command 0x0a
  2017-05-23 14:28   ` Marcel Holtmann
@ 2017-05-24  1:55     ` Wong, Joshua Weng Onn
  2017-05-26 20:42       ` Marcel Holtmann
  0 siblings, 1 reply; 8+ messages in thread
From: Wong, Joshua Weng Onn @ 2017-05-24  1:55 UTC (permalink / raw)
  To: Marcel Holtmann
  Cc: Wong, Mun choy, Zulqarnain, Adam, Avinash Kadam, Bluez mailing list

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^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: Unexpected SMP Command 0x0a
  2017-05-24  1:55     ` Wong, Joshua Weng Onn
@ 2017-05-26 20:42       ` Marcel Holtmann
  2017-05-31  7:25         ` Wong, Joshua Weng Onn
  0 siblings, 1 reply; 8+ messages in thread
From: Marcel Holtmann @ 2017-05-26 20:42 UTC (permalink / raw)
  To: Wong, Joshua Weng Onn
  Cc: Wong, Mun choy, Zulqarnain, Adam, Avinash Kadam, Bluez mailing list

Hi Joshua,

>>> I would like to follow up with this issue.
>>> 
>>>>>>>>>> Yes, for secure connection the LTK is generated locally.
>>>>>>>>>> But issue here is observed that after Pairing is complete the
>>>>>>>>>> key distribution is not completed from Master.
>>>>>>>>>> 
>>>>>>>>>> i.e. After Slave sends the  "Signature key:" but Master doesn't
>>>>>>>>>> share any key.  Attached logs.
>>>>>>>>> I get that and that is clear from the logs. Something is
>>>>>>>>> stalling here and because of that, you run into the 30 seconds
>>>>>>>>> SMP
>>>> timeout.
>>>>>>>>> We just need to know if the 4.9 kernel is doing this correctly.
>>>>>>>>> If so, then you can bi-sect that patch that fixes. Without proof
>>>>>>>>> that
>>>>>>>>> 4.9 is also broken, nobody will even bother to chase this down.
>>>>>>>> 
>>>>>>>> I think the problem here is race between ACL data and HCI events
>>>>>>>> on USB dongle...  We get initial slave keys but those get dropped
>>>>>>>> due to encryption changed event not being received yet. Since
>>>>>>>> keys were silently dropped we later on get unexpected SMP PDU
>> and
>>>>>>>> ignoring remaining keys as well which eventually leads to SMP
>>>> timeout.
>>>>>>>> 
>>>>>>>> If this is USB dongle (using btusd) then only (AFAIK) solution
>>>>>>>> would be to have a workaround for this inside chip (it would
>>>>>>>> delay ACL data received right after encryption change giving host
>>>>>>>> time to handle encpryption
>>>>>> change event).
>>>>>>>> Bluetooth specification for USB transport is unfortunatelly kinda
>>>> broken.
>>>>>>>> 
>>>>>>>> --
>>>>>>>> pozdrawiam
>>>>>>>> Szymon Janc
>>>>>>> 
>>>>>>> Thank you for your reply. Your inputs are valuable to us in
>>>>>>> helping to debug the
>>>>>> issue. Yes, we are indeed using the btusb kernel module and it is
>>>>>> using a USB interface (Bluetooth over USB).
>>>>>>> 
>>>>>>> I noticed that when btmgmt settings are set to turn 'bredr off',
>>>>>>> the 'ssp' mode
>>>>>> also turns off. Is this behavior expected to occur?
>>>>>>> My current settings are 'powered connectable discoverable bondable
>>>>>>> le
>>>>>> secure-conn’
>>>>>> 
>>>>>> the SSP (Secure Simple Pairing) is a BR/EDR only feature. So when
>>>>>> you disable BR/EDR, it will be disabled as well.
>>>>> 
>>>>> Thank you for your reply. It looks like I have understood this
>>>>> incorrectly as initially I read somewhere that LE adopts the SSP
>>>>> model in v4.1. Looks like this is not the case.
>>>>> 
>>>>> From the specification, I noted that SSP was introduced in BR/EDR in
>>>>> v2.1 which makes it a BR/EDR only feature.
>>>>> 
>>>>> I finally understand why ssp mode is disabled when I turned bredr
>>>>> off via btmgmt. Thank you for your clarification!
>>>> 
>>> 
>>> I notice a strange behavior during the LE Secure Connection pairing. This
>> occurs at the LE Start Encryption event as seen in the following log:
>>> 
>>> 
>>> < HCI Command: LE Start Encryption (0x08|0x0019) plen 28       [hci0]
>>> 55.230548
>>>        Handle: 128
>>>        Random number: 0x0000000000000000
>>>        Encrypted diversifier: 0x0000
>>>        Long term key: 0e01142be9ddab9e6e6cef545562adc4
>>>> HCI Event: Command Status (0x0f) plen 4                      [hci0] 55.234468
>>>      LE Start Encryption (0x08|0x0019) ncmd 1
>>>        Status: Success (0x00)
>>>> ACL Data RX: Handle 128 flags 0x02 dlen 21                   [hci0] 55.500569
>>>      SMP: Signing Information (0x0a) len 16
>>>        Signature key: 1d916d5951791a271416a161cda981d6
>>>> HCI Event: Encryption Change (0x08) plen 4                   [hci0] 55.513836
>>>        Status: Success (0x00)
>>>        Handle: 128
>>>        Encryption: Enabled with AES-CCM (0x01)
>>> 
>>> 
>>> As noticed from the logs above, the "SMP: Signing Information (0x0a)"
>>> command appears first before the "Encryption Change (0x08)" HCI event.
>> On a LE successful pairing, the encryption change should occur before the
>> signing information command as can be observed in the following log
>> below. I was able to successfully perform a LE pairing through forced trial.
>> The successful LE pairing only occurs 1 out of 10 times.
>> 
>> the problem is that we will need to wait for the Encryption Change before
>> we can accept any key distribution from the remote side. So is this on an
>> USB dongle? The over the air packet might be actually encrypted, but on the
>> USB HCI transport we see it as non-encrypted and drop it.
>> 
>> So what hardware is this actually? Do you happen to have newer firmware
>> for this hardware that fixes this race in the HCI lower transport.
> 
> Thank you for your inputs. We appreciate it very much.
> 
> The module we are using is a M.2 form factor (E-Key, 2230 package). The Bluetooth interface is USB 2.0. We are using a Marvell 88W8897 SoC running the pcie8897_uapsta.bin firmware version 7.p77. This is the latest firmware version and we do not have any newer firmware. The link to the firmware is as follows:
> https://kernel.googlesource.com/pub/scm/linux/kernel/git/firmware/linux-firmware/+/05e2f3a4acf4174ec507a3464a374ecb1b4ec011
> 
> We are using kernel 4.1.27 on our system running the btusb driver.
> We have also tried the LE pairing on kernel 4.9 and kernel 4.10. In both of these kernels, the race condition occurs and the pairing fails.
> It looks like we will need to contact Marvell on the race condition in HCI lower transport. 

