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| In Linux, when connecting devices for debugging, an error message is displayed:
| | {{Migrating|https://smartpossdk.gitbook.io/cloudpossdk/faq/usb-serial-port/add-linux-udev-rules}} |
| insufficient permissions for device: user in plugdev group; are your udev rules wrong?
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| Or the reply from ADB logcat is always waiting. Even if the terminal is connected, the reply from ADB device is to give permission error.
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| $ adb logcat
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| - waiting for device -
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| ^C
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| $ adb devices
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| List of devices attached
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| ???????????? no permissions
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| The solution is to find the bus and device ID assigned by the kernel:
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| $ lsusb
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| Bus 001 Device 041: ID 05c6:9025 Qualcomm, Inc. Qualcomm HSUSB Device
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| Add a udev rules file that contains a USB configuration for each type of device you want to use for development. In the rules file, each device manufacturer is identified by a unique vendor ID, as specified by the ATTR{idVendor} property. To set up device detection on Ubuntu Linux:
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| Log in as root and create this file: /etc/udev/rules.d/51-android.rules, or vim /etc/udev/rules.d/51-android.rules
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| Use this format to add each vendor to the file:
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| SUBSYSTEM=="usb", ATTR{idVendor}=="05c6", MODE="0666", GROUP="plugdev"
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| In this example, the vendor ID is for Qualcomm. The MODE assignment specifies read/write permissions, and GROUP defines which Unix group owns the device node.
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| Now execute
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| $ chmod a+r /etc/udev/rules.d/51-android.rules
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| $ adb kill-server
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| Connect successfully:
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| $ adb devices
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| List of devices attached
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| WP17451Q20003163 device
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| Please refer to https://developer.android.com/studio/run/device.html#developer-device-options
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Latest revision as of 08:24, 7 April 2024