[SOLVED] Custom udev rule only working when triggered manually
I have the following rule created for a USB gamecube controller adapter:
SUBSYSTEMS=="usb", ATTRS{idVendor}=="057e", ATTRS{idProduct}=="0337", MODE="0666"
This rule only takes effect when I run udevadm trigger AFTER my device is plugged in. If I then unplug the device, and plug it back in, my device no longer works. My device also doesn't work on boot. I have to plug my device in and then trigger the rules manually.
Any ideas why this is happening? I don't want to have to run udevadm trigger every time I turn my computer on.
Last edited by Exershio (2015-04-15 23:01:19)
I tried reloading the configuration but it doesn't affect the issue. As for monitoring udev, this appears when I plug the device in:
KERNEL[3439.476646] add /devices/pci0000:00/0000:00:12.0/usb4/4-5 (usb)
KERNEL[3439.478441] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0 (usb)
KERNEL[3439.486155] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/0003:057E:0337.0009 (hid)
KERNEL[3439.492319] add /class/usbmisc (class)
KERNEL[3439.492497] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/usbmisc/hiddev0 (usbmisc)
KERNEL[3439.492602] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/0003:057E:0337.0009/hidraw/hidraw0 (hidraw)
UDEV [3439.493842] add /class/usbmisc (class)
UDEV [3439.494832] add /devices/pci0000:00/0000:00:12.0/usb4/4-5 (usb)
UDEV [3439.496365] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0 (usb)
UDEV [3439.498256] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/usbmisc/hiddev0 (usbmisc)
UDEV [3439.498378] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/0003:057E:0337.0009 (hid)
UDEV [3439.499567] add /devices/pci0000:00/0000:00:12.0/usb4/4-5/4-5:1.0/0003:057E:0337.0009/hidraw/hidraw0 (hidraw)
So it seems udev is detecting the GC adapter being plugged in, but it doesn't apply permissions 0666 to it until I manually run udevadm trigger.
See what happens below, directly after plugging it in:
$ ls -l /dev/bus/usb/004/005
crw-rw-r-- 1 root root 189, 388 Apr 15 16:59 /dev/bus/usb/004/005
$ sudo udevadm trigger
$ ls -l /dev/bus/usb/004/005
crw-rw-rw- 1 root root 189, 388 Apr 15 17:03 /dev/bus/usb/004/005
Okay this is weird. So I appended my udev rule with GROUP="users" to see if that would help, and after reloading the rules, this happens after my device is plugged in:
$ ls -l /dev/bus/usb/004/005
crw-rw-r-- 1 root users 189, 393 Apr 15 17:32 /dev/bus/usb/004/005
$ sudo udevadm trigger
$ ls -l /dev/bus/usb/004/005
crw-rw-rw- 1 root users 189, 393 Apr 15 17:34 /dev/bus/usb/004/005
So it appears the device is taking on GROUP="users" immediately after being plugged in, but it wont set MODE="0666" until after running udevadm trigger
Anyone have any ideas?
Last edited by Exershio (2015-04-15 21:38:15)
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