Detecting device for debugging (ADB) does not work

Question

I\'ve turned USB debugging on on my Archos 43 Internet Tablet (Android 2.3.26), but adb does not detect the device.

I have Kubuntu 11.04.

Output of shell com

Answer 1

Mageia 2

At first, I got something like:

$ adb devices
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached 

Then I found I needed to do Settings | Applications | Development and Check the USB Debugging check box.

$ adb devices
List of devices attached 
???????????????? no permissions

Trying as root, I got:

$ su -l
# adb devices
List of devices attached 
???????????????? no permissions

Then I realized that adb was still running as regular user. When, as root, I did:

# adb kill-server
# adb devices
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached 
A43-A44C0002-9BF80000-0C60C4CC-0D020027 offline

ADB for Android Developers (ARCHOS Internet Tablet) was helpful, except I ended up doing this as root:

# cat /etc/udev/rules.d/51-android.rules 
SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device",
SUBSYSTEM=="usb", ENV{PRODUCT}=="e79/*", MODE="0666"
SUBSYSTEM=="usb", SYSFS{idVendor}=="e79", MODE="0666"
# udevadm control --reload-rules
# udevadm monitor
.
.
.
^C

The monitor command was helpful because it showed the device connects, disconnects, paths, etc.

I was then able to stop the server running as root, and start it as a regular user:

# adb kill-server
# exit
$ adb devices
* daemon not running. starting it now on port 5037 *
* daemon started successfully *
List of devices attached 
A43-A44C0002-9BF80000-0C60C4CC-0D020027 offline

The device will not work when "offline". To fix that I had to reboot the Archos 43.

$ adb devices
List of devices attached 
A43-A44C0002-9BF80000-0C60C4CC-0D020027 device

Though I doubt that these actions were required, to play it safe, after rebooting, I made sure to plug in the USB and select Charge Only before I set USB Debugging on. I had also disabled WiFi and Syncing, but once it started working, adb would still connect with those being on.

At this point, downloading my app worked:

$ adb install bin/HelloWorld.apk 
2914 KB/s (157589 bytes in 0.052s)
        pkg: /data/local/tmp/HelloWorld.apk
Success

P.S. The next day, knowing that everything worked the night before, I booted up my development system and tried to connect again. This gave the "offline" status. I disabled sync and WiFi, without rebooting the Archos 43, and then adb devices showed "device" status instead of "offline". I am not sure what to make of that, but turning this stuff off could have significance after all.