Am Fri, 17 Aug 2012 01:54:34 -0700 schrieb Cinder <[email protected]>:
> Hi, how do I make changes to permissions and access mode of device nodes > persistent? At the moment I have to chown and chmod the /dev/snd/seq node > every boot to make it accessible to my user. the other nodes are fine. Here's > the output of ls -l /dev/snd/ > > total 0 > drwxr-xr-x 2 root root 60 Aug 17 18:44 by-path > crw-rw----+ 1 root audio 116, 12 Aug 17 18:44 controlC0 > crw-rw----+ 1 root audio 116, 11 Aug 17 18:44 hwC0D0 > crw-rw----+ 1 root audio 116, 10 Aug 17 18:44 hwC0D3 > crw-rw----+ 1 root audio 116, 9 Aug 17 18:44 hwC0D4 > crw-rw----+ 1 root audio 116, 8 Aug 17 18:44 hwC0D5 > crw-rw----+ 1 root audio 116, 7 Aug 17 18:44 pcmC0D0c > crw-rw----+ 1 root audio 116, 6 Aug 17 18:44 pcmC0D0p > crw-rw----+ 1 root audio 116, 5 Aug 17 18:44 pcmC0D1p > crw-rw----+ 1 root audio 116, 4 Aug 17 18:44 pcmC0D3p > crw-rw----+ 1 root audio 116, 3 Aug 17 18:44 pcmC0D7p > crw-rw----+ 1 root audio 116, 2 Aug 17 18:44 pcmC0D8p > crw------- 1 root root 116, 1 Aug 17 18:44 seq > crw-rw----+ 1 root audio 116, 33 Aug 17 18:44 timer > > I need /dev/snd/seq to look look the others. I can't find the udev rule or > configuration that creates these nodes. Many thanks for any consideration. I have a hack for the same issue in my /etc/local.d/. A comment I put there says this: # this is caused by using devtmpfs, which creates nodes with root:root and 600; # I believe this is fixed by udev upstream So devtmpfs creates the device node before udev runs, but udev does not correct the access permissions, which is however fixed by udev upstream (perhaps already in ~arch?). Sadly I do not remember where I read this, but google should be of help there. HTH -- Marc Joliet -- "People who think they know everything really annoy those of us who know we don't" - Bjarne Stroustrup
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