Am Fri, 17 Aug 2012 11:40:47 +0200 schrieb Marc Joliet <[email protected]>:
> 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. Ah, yes, I did a quick search on b.g.o and found this: https://bugs.gentoo.org/show_bug.cgi?id=406871 So my comment is wrong, it doesn't have anything to do with devtmpfs, but udev upstream did fix it :) . 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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