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Issue metadata

Status: ExternalDependency
Owner:
Cc:
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 3
Type: Bug

Blocked on:
issue 685972



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WebBluetooth messages stop after a view seconds

Reported by tijmenva...@gmail.com, Jan 14 2017

Issue description

Chrome Version       : Version 55.0.2883.95 (64-bit)
URLs (if applicable) : https://github.com/tijmenvangulik/ErgometerJS/tree/master/demos/webbluetooth
Other browsers tested: canary (same results)

What steps will reproduce the problem?
you will need to connect to a PM5 ergometer using blue tooth to reproduce it. (I assume this will not be possible)

What is the expected result?

I have a project which connects my javascript project to an ergometer using blue tooth. The project works fine for node/ electron where I connect using noble or cordova-plugin-ble. I have created an version where I connect from chrome to the ergometer. This worked fine in chrome canary with the build around 22 juli 2015. I have started the project on the latest chrome and chrome canary and now something strange happens:

The applications connects, gets messages from the blue tooth connected ergometer and then after a view seconds I do not get messages from the ergometer any more. The connection is still there but I do not receive anything any more. 

I have included the chrome debug log and the console log of my application. Maybe you see something in it. But it looks like a bug because the code worked fine in an older version of chrome and when I connect using noble with the same application I do not have this problems.

I hope you have enough information to fix this bug.

Thanks,

Tijmen

 
LogChrome.txt
114 KB View Download
LogJavascript.txt
12.3 KB View Download
PacketLog.pklg
201 KB Download
The packet log is made on an second atempt is not exactly matching the first log. The messages stopped earlier then in the first documented run. 
Components: Blink>Bluetooth
Labels: M-55 TE-NeedsTriageHelp OS-Mac
Added TE-NeedsTriageHelp as its out of scope from TE end.
Thanks for reporting this issue Tijmen!
Do you mind trying with latest Chrome Canary and see if you can reproduce?

Comment 5 Deleted

Thank you for the quick reply. I have testing it again, and the first time I had the same problem, then I tested it in canary and it worked! test it again in the chrome and it worked without problems!. Not sure what is going on here. I will investigate more maybe something else is intervering with the case. I will come back to this later.
Labels: Needs-Feedback
Today it is the same problem as before (code and browser is not changed). It just stops after some time. Tried every thing, a reset, latest canary browser, it is still the same problem with chrome or canary. (canary is the latest Version 57.0.2984.0 canary (64-bit))
Project Member

Comment 9 by sheriffbot@chromium.org, Jan 25 2017

Labels: -Needs-Feedback Needs-Review
Owner: fbeaufort@chromium.org
Thank you for providing more feedback. Adding requester "fbeaufort@chromium.org" for another review and adding "Needs-Review" label for tracking.

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
Blockedon: 685972
Hopefully https://bugs.chromium.org/p/chromium/issues/detail?id=685972 will help us understand what is happening there
Yes, it would be great to have more log messages. In this case I suspect that an error message is not logged or that some kind of deadlock situation hapens.  I hope that I can try it with some more logging in a next release. In the mean while I do some more tests.
Labels: -Needs-Review -TE-NeedsTriageHelp
Cc: jlebel@chromium.org
Status: ExternalDependency (was: Unconfirmed)
Waiting on  issue 685972 , then will need to request again for fresh logs.
Might be worth trying again as we've refactored the notifications code.
Status: WontFix (was: ExternalDependency)
Closing given the lack of response.
For info, I've pinged Tijmen van Gulik at https://github.com/tijmenvangulik/ErgometerJS/issues/4 
Status: ExternalDependency (was: WontFix)
Tijmen replied at https://github.com/tijmenvangulik/ErgometerJS/issues/4#issuecomment-286498495:

    Just tested it with the latest chrome canary , I get I nice blue tooth icon in the tab, 
    but the problem is still the same, after some time I do not get messages from the device.
    I hope I can get some more debug information with the new canary.
Hey Tijmen, now that https://codereview.chromium.org/2745983003 has landed, do you mind trying the latest chrome canary and share your logs there?

See how to by reading https://www.chromium.org/developers/how-tos/file-web-bluetooth-bugs
Log on canary 59.0.3051.3 
the last message which was correctly received was:

[66048:775:0325/102238.687537:INFO:CONSOLE(1591)] "{"elapsedTime":1180,"intervalCount":0,"averagePower":11520,"totalCalories":0,"splitAveragePace":198580,"splitAveragePower":11520,"splitAverageCalories":0,"lastSplitTime":0,"lastSplitDistance":0}", source: http://localhost:63342/WebApp/html/script/ErgometerApp.js (1591)

After this I do not get any messages any more..

