udev permissions on startup

udev permissions on startup

[Craig Main]

Hi all,

Can someone explain this to me. When my laptop boots up, the devices in  
the /dev/sound have permissions of 0600, and hence users in the audio  
group can't access the devices, if I then run udevstart from the command  
line after bootup, the correct permissions of 0660 are set.

I am using udev027, on a gentoo box, without saving the devices and the  
/dev/ directory mounted on a ramfs.

See below.


laptop root # ls -l /dev/sound
total 0
crw-------  1 root audio 14, 12 Jun 19 15:21 adsp
crw-------  1 root audio 14,  4 Jun 19 15:21 audio
crw-------  1 root audio 14,  3 Jun 19 15:21 dsp
crw-------  1 root audio 14,  0 Jun 19 15:21 mixer
crw-------  1 root audio 14,  1 Jun 19 15:21 sequencer
crw-------  1 root audio 14,  8 Jun 19 15:21 sequencer2
laptop root # udevstart
laptop root # ls -l /dev/sound
total 0
crw-rw----  1 root audio 14, 12 Jun 19 15:21 adsp
crw-rw----  1 root audio 14,  4 Jun 19 15:21 audio
crw-rw----  1 root audio 14,  3 Jun 19 15:21 dsp
crw-rw----  1 root audio 14,  0 Jun 19 15:21 mixer
crw-rw----  1 root audio 14,  1 Jun 19 15:21 sequencer
crw-rw----  1 root audio 14,  8 Jun 19 15:21 sequencer2
laptop root # mount
/dev/hda3 on / type ext3 (rw,noatime)
none on /proc type proc (rw)
none on /sys type sysfs (rw)
none on /dev type ramfs (rw)
none on /dev/pts type devpts (rw)
/dev/hda4 on /home type ext3 (rw,noatime)
none on /dev/shm type tmpfs (rw)
none on /proc/bus/usb type usbfs (rw)
nfsd on /proc/fs/nfs type nfsd (rw)
printserver:/usr/portage on /usr/portage type nfs (rw,tcp,addr\x192.168.0.3)
laptop root # uname -a
Linux laptop 2.6.7-rc1-mm1 #1 Fri Jun 4 08:22:19 SAST 2004 i686 Intel(R)  
Pentium(R) III Mobile CPU      1133MHz GenuineIntel GNU/Linux


Regards
Craig
-- 
Craig Main
(RHCE)

Tel: +27 11 760 1900
Cell: +27 82 323 4670
http://www.themains.net
http://www.stsolutions.co.za


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