I have a new android device (Azpen A727). The vendor ID is 0x1f3a. I created the file /etc/udev/rules.d/51-android.rules containing this line: SUBSYSTEM=="usb", ATTR{idVendor}=="1f3a", MODE="0664", group="android" When I plug the device in, "adb devices" does not recognize it. If I append the exact same line to /lib/udev/rules.d/80-android.rules, the device is recognized. The documentation indicates that the /etc/udev/rules.d file is the correct place for this, since it is not (yet) part of the android-sdk-update-manager package. Reproducible: Always Steps to Reproduce: 1. find an android device whose manufacturer is not in /lib/udev/rules.d/80-android.rules 2. add the appropriate line to /etc/udev/rules.d/51-android.rules 3. connect the device 4. run "adb devices" Actual Results: device was not recognized by adb Expected Results: device should be recognized by adb i added 1f3a to my ~/.android/adb_usb.inf
Created attachment 379952 [details] emerge --info systemd
Created attachment 379954 [details] abd_usb.ini
Created attachment 379956 [details] 51-android.rules the SYSFS line is so that the device will be recognized as a removable drive
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Which package file /lib/udev/rules.d/80-android.rules belongs to?
Ah, android-sdk-update-manager, of course
It's just the ATTR rule that seems to be ignored. The SYSFS rule works.
(In reply to vm from comment #7) > It's just the ATTR rule that seems to be ignored. The SYSFS rule works. can you pastebin the /lib/udev/rules.d/80-android.rules here for convinience?
Just looking at maybe you should be using ATTRS instead of ATTR (just speaking loud what I'm thinking I'd try myself, so take it with a grain of salt)
This might be helpful: http://developer.android.com/tools/device.html#VendorIds They recommend the syntax in the file, though I certainly can add more of the table to it. Apparently Azpen didn't make Google's list either. I also found a few example sets of rules which are more complete. One thing I don't like about this is that they match on vendor only - I can't imagine that phones are the only thing they make and I could see this causing trouble with other devices which have more specific rules (unless udev handles that already). I found this approach which is more specific, but obviously even harder to maintain long-term: https://github.com/M0Rf30/android-udev-rules/blob/master/51-android.rules I'm certainly happy to update the rules.
$ cat /lib/udev/rules.d/80-android.rules SUBSYSTEM=="usb", ATTR{idVendor}=="22b8", MODE="0664", GROUP="android" SUBSYSTEM=="usb", ATTR{idVendor}=="0bb4", MODE="0664", GROUP="android" SUBSYSTEM=="usb", ATTR{idVendor}=="04e8", MODE="0664", GROUP="android" SUBSYSTEM=="usb", ATTR{idVendor}=="18d1", MODE="0664", GROUP="android" SUBSYSTEM=="usb", ATTR{idVendor}=="1f3a", MODE="0664", GROUP="android" The exact same ATTR line works when it is in /lib/udev, but not when it is in /etc/udev
Are you running udevadm control --reload after creating the file in /etc/udev?
Well, I had rebooted a time or twelve. So I commented the line out of /lib/udev and left it in /etc/udev and ran the command. Still no love. Rebooted. No love
Comment on attachment 379956 [details] 51-android.rules One thing I note here is that "group" is in lowercase. Are you sure you are using EXACTLY the same rules in /etc/udev/rules.d/51-andriod.rules? I did a quick test with systemd-214, and udev rules from /etc/udev/rules.d work just fine. It seems very unlikely that this was broken in 212.
Also, the file name you are using is significant; 51-android.rules comes much earlier in the process than 80-andriod.rules, and so some other ruleset may be overriding the former.
Oh, that's new. I had expected that there would be a two-level scheme for processing: directories, then files within directories. You're saying that there's actually a flat scheme: all files in all directories are collected and processed in order of filename?
(In reply to vm from comment #16) Yes. This is documented in udev(7).
I am guessing based on your last message that you had misconfigured your system. Closing.
Then I'd appreciate a guess as to where the misconfiguration lies. I've renamed the /lib and /etc files to be processed in either order, moved the offending line from one to the other or had it in both, and checked every change with a restart. Maybe with all the back and forth I just missed the Magic One. Whatever. I've got a working configuration, just not one that is easily maintainable.
(In reply to vm from comment #19) For example, on my system 69-libmtp.rules assigns my Nexus 5 group of "plugdev". If I create a rule to assign group "android" in 51-android.rules, it gets overridden and I end up with a device with group "plugdev". If it is named 80-android.rules, it wins and assigns group "android". Perhaps you could check the group on the appropriate device node (/dev/usb/<bus>/<device>). You can find the bus/device values from lsusb. That might give a clue as to what is happening.
(In reply to Mike Gilbert from comment #20) > Perhaps you could check the group on the appropriate device node > (/dev/usb/<bus>/<device>). You can find the bus/device values from lsusb. > That might give a clue as to what is happening. Sorry, that should be /dev/bus/usb/<bus>/<device>
It seems that it was the SYSFS line. I finally looked in /var/log/messages and it was flagged as an unknown key. I removed it and the thing works. Thanks for all your help and keeping me on this one.