Log_Canary_59.0.3051.3
341 KB Download
Here's below what is happening after your last message received in the console.
There are still plenty of things as you can see. I suspect something going on in JS code now ;(

Is that expected that ce060021-43e5-11e4-916c-0800200c9a66 characteristic get written just before you don't receive notifications??


[66048:775:0325/102238.653234:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(197)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write characteristic.
[66048:775:0325/102238.678171:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102238.678896:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102238.686252:INFO:CONSOLE(1570)] "onRowingAdditionalStatus1", source: http://localhost:63342/WebApp/html/script/ErgometerApp.js (1570)
[66048:775:0325/102238.686776:INFO:CONSOLE(1571)] "{"elapsedTime":1180,"speed":54.793,"strokeRate":0,"heartRate":null,"currentPace":199030,"averagePace":198580,"restDistance":0,"restTime":0,"averagePower":null}", source: http://localhost:63342/WebApp/html/script/ErgometerApp.js (1571)

THIS IS WHERE IT STOPS:

[66048:775:0325/102238.687537:INFO:CONSOLE(1591)] "{"elapsedTime":1180,"intervalCount":0,"averagePower":11520,"totalCalories":0,"splitAveragePace":198580,"splitAveragePower":11520,"splitAverageCalories":0,"lastSplitTime":0,"lastSplitDistance":0}", source: http://localhost:63342/WebApp/html/script/ErgometerApp.js (1591)


[66048:775:0325/102238.687858:INFO:CONSOLE(704)] "EV 5 Runtime.consoleAPICalled", source: chrome-extension://hmhgeddbohgjknpmjagkdomcpobmllji/latest/kotlin-output/browser-ext-platform.js (704)
[66048:775:0325/102238.688626:INFO:CONSOLE(704)] "EV 5 Runtime.consoleAPICalled", source: chrome-extension://hmhgeddbohgjknpmjagkdomcpobmllji/latest/kotlin-output/browser-ext-platform.js (704)
[66048:775:0325/102238.689378:INFO:CONSOLE(704)] "EV 5 Runtime.consoleAPICalled", source: chrome-extension://hmhgeddbohgjknpmjagkdomcpobmllji/latest/kotlin-output/browser-ext-platform.js (704)
[66048:775:0325/102238.690128:INFO:CONSOLE(704)] "EV 5 Runtime.consoleAPICalled", source: chrome-extension://hmhgeddbohgjknpmjagkdomcpobmllji/latest/kotlin-output/browser-ext-platform.js (704)
[66048:775:0325/102238.707948:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(316)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write value succeeded.
[66048:775:0325/102238.738135:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.738757:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.757879:VERBOSE2:bluetooth_device.cc(457)] Looking for service: ce060020-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.757914:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060010-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.757925:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060030-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.757936:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060020-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.770142:VERBOSE2:bluetooth_device.cc(472)] Looking for characteristic: ce060021-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.770196:VERBOSE2:bluetooth_device.cc(478)] Characteristic in cache: ce060021-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.770207:VERBOSE2:bluetooth_device.cc(478)] Characteristic in cache: ce060022-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.771199:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(197)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write characteristic.
[66048:775:0325/102238.797882:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.828043:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(316)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write value succeeded.
[66048:775:0325/102238.858131:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.858747:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.868282:VERBOSE2:bluetooth_device.cc(457)] Looking for service: ce060020-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.868320:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060010-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.868331:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060030-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.868340:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060020-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.870722:VERBOSE2:bluetooth_device.cc(472)] Looking for characteristic: ce060021-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.870759:VERBOSE2:bluetooth_device.cc(478)] Characteristic in cache: ce060021-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.870770:VERBOSE2:bluetooth_device.cc(478)] Characteristic in cache: ce060022-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.871048:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(197)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write characteristic.
[66048:775:0325/102238.888165:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.917934:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(316)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write value succeeded.
[66048:775:0325/102238.948022:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.948739:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102238.949452:VERBOSE2:bluetooth_device.cc(457)] Looking for service: ce060020-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.949478:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060010-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.949489:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060030-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.949498:VERBOSE2:bluetooth_device.cc(459)] Service in cache: ce060020-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.951398:VERBOSE2:bluetooth_device.cc(472)] Looking for characteristic: ce060021-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.951424:VERBOSE2:bluetooth_device.cc(478)] Characteristic in cache: ce060021-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.951436:VERBOSE2:bluetooth_device.cc(478)] Characteristic in cache: ce060022-43e5-11e4-916c-0800200c9a66
[66048:775:0325/102238.952364:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(197)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write characteristic.
[66048:775:0325/102238.978414:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102239.008007:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(316)] <BluetoothRemoteGattCharacteristicMac ce060021-43e5-11e4-916c-0800200c9a66/0x7fd2a71f7760, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Write value succeeded.
[66048:775:0325/102239.038535:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102239.038667:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102239.067955:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060022-43e5-11e4-916c-0800200c9a66/0x7fd2a7220790, service: ce060020-43e5-11e4-916c-0800200c9a66/0x7fd2a7518e40>: Notification arrived.
[66048:775:0325/102239.188228:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102239.188812:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102239.218336:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102239.698076:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102239.698737:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102239.728464:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.208361:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.208724:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.238369:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.268262:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060035-43e5-11e4-916c-0800200c9a66/0x7fd2a0d39660, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.718196:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.718772:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102240.748220:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.228435:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060035-43e5-11e4-916c-0800200c9a66/0x7fd2a0d39660, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.229114:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.258150:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.258743:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.768185:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.768697:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102241.798226:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102242.278510:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102242.278873:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102242.308487:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102242.788225:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102242.788769:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102242.818315:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102243.298174:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102243.298792:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102243.328638:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102243.808256:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102243.808777:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102243.838484:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102244.318316:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102244.348110:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102244.348806:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102244.858448:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102244.858880:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102244.888618:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102245.368146:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102245.368818:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102245.398388:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102245.878684:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102245.879168:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102245.908414:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.388461:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.388900:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.418402:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.898259:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.898773:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.928753:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102246.958497:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060035-43e5-11e4-916c-0800200c9a66/0x7fd2a0d39660, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.408374:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.408827:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.438526:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.888458:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060035-43e5-11e4-916c-0800200c9a66/0x7fd2a0d39660, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.948263:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.948804:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102247.978775:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102248.458500:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102248.458947:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102248.488465:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102248.968246:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102248.968885:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102248.998329:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102249.478736:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102249.479102:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102249.508321:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102249.988471:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102249.988897:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102250.048374:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102250.498313:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102250.528325:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102250.528972:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102251.038261:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102251.038921:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102251.068379:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102251.548418:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102251.548871:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102251.578370:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102252.058210:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102252.058870:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102252.088329:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102252.568244:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102252.568821:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102252.598353:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102253.078429:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102253.108378:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102253.108975:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102253.618304:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102253.618934:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102253.648376:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102254.128315:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102254.128905:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102254.158609:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102254.638420:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102254.638927:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102254.668332:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102255.148355:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102255.148981:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102255.178480:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102255.658346:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102255.658914:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102255.688592:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102256.198346:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102256.198948:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102256.228343:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102256.708293:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102256.708929:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102256.738309:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102257.219100:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102257.219164:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102257.248414:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102257.728340:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102257.728944:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102257.758641:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102258.238364:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102258.238978:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102258.269168:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102258.748466:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102258.778340:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102258.778950:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102259.288364:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102259.289076:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102259.318751:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102259.798683:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102259.799179:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102259.828564:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102300.308514:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102300.309032:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102300.338496:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102300.818354:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102300.819001:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102300.848476:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102301.328535:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102301.358648:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102301.359127:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102301.868903:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102301.869016:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102301.898533:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102302.378548:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060031-43e5-11e4-916c-0800200c9a66/0x7fd2a5ca83a0, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102302.379026:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060032-43e5-11e4-916c-0800200c9a66/0x7fd2a5cd8550, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[66048:775:0325/102302.408690:VERBOSE1:bluetooth_remote_gatt_characteristic_mac.mm(274)] <BluetoothRemoteGattCharacteristicMac ce060033-43e5-11e4-916c-0800200c9a66/0x7fd2a721d800, service: ce060030-43e5-11e4-916c-0800200c9a66/0x7fd2a0a92660>: Notification arrived.
[
I will investigate this further to see if I can find an reason. I will compare it to a log which I do the same and use noble. 


I have tested it again, the chrome log contains the correct notifications, but my javascript attached to the event does not receive it. (and there was no disconnect ) I have some times been able to receive messages for quite some time, but often it just stops after a view messages.
I have found a fix/ workaround. The characteristic gets released after some time by the memory manager because it things that it is not used any more. The attached event does not prevent a release. The workaround is to keep a reference to the characteristic which prevents the destruction of the characteristic object. I can not find in the examples in the blue tooth specs (https://webbluetoothcg.github.io/web-bluetooth/) that it is required to store the reference to the characteristic.

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