Gentoo Archives: gentoo-dev

From: Samuli Suominen <ssuominen@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] How is group "usb" used in your system, if at all?
Date: Sat, 16 Mar 2013 12:52:53
Message-Id: 51446AFF.5080104@gentoo.org
In Reply to: [gentoo-dev] How is group "usb" used in your system, if at all? by Samuli Suominen
1 On 16/03/13 14:39, Samuli Suominen wrote:
2 > I'm trying to find a reason to keep this line...
3 >
4 > SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", GROUP="usb"
5 >
6 > in /lib/udev/rules.d/40-gentoo.rules we have inherited from older udev,
7 > going back some time now
8 >
9 > # find /dev -group usb -exec ls -l {} +
10 >
11 > results nothing on every system tested
12 >
13 > and the original /lib/udev/rules.d/50-udev-default.rules from
14 > udev-197/198 has:
15 >
16 > SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", MODE="0664"
17 >
18 > which seems to be what we want?
19 >
20 > I can remember one or two ebuilds making use of group usb, but they have
21 > their own udev rules that makes them to do that, and are not dependant
22 > on these rules
23 >
24 >
25
26 Got it. Unless you have something else totally different to list here,
27 nevermind.
28
29 crw-rw-r-- 1 root usb 189, 0 Mar 14 14:14 ./bus/usb/001/001
30 crw-rw-r-- 1 root usb 189, 1 Mar 14 14:14 ./bus/usb/001/002
31 crw-rw-r-- 1 root usb 189, 2 Mar 14 14:14 ./bus/usb/001/003
32 crw-rw-r-- 1 root usb 189, 128 Mar 14 14:14 ./bus/usb/002/001
33 crw-rw-r-- 1 root usb 189, 129 Mar 14 14:14 ./bus/usb/002/002
34 crw-rw-r-- 1 root usb 189, 130 Mar 14 14:14 ./bus/usb/002/003
35 crw-rw-r-- 1 root usb 189, 132 Mar 14 12:15 ./bus/usb/002/005
36 crw-rw-r-- 1 root usb 189, 256 Mar 14 14:14 ./bus/usb/003/001
37 crw-rw-r-- 1 root usb 189, 384 Mar 14 14:14 ./bus/usb/004/001