so this is an USB only problem. And now that you say you are seeing this on Marvell hardware, then it might be the case that they still have not addressed this issue in their firmware. I think they should be aware of it, but it is pretty much a firmware problem and Marvell needs to address.

> Apart from that, should the LE pairing work normally on other transports e.g. UART/SDIO?


So UART and SDIO are not affected since they are a single "endpoint" and fully sequential transport protocol for HCI. With USB the difference is that HCI events and HCI data is using two independent "endpoints". In USB, the firmware needs to make sure the the HCI event is delivered to the host (meaning the host polled the URBs) on the interrupt endpoint before it fills the bulk endpoints for the HCI data packets.

Regards

Marcel


^ permalink raw reply	[flat|nested] 8+ messages in thread
* RE: Unexpected SMP Command 0x0a
  2017-05-26 20:42       ` Marcel Holtmann
@ 2017-05-31  7:25         ` Wong, Joshua Weng Onn
  0 siblings, 0 replies; 8+ messages in thread
From: Wong, Joshua Weng Onn @ 2017-05-31  7:25 UTC (permalink / raw)
  To: Marcel Holtmann
  Cc: Wong, Mun choy, Zulqarnain, Adam, Avinash Kadam, Bluez mailing list

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^ permalink raw reply	[flat|nested] 8+ messages in thread
* Re: Unexpected SMP Command 0x0a
  2017-03-27  3:35 Wong, Joshua Weng Onn
@ 2017-03-27 13:59 ` Marcel Holtmann
  0 siblings, 0 replies; 8+ messages in thread
From: Marcel Holtmann @ 2017-03-27 13:59 UTC (permalink / raw)
  To: Wong, Joshua Weng Onn
  Cc: Bluez mailing list, Wong, Mun choy, Zulqarnain, Adam

Hi Joshua,

please refrain from top posting on this mailing list.

> Thank you for your reply. We are using the 4.1.x kernel as our group has performed validation work on it and achieved 'Gold release' standard for our customers.
> I have attached my logs during the LE pairing process at the end of this email. There are two logs namely master and slave device. Note that the logs I provided is for secure connections on.
> The log I sent previously was ford secure connections turned off. Nonetheless, the LE pairing fails on both settings i.e. when secured connections is turned on and when secured connections is turned off.

So the pairing itself succeeds, but for some reason the mgmt command indicating its completion.

