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SubjectRe: devfs unable to handle permission: 2.4.17-pre[4,5] / ALSA-0.9.0beta[9,10]
Rene Rebe writes:
> On Thu, 6 Dec 2001 23:09:14 -0700
> Richard Gooch <rgooch@ras.ucalgary.ca> wrote:
>
> > Rene Rebe writes:
> > > At least since 2.4.17-pre4 and -pre5 devfs is not handling
> > > permissions in the right way with ALSA:
[...]
> > > rene@jackson:/dev > l dsp sound/dsp
> > > ls: sound/dsp: Permission denied
> > > lr-xr-xr-x 1 root root 9 Dec 7 00:14 dsp -> sound/dsp
> > > rene@jackson:/dev > cd sound/
> > > bash: cd: sound/: Permission denied
> > > rene@jackson:/dev >
> > >
> > > rene@jackson:/dev > l snd
> > > ls: snd/..: Permission denied
> > > ls: snd/.: Permission denied
> > > ls: snd/controlC0: Permission denied
> > > ls: snd/controlC1: Permission denied
> > > ls: snd/timer: Permission denied
> > > ls: snd/midiC0D0: Permission denied
> > > ls: snd/pcmC0D2p: Permission denied
> > > ls: snd/pcmC0D1c: Permission denied
> > > ls: snd/pcmC0D0p: Permission denied
> > > ls: snd/pcmC0D0c: Permission denied
> > > ls: snd/midiC1D0: Permission denied
> > > ls: snd/pcmC1D0p: Permission denied
> > > ls: snd/pcmC1D0c: Permission denied
> > > total 0
> > >
> > > They all have 666 (or 777 for dirs)!

Are you positive the directory has 777 permissions?

Thomas Hood may have found your problem:
> Some devfs permission problems may have arisen because of the
> fact that devfs now notifies devfsd of the creation of
> directories. Many people have devfsd configured to set
> permissions to all devices matching a certain regular
> expression --- e.g., all devices with "sound" in their
> pathname. The problem is that the "sound" directory itself
> matches this regular expression, and so will have its perm
> bits set exactly like the device files' perm bits---