On Sat, 21.06.08 20:55, Andrea (mariofutire at googlemail.com) wrote: > Working > crw-rw----+ 1 root root 116, 13 2008-06-18 22:00 controlC0 > crw-rw----+ 1 root root 116, 6 2008-06-18 22:00 controlC1 > crw-rw----+ 1 root root 116, 12 2008-06-18 22:00 pcmC0D0c > crw-rw----+ 1 root root 116, 11 2008-06-18 22:00 pcmC0D0p > crw-rw----+ 1 root root 116, 10 2008-06-18 22:00 pcmC0D1c > crw-rw----+ 1 root root 116, 9 2008-06-18 22:00 pcmC0D2c > crw-rw----+ 1 root root 116, 8 2008-06-18 22:00 pcmC0D3c > crw-rw----+ 1 root root 116, 7 2008-06-18 22:00 pcmC0D4p > crw-rw----+ 1 root root 116, 5 2008-06-18 22:00 pcmC1D0c > crw-rw----+ 1 root root 116, 4 2008-06-18 22:00 pcmC1D0p > crw-rw----+ 1 root root 116, 3 2008-06-18 22:00 seq > crw-rw----+ 1 root root 116, 2 2008-06-18 22:00 timer > > Not working > crw-rw---- 1 root root 116, 10 2008-06-18 21:19 controlC0 > crw-rw---- 1 root root 116, 13 2008-06-18 21:19 controlC1 > crw-rw---- 1 root root 116, 9 2008-06-18 21:19 pcmC0D0c > crw-rw---- 1 root root 116, 8 2008-06-18 21:19 pcmC0D0p > crw-rw---- 1 root root 116, 7 2008-06-18 21:19 pcmC0D1c > crw-rw---- 1 root root 116, 6 2008-06-18 21:19 pcmC0D2c > crw-rw---- 1 root root 116, 5 2008-06-18 21:19 pcmC0D3c > crw-rw---- 1 root root 116, 4 2008-06-18 21:19 pcmC0D4p > crw-rw---- 1 root root 116, 12 2008-06-18 21:19 pcmC1D0c > crw-rw---- 1 root root 116, 11 2008-06-18 21:19 pcmC1D0p > crw-rw---- 1 root root 116, 3 2008-06-18 21:19 seq > crw-rw---- 1 root root 116, 2 2008-06-18 21:19 timer > > 2 differences: > > 1) the minors have changed > 2) what is the "+" after the permissions? > > Anybody has a clue? 2 is an indication that ACLs are set on those device files, as controlled via setfacl(1) or getfacl(1). On modern Linux systems a software called ConsoleKit tracks which session is currently active and tells some other software called HAL to update ACLs accordingly, so that users who are logged in on inactive sessions (read: VTs) don't have access to the audio devices any further and the user of the active session has. Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net ICQ# 11060553 http://0pointer.net/lennart/ GnuPG 0x1A015CC4