> < ACL Data TX: Handle 128 flags 0x00 dlen 21                               [hci0] 760.114731
>      SMP: Pairing DHKey Check (0x0d) len 16
>        E: f3373b60ba9063449ebef0f3dd7d9781
>> HCI Event: Number of Completed Packets (0x13) plen 5                     [hci0] 760.132942
>        Num handles: 1
>        Handle: 128
>        Count: 1
>> ACL Data RX: Handle 128 flags 0x02 dlen 21                               [hci0] 760.200373
>      SMP: Pairing DHKey Check (0x0d) len 16
>        E: 975be5ee4a205e1ac4811baa970abf10
> < HCI Command: LE Start Encryption (0x08|0x0019) plen 28                   [hci0] 760.200595
>        Handle: 128
>        Random number: 0x0000000000000000
>        Encrypted diversifier: 0x0000
>        Long term key: 7ee01e3f27750b9393533941a4f3e198
>> HCI Event: Command Status (0x0f) plen 4                                  [hci0] 760.206677
>      LE Start Encryption (0x08|0x0019) ncmd 1
>        Status: Success (0x00)
>> ACL Data RX: Handle 128 flags 0x02 dlen 21                               [hci0] 760.470529
>      SMP: Signing Information (0x0a) len 16
>        Signature key: 1866336f92238bf953611245b7ad51f7
>> HCI Event: Encryption Change (0x08) plen 4                               [hci0] 760.470733
>        Status: Success (0x00)
>        Handle: 128
>        Encryption: Enabled with AES-CCM (0x01)
>> HCI Event: Disconnect Complete (0x05) plen 4                             [hci0] 790.576443
>        Status: Success (0x00)
>        Handle: 128
>        Reason: Remote User Terminated Connection (0x13)
> @ Device Disconnected: 74:C6:3B:AB:68:EA (1) reason 3

The pairing itself completes and the encryption gets enabled. Also the CSRK gets distributed (note LTK gets not distributed in the SC case).

What is missing here is that mgmt notifies user space about the new LTK and CSRK. However what I wonder is if the CSRK distribution might cause some issue since it is the only distributed material. I don’t think that I have seen that before.

Can this be reproduced with a 4.9 kernel?

Regards

Marcel


^ permalink raw reply	[flat|nested] 8+ messages in thread
* RE: Unexpected SMP Command 0x0a
@ 2017-03-27  3:35 Wong, Joshua Weng Onn
  2017-03-27 13:59 ` Marcel Holtmann
  0 siblings, 1 reply; 8+ messages in thread
From: Wong, Joshua Weng Onn @ 2017-03-27  3:35 UTC (permalink / raw)
  To: marcel; +Cc: Bluez mailing list, Wong, Mun choy, Zulqarnain, Adam

Hi Marcel,

Thank you for your reply. We are using the 4.1.x kernel as our group has pe=
rformed validation work on it and achieved 'Gold release' standard for our =
customers.
I have attached my logs during the LE pairing process at the end of this em=
ail. There are two logs namely master and slave device. Note that the logs =
I provided is for secure connections on.
The log I sent previously was ford secure connections turned off. Nonethele=
ss, the LE pairing fails on both settings i.e. when secured connections is =
turned on and when secured connections is turned off.

Also, I've realized that my title was wrong previously. I've updated it to =
reflect 0x0a instead of 0x17.

> Hi Joshua,
>=20
> > I am seeing an error during the LE pairing process which makes the pair=
ing to
> fail. I have two DUTs which uses the Marvell 88W8897.
> > Here are my BT settings for both master and slave:
> >
> > Master:
> > $ btmgmt info
> > current settings: powered connectable discoverable bondable ssp br/edr =
le
> secure-conn
> >
> > Slave:
> > $ btmgmt info
> > Current settings: powered connectable bondable le advertising secure-co=
nn
> >
> > When I initiate the pairing process from the master, I observed the mes=
sage:
> > "Bluetooth: hci0 unexpected SMP command 0x0a from 74:c6:3b:ab:68:ea"
> >
> > Where 74:c6:3b:ab:68:ea is the address of the slave device.
> >
> > In the btmon log of the master device, it is observed that after the Sl=
ave device
> has transmitted the keys, the Master does not transmit it. Hence, the Sla=
ve is not
> receiving the keys and thus disconnects the link and pairing is failed.
> >
> >> ACL Data RX: Handle 128 flags 0x02 dlen 21                            =
   [hci0]
> 124.801098
> >      SMP: Encryption Information (0x06) len 16
> >        Long term key: 9ac691e96e85e82ca68f4b6d2abec80f
> >> HCI Event: Encryption Change (0x08) plen 4                            =
   [hci0]
> 124.801261
> >        Status: Success (0x00)
> >        Handle: 128
> >        Encryption: Enabled with AES-CCM (0x01)
> >> ACL Data RX: Handle 128 flags 0x02 dlen 15                            =
   [hci0]
> 124.812761
> >      SMP: Master Identification (0x07) len 10
> >        EDIV: 0xea3f
> >        Rand: 0x806e542a78f55d7c
> >> ACL Data RX: Handle 128 flags 0x02 dlen 21                            =
   [hci0]
> 124.812782
> >      SMP: Signing Information (0x0a) len 16
> >        Signature key: 4451b8ae0eff90f0a47fb96be53479fb
> >> HCI Event: Disconnect Complete (0x05) plen 4                          =
   [hci0]
> 154.839591
> >        Status: Success (0x00)
> >        Handle: 128
> >        Reason: Remote User Terminated Connection (0x13)
> >
> > =3D> At this point, Master should start sending LTK to slave, but Maste=
r doesn't
> send the LTK so Slave disconnects the link and pairing is failed.
> >
> > What could possibly cause the master to not send the LTK? My kernel ver=
sion
> is v4.1.27 and bluez stack is v5.40. I would appreciate advice on this.
>=20
> if this is LE Secure Connections, then the LTK is no longer distributed. =
It is being
> calculated from ECDH. Please include the complete SMP exchanges. Only the=
n
> we can see what is going on.
>=20
> Also keep in mind that 4.1.x kernels are actually rather old. The latest =
one is
> 4.10.x and if there is a bug, you should verify that it also happens with=
 the latest
> kernel.
>=20
> Regards
>=20
> Marcel

btmon log of master device:
< HCI Command: LE Create Connection (0x08|0x000d) plen 25                  =
[hci0] 752.498799
        Scan interval: 60.000 msec (0x0060)
        Scan window: 30.000 msec (0x0030)
        Filter policy: White list is not used (0x00)
        Peer address type: Public (0x00)
        Peer address: 74:C6:3B:AB:68:EA (OUI 74-C6-3B)
        Own address type: Public (0x00)
        Min connection interval: 50.00 msec (0x0028)
        Max connection interval: 70.00 msec (0x0038)
        Connection latency: 0x0000
        Supervision timeout: 420 msec (0x002a)
        Min connection length: 0.000 msec (0x0000)
        Max connection length: 0.000 msec (0x0000)
> HCI Event: Command Status (0x0f) plen 4                                  =
[hci0] 752.505320
      LE Create Connection (0x08|0x000d) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 19                                  =
[hci0] 753.061210
      LE Connection Complete (0x01)
        Status: Success (0x00)
        Handle: 128
        Role: Master (0x00)
        Peer address type: Public (0x00)
        Peer address: 74:C6:3B:AB:68:EA (OUI 74-C6-3B)
        Connection interval: 67.50 msec (0x0036)
        Connection latency: 0.00 msec (0x0000)
        Supervision timeout: 420 msec (0x002a)
        Master clock accuracy: 0x01
@ Device Connected: 74:C6:3B:AB:68:EA (1) flags 0x0000
< HCI Command: LE Read Remote Used Features (0x08|0x0016) plen 2           =
[hci0] 753.063118
        Handle: 128
> HCI Event: Command Status (0x0f) plen 4                                  =
[hci0] 753.068964
      LE Read Remote Used Features (0x08|0x0016) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 12                                  =
[hci0] 753.249205
      LE Read Remote Used Features (0x04)
        Status: Success (0x00)
        Handle: 128
        Features: 0x4f 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          LE Encryption
          Connection Parameter Request Procedure
          Extended Reject Indication
          Slave-initiated Features Exchange
          LL Privacy
< ACL Data TX: Handle 128 flags 0x00 dlen 11                               =
[hci0] 753.250193
      SMP: Pairing Request (0x01) len 6
        IO capability: KeyboardDisplay (0x04)
        OOB data: Authentication data not present (0x00)
        Authentication requirement: Bonding, MITM, SC, No Keypresses (0x0d)
        Max encryption key size: 16
        Initiator key distribution: EncKey Sign LinkKey (0x0d)
        Responder key distribution: EncKey IdKey Sign LinkKey (0x0f)
< ACL Data TX: Handle 128 flags 0x00 dlen 7                                =
[hci0] 753.262956
      ATT: Exchange MTU Request (0x02) len 2
        Client RX MTU: 517
> ACL Data RX: Handle 128 flags 0x02 dlen 7                                =
[hci0] 753.315441
      ATT: Exchange MTU Request (0x02) len 2
        Client RX MTU: 517
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.315718
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 7                                =
[hci0] 753.316060
      ATT: Exchange MTU Response (0x03) len 2
        Server RX MTU: 517
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.316008
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 11                               =
[hci0] 753.382935
      SMP: Pairing Response (0x02) len 6
        IO capability: DisplayYesNo (0x01)
        OOB data: Authentication data not present (0x00)
        Authentication requirement: Bonding, MITM, SC, No Keypresses (0x0d)
        Max encryption key size: 16
        Initiator key distribution: EncKey Sign (0x05)
        Responder key distribution: EncKey Sign (0x05)
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.383085
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                                =
[hci0] 753.383401
      ATT: Exchange MTU Response (0x03) len 2
        Server RX MTU: 517
< ACL Data TX: Handle 128 flags 0x00 dlen 69                               =
[hci0] 753.385376
      SMP: Pairing Public Key (0x0c) len 64
        X: 17780eede45fb83689cabb6803f5f0de1da6cfe3d51a3cf5553eafb94910c5b5
        Y: 85e0b332945e7190afd622a1fdd5aa5d365722319a25fc8d7d860d02dc60b4af
< ACL Data TX: Handle 128 flags 0x00 dlen 11                               =
[hci0] 753.385625
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0001-0xffff
        Attribute group type: Primary Service (0x2800)
> ACL Data RX: Handle 128 flags 0x02 dlen 11                               =
[hci0] 753.451682
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0001-0xffff
        Attribute group type: Primary Service (0x2800)
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.451999
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 18                               =
[hci0] 753.452165
      ATT: Read By Group Type Response (0x11) len 13
        Attribute data length: 6
        Attribute group list: 2 entries
        Handle range: 0x0001-0x0005
        UUID: Generic Access Profile (0x1800)
        Handle range: 0x0006-0x0009
        UUID: Generic Attribute Profile (0x1801)
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.452420
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.518890
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 69                               =
[hci0] 753.518986
      SMP: Pairing Public Key (0x0c) len 64
        X: 1da0aaa663fe5fd9da217d0da76c3ee298ba52150bbf2785fddd38f464faef84
        Y: 8f378562b6e025f2e2dc4e1e05e501f599f4bb63efde8c46cc98a12cf8cc16f5
> ACL Data RX: Handle 128 flags 0x02 dlen 21                               =
[hci0] 753.519023
      SMP: Pairing Confirm (0x03) len 16
        Confim value: 906ada103cf5a740c67a316e15c5e133
> ACL Data RX: Handle 128 flags 0x02 dlen 18                               =
[hci0] 753.519487
      ATT: Read By Group Type Response (0x11) len 13
        Attribute data length: 6
        Attribute group list: 2 entries
        Handle range: 0x0001-0x0005
        UUID: Generic Access Profile (0x1800)
        Handle range: 0x0006-0x0009
        UUID: Generic Attribute Profile (0x1801)
< ACL Data TX: Handle 128 flags 0x00 dlen 21                               =
[hci0] 753.523611
      SMP: Pairing Random (0x04) len 16
        Random value: 52bd97adce116ec51777d770ac159c35
< ACL Data TX: Handle 128 flags 0x00 dlen 11                               =
[hci0] 753.524480
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x000a-0xffff
        Attribute group type: Primary Service (0x2800)
> ACL Data RX: Handle 128 flags 0x02 dlen 11                               =
[hci0] 753.586528
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x000a-0xffff
        Attribute group type: Primary Service (0x2800)
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.586580
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.586824
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 9                                =
[hci0] 753.586903
      ATT: Error Response (0x01) len 4
        Read By Group Type Request (0x10)
        Handle: 0x000a
        Error: Attribute Not Found (0x0a)
> ACL Data RX: Handle 128 flags 0x02 dlen 21                               =
[hci0] 753.652953
      SMP: Pairing Random (0x04) len 16
        Random value: e7af794cd9f6401a29aaedc8fac8db18
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.653123
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 9                                =
[hci0] 753.653417
      ATT: Error Response (0x01) len 4
        Read By Group Type Request (0x10)
        Handle: 0x000a
        Error: Attribute Not Found (0x0a)
@ User Confirmation Request: 74:C6:3B:AB:68:EA (1) hint 0 value 706962
< ACL Data TX: Handle 128 flags 0x00 dlen 9                                =
[hci0] 753.685954
      ATT: Write Request (0x12) len 4
        Handle: 0x0009
          Data: 0200
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.720303
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 5                                =
[hci0] 753.856549
      ATT: Write Response (0x13) len 0
> ACL Data RX: Handle 128 flags 0x02 dlen 9                                =
[hci0] 753.856852
      ATT: Write Request (0x12) len 4
        Handle: 0x0009
          Data: 0200
< ACL Data TX: Handle 128 flags 0x00 dlen 5                                =
[hci0] 753.857115
      ATT: Write Response (0x13) len 0
< ACL Data TX: Handle 128 flags 0x00 dlen 7                                =
[hci0] 753.857138
      ATT: Read Request (0x0a) len 2
        Handle: 0x0003
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.922945
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 753.923257
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                                =
[hci0] 753.991563
      ATT: Read Request (0x0a) len 2
        Handle: 0x0003
> ACL Data RX: Handle 128 flags 0x02 dlen 10                               =
[hci0] 753.991866
      ATT: Read Response (0x0b) len 5
        Value: 426c75655a
< ACL Data TX: Handle 128 flags 0x00 dlen 12                               =
[hci0] 753.992217
      ATT: Read Response (0x0b) len 7
        Value: 67697261666665
< ACL Data TX: Handle 128 flags 0x00 dlen 7                                =
[hci0] 753.992256
      ATT: Read Request (0x0a) len 2
        Handle: 0x0005
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 754.057946
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 754.058278
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                                =
[hci0] 754.126628
      ATT: Read Response (0x0b) len 2
        Value: 0000
> ACL Data RX: Handle 128 flags 0x02 dlen 7                                =
[hci0] 754.126945
      ATT: Read Request (0x0a) len 2
        Handle: 0x0005
< ACL Data TX: Handle 128 flags 0x00 dlen 7                                =
[hci0] 754.127655
      ATT: Read Response (0x0b) len 2
        Value: 1001
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 754.192985
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 21                               =
[hci0] 760.114731
      SMP: Pairing DHKey Check (0x0d) len 16
        E: f3373b60ba9063449ebef0f3dd7d9781
> HCI Event: Number of Completed Packets (0x13) plen 5                     =
[hci0] 760.132942
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 21                               =
[hci0] 760.200373
      SMP: Pairing DHKey Check (0x0d) len 16
        E: 975be5ee4a205e1ac4811baa970abf10
< HCI Command: LE Start Encryption (0x08|0x0019) plen 28                   =
[hci0] 760.200595
        Handle: 128
        Random number: 0x0000000000000000
        Encrypted diversifier: 0x0000
        Long term key: 7ee01e3f27750b9393533941a4f3e198
> HCI Event: Command Status (0x0f) plen 4                                  =
[hci0] 760.206677
      LE Start Encryption (0x08|0x0019) ncmd 1
        Status: Success (0x00)
> ACL Data RX: Handle 128 flags 0x02 dlen 21                               =
[hci0] 760.470529
      SMP: Signing Information (0x0a) len 16
        Signature key: 1866336f92238bf953611245b7ad51f7
> HCI Event: Encryption Change (0x08) plen 4                               =
[hci0] 760.470733
        Status: Success (0x00)
        Handle: 128
        Encryption: Enabled with AES-CCM (0x01)
> HCI Event: Disconnect Complete (0x05) plen 4                             =
[hci0] 790.576443
        Status: Success (0x00)
        Handle: 128
        Reason: Remote User Terminated Connection (0x13)
@ Device Disconnected: 74:C6:3B:AB:68:EA (1) reason 3


btmon log of slave device:
> HCI Event: LE Meta Event (0x3e) plen 19                     [hci0] 201.87=
5863
      LE Connection Complete (0x01)
        Status: Success (0x00)
        Handle: 128
        Role: Slave (0x01)
        Peer address type: Public (0x00)
        Peer address: 74:C6:3B:AB:68:E0 (OUI 74-C6-3B)
        Connection interval: 67.50 msec (0x0036)
        Connection latency: 0.00 msec (0x0000)
        Supervision timeout: 420 msec (0x002a)
        Master clock accuracy: 0x01
@ Device Connected: 74:C6:3B:AB:68:E0 (1) flags 0x0000
< HCI Command: LE Read Remote Used Fe.. (0x08|0x0016) plen 2  [hci0] 201.87=
7629
        Handle: 128
> HCI Event: Command Status (0x0f) plen 4                     [hci0] 201.88=
4437
      LE Read Remote Used Features (0x08|0x0016) ncmd 1
        Status: Success (0x00)
> HCI Event: LE Meta Event (0x3e) plen 12                     [hci0] 202.06=
3367
      LE Read Remote Used Features (0x04)
        Status: Success (0x00)
        Handle: 128
        Features: 0x4f 0x00 0x00 0x00 0x00 0x00 0x00 0x00
          LE Encryption
          Connection Parameter Request Procedure
          Extended Reject Indication
          Slave-initiated Features Exchange
          LL Privacy
< ACL Data TX: Handle 128 flags 0x00 dlen 7                   [hci0] 202.07=
6740
      ATT: Exchange MTU Request (0x02) len 2
        Client RX MTU: 517
> ACL Data RX: Handle 128 flags 0x02 dlen 11                  [hci0] 202.13=
0925
      SMP: Pairing Request (0x01) len 6
        IO capability: KeyboardDisplay (0x04)
        OOB data: Authentication data not present (0x00)
        Authentication requirement: Bonding, MITM, SC, No Keypresses (0x0d)
        Max encryption key size: 16
        Initiator key distribution: EncKey Sign LinkKey (0x0d)
        Responder key distribution: EncKey IdKey Sign LinkKey (0x0f)
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.13=
1213
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                   [hci0] 202.13=
1481
      ATT: Exchange MTU Request (0x02) len 2
        Client RX MTU: 517
< ACL Data TX: Handle 128 flags 0x00 dlen 11                  [hci0] 202.13=
1616
      SMP: Pairing Response (0x02) len 6
        IO capability: DisplayYesNo (0x01)
        OOB data: Authentication data not present (0x00)
        Authentication requirement: Bonding, MITM, SC, No Keypresses (0x0d)
        Max encryption key size: 16
        Initiator key distribution: EncKey Sign (0x05)
        Responder key distribution: EncKey Sign (0x05)
< ACL Data TX: Handle 128 flags 0x00 dlen 7                   [hci0] 202.13=
2157
      ATT: Exchange MTU Response (0x03) len 2
        Server RX MTU: 517
> ACL Data RX: Handle 128 flags 0x02 dlen 7                   [hci0] 202.19=
8437
      ATT: Exchange MTU Response (0x03) len 2
        Server RX MTU: 517
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.19=
8721
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 11                  [hci0] 202.19=
9227
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0001-0xffff
        Attribute group type: Primary Service (0x2800)
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.26=
4636
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.26=
5101
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 69                  [hci0] 202.26=
5382
      SMP: Pairing Public Key (0x0c) len 64
        X: 17780eede45fb83689cabb6803f5f0de1da6cfe3d51a3cf5553eafb94910c5b5
        Y: 85e0b332945e7190afd622a1fdd5aa5d365722319a25fc8d7d860d02dc60b4af
> ACL Data RX: Handle 128 flags 0x02 dlen 11                  [hci0] 202.26=
5849
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x0001-0xffff
        Attribute group type: Primary Service (0x2800)
< ACL Data TX: Handle 128 flags 0x00 dlen 69                  [hci0] 202.28=
1447
      SMP: Pairing Public Key (0x0c) len 64
        X: 1da0aaa663fe5fd9da217d0da76c3ee298ba52150bbf2785fddd38f464faef84
        Y: 8f378562b6e025f2e2dc4e1e05e501f599f4bb63efde8c46cc98a12cf8cc16f5
< ACL Data TX: Handle 128 flags 0x00 dlen 21                  [hci0] 202.28=
1508
      SMP: Pairing Confirm (0x03) len 16
        Confim value: 906ada103cf5a740c67a316e15c5e133
< ACL Data TX: Handle 128 flags 0x00 dlen 18                  [hci0] 202.28=
1958
      ATT: Read By Group Type Response (0x11) len 13
        Attribute data length: 6
        Attribute group list: 2 entries
        Handle range: 0x0001-0x0005
        UUID: Generic Access Profile (0x1800)
        Handle range: 0x0006-0x0009
        UUID: Generic Attribute Profile (0x1801)
> ACL Data RX: Handle 128 flags 0x02 dlen 18                  [hci0] 202.33=
4680
      ATT: Read By Group Type Response (0x11) len 13
        Attribute data length: 6
        Attribute group list: 2 entries
        Handle range: 0x0001-0x0005
        UUID: Generic Access Profile (0x1800)
        Handle range: 0x0006-0x0009
        UUID: Generic Attribute Profile (0x1801)
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.33=
4962
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.33=
5273
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 11                  [hci0] 202.33=
5631
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x000a-0xffff
        Attribute group type: Primary Service (0x2800)
> ACL Data RX: Handle 128 flags 0x02 dlen 21                  [hci0] 202.39=
9670
      SMP: Pairing Random (0x04) len 16
        Random value: 52bd97adce116ec51777d770ac159c35
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.39=
9938
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 21                  [hci0] 202.39=
9986
      SMP: Pairing Random (0x04) len 16
        Random value: e7af794cd9f6401a29aaedc8fac8db18
> ACL Data RX: Handle 128 flags 0x02 dlen 11                  [hci0] 202.40=
0459
      ATT: Read By Group Type Request (0x10) len 6
        Handle range: 0x000a-0xffff
        Attribute group type: Primary Service (0x2800)
@ User Confirmation Request: 74:C6:3B:AB:68:E0 (1) hint 0 value 706962
< ACL Data TX: Handle 128 flags 0x00 dlen 9                   [hci0] 202.40=
0956
      ATT: Error Response (0x01) len 4
        Read By Group Type Request (0x10)
        Handle: 0x000a
        Error: Attribute Not Found (0x0a)
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.40=
0898
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 9                   [hci0] 202.46=
8436
      ATT: Error Response (0x01) len 4
        Read By Group Type Request (0x10)
        Handle: 0x000a
        Error: Attribute Not Found (0x0a)
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.46=
8638
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 9                   [hci0] 202.53=
5940
      ATT: Write Request (0x12) len 4
        Handle: 0x0009
          Data: 0200
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.53=
6128
        Num handles: 1
        Handle: 128
        Count: 1
< ACL Data TX: Handle 128 flags 0x00 dlen 5                   [hci0] 202.59=
7986
      ATT: Write Response (0x13) len 0
< ACL Data TX: Handle 128 flags 0x00 dlen 9                   [hci0] 202.59=
8036
      ATT: Write Request (0x12) len 4
        Handle: 0x0009
          Data: 0200
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.67=
0869
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 5                   [hci0] 202.73=
7205
      ATT: Write Response (0x13) len 0
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.73=
7378
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                   [hci0] 202.73=
7672
      ATT: Read Request (0x0a) len 2
        Handle: 0x0003
< ACL Data TX: Handle 128 flags 0x00 dlen 7                   [hci0] 202.73=
7767
      ATT: Read Request (0x0a) len 2
        Handle: 0x0003
< ACL Data TX: Handle 128 flags 0x00 dlen 10                  [hci0] 202.73=
7914
      ATT: Read Response (0x0b) len 5
        Value: 426c75655a
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.80=
5865
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 12                  [hci0] 202.87=
2207
      ATT: Read Response (0x0b) len 7
        Value: 67697261666665
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.87=
2429
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                   [hci0] 202.87=
2742
      ATT: Read Request (0x0a) len 2
        Handle: 0x0005
< ACL Data TX: Handle 128 flags 0x00 dlen 7                   [hci0] 202.87=
3489
      ATT: Read Response (0x0b) len 2
        Value: 0000
< ACL Data TX: Handle 128 flags 0x00 dlen 7                   [hci0] 202.87=
3543
      ATT: Read Request (0x0a) len 2
        Handle: 0x0005
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 202.94=
0673
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 7                   [hci0] 203.00=
9022
      ATT: Read Response (0x0b) len 2
        Value: 1001
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 203.00=
9069
        Num handles: 1
        Handle: 128
        Count: 1
> ACL Data RX: Handle 128 flags 0x02 dlen 21                  [hci0] 208.94=
8405
      SMP: Pairing DHKey Check (0x0d) len 16
        E: f3373b60ba9063449ebef0f3dd7d9781
< ACL Data TX: Handle 128 flags 0x00 dlen 21                  [hci0] 208.94=
8615
      SMP: Pairing DHKey Check (0x0d) len 16
        E: 975be5ee4a205e1ac4811baa970abf10
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 209.08=
3476
        Num handles: 1
        Handle: 128
        Count: 1
> HCI Event: LE Meta Event (0x3e) plen 13                     [hci0] 209.08=
3793
      LE Long Term Key Request (0x05)
        Handle: 128
        Random number: 0x0000000000000000
        Encrypted diversifier: 0x0000
< HCI Command: LE Long Term Key Requ.. (0x08|0x001a) plen 18  [hci0] 209.08=
3869
        Handle: 128
        Long term key: 7ee01e3f27750b9393533941a4f3e198
> HCI Event: Command Complete (0x0e) plen 6                   [hci0] 209.08=
7194
      LE Long Term Key Request Reply (0x08|0x001a) ncmd 1
        Status: Success (0x00)
        Handle: 128
> HCI Event: Encryption Change (0x08) plen 4                  [hci0] 209.21=
8486
        Status: Success (0x00)
        Handle: 128
        Encryption: Enabled with AES-CCM (0x01)
< ACL Data TX: Handle 128 flags 0x00 dlen 21                  [hci0] 209.21=
8733
      SMP: Signing Information (0x0a) len 16
        Signature key: 1866336f92238bf953611245b7ad51f7
> HCI Event: Number of Completed Packets (0x13) plen 5        [hci0] 209.35=
2241
        Num handles: 1
        Handle: 128
        Count: 1
< HCI Command: Disconnect (0x01|0x0006) plen 3                [hci0] 239.26=
1952
        Handle: 128
        Reason: Remote User Terminated Connection (0x13)
> HCI Event: Command Status (0x0f) plen 4                     [hci0] 239.26=
8876
      Disconnect (0x01|0x0006) ncmd 1
        Status: Success (0x00)
> HCI Event: Disconnect Complete (0x05) plen 4                [hci0] 239.39=
2130
        Status: Success (0x00)
        Handle: 128
        Reason: Connection Terminated By Local Host (0x16)
@ Device Disconnected: 74:C6:3B:AB:68:E0 (1) reason 2


Thank you.

Best regards,
Joshua

^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2017-05-31  7:25 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-05-02  7:15 Unexpected SMP Command 0x0a Wong, Joshua Weng Onn
2017-05-23  8:13 ` Wong, Joshua Weng Onn
2017-05-23 14:28   ` Marcel Holtmann
2017-05-24  1:55     ` Wong, Joshua Weng Onn
2017-05-26 20:42       ` Marcel Holtmann
2017-05-31  7:25         ` Wong, Joshua Weng Onn
  -- strict thread matches above, loose matches on Subject: below --
2017-03-27  3:35 Wong, Joshua Weng Onn
2017-03-27 13:59 ` Marcel Holtmann

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