I've seen this with a device or two, with Linux Mint Debian Edition.

To fix this, I changed the android udev rules to use my own login and group rather than the predefined "plugindev":

SUBSYSTEM=="usb", ATTR{idVendor}=="0fce", MODE="0666", OWNER="kman", GROUP="kman"

etc.

Also, one of my devices wouldn't work without an entry in ~/.android/adb_usb.ini:

http://kmansoft.com/2011/11/18/getting-a-sony-tablet-s-to-work-with-android-tools-under-ubuntu/

This second issue may have manifested itself in a different way, I don't remember now, but perhaps it's worth trying as well.

-- Kostya

On 02/04/2012 10:39 PM, Chad A. wrote:
Hi,

I'm using debian linux, and suddenly (after months of successful development), adb refuses to recognize any of the hardware devices that I plug into the USB ports. adb shell, and adb logcat no longer work. And adb devices shows the following.

List of devices attached
????????????no permissions

I've rebooted my development machine, rebooted my devices, switch USB ports, started and stopped the adb server, and adb still refuses to recognize the device, and consequently prevents installing packages on them.

Has anyone encountered this situation, and found a way to resolve it. Your advice would be much appreciated, since this has pretty much ground my development to a halt.

Thanks,
Chad

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