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Issue metadata

Status: Assigned
Owner:
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EstimatedDays: ----
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OS: ----
Pri: 3
Type: Bug



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Chrome remote webpage debugger works unstable with USB on many devices

Reported by stiv.yak...@gmail.com, Nov 23 2017

Issue description

Google Chrome 62.0.3202.94 (Official Build) (64-bit) 
is used to debug webpage inside android device 60.0.3112.107 (32-bit) via USB cable on Android 5.0.0; Lenovo A1000 Build/S100.

There are two problems which I observe:

a) Device is not always shown in remote devices tabs, even though windows 7 has detected Andoid and opened explorer with device folders and Android also demostrates multimedia connection. Restarting chrome and reconnecting USB helps, but this should work from the first attempt with no reconnect. My android settings is set to accept debugging by default.

b) Usually Chrome debugger shows incorrect list of open tabs in Android. I attach two screenshots taken at the same time, one screenshot from Android and the second from my Windows 7. Currently open tab is missing on the list. It is hard to identify what triggers incorrect list of tabs. You can see from Android screenshot that icon indicates that USB connection is ok.

These behaviours are observed with many other Anroid devices and also with different cables and with different versions of Chrome (both on Android and Windows 7). This makes debugging horrible experience, because you may have to restart Chrome several times.


<b>Chrome OS Platform: <Make/model of computer running Chrome OS></b>
<b>Network info: <network, encryption type, router model (if known)></b>

Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1)
(2)
(3)

Expected Result:

Actual Result:

How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)

What is the impact to the user, and is there a workaround? If so, what is
it?

Please provide any additional information below. Attach a screen shot or
log if possible.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.


 
Screenshot_2017-11-23-19-17-12.png
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Screenshot_2017-11-23-19-23-30.png
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remotedevices.png
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One more confirmation of the problem: 
1. I start google chrome, connect and disconnect Android, but Chrome doesn't show the device.
2. I start chromium, reconnec Andoid and Chromium sees Android. Chrome is also able to show the device, but you need to restart it 10-20 times and also restart.
usb-problem.png
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Comment 2 by vsu...@chromium.org, Jan 16 2018

Labels: -OS-Chrome
Components: Platform>DevTools>Mobile

Comment 4 by l...@chromium.org, Feb 1 2018

Owner: eostroukhov@chromium.org
Status: Assigned (was: Unconfirmed)
Thanks for the report.  eos@, do you think this could be ADB flakiness, or some DevTools specific bug?
Owner: hhli@chromium.org

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