Red Hat Bugzilla – Bug 967216
Device is offline if adb started via systemd
Last modified: 2015-07-30 19:49:42 EDT
Description of problem:
When starting adb via systemctl, the connected Android device is always "offline". However, when starting adb directly, the device is reachable.
Version-Release number of selected component (if applicable):
Always. Tried on two different systems with FC18 installed.
Steps to Reproduce:
1. USB connect an Android device with Android 4.2.2 and USB debugging enabled
2. sudo systemctl start adb
3. adb devices --> will show that the device is attached, but offline
4. sudo systemctl stop adb
5. sudo adb start-server
6. adb devices --> will show that the device is attached and available
Device is always offline when adb was started via systemctl, but available when adb start-server was invoked as root.
Device should be available on both ways.
On both cases, ps shows a process "adb -P 5037 fork-server server" which is owned by root. I cannot find a reason why it shouldn't work with systemctl.
It seems adb needs $HOME dir to create .android/ dir and generate public keys here.
What is your opinion where adb should place this data? Should it be /root/ or something else?
Temporary workaround for this bug:
Create /etc/systemd/system/adb.service with contents like here:
[root@van-ssd ~]# cat /etc/systemd/system/adb.service
Thanks for the workaround.
I don't think system services should use /root for storing data. I created /var/lib/adb/ and let the Environment=HOME point there. Now the adb service works fine.
However, as I don't know too much about Linux internas, maybe there is a better location for the adb home directory...
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android-tools-20141219git8393e50-2.fc21 has been submitted as an update for Fedora 21.
* should fix your issue,
* was pushed to the Fedora 21 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing android-tools-20141219git8393e50-2.fc21'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).
android-tools-20141219git8393e50-2.fc21 has been pushed to the Fedora 21 stable repository. If problems still persist, please make note of it in this bug report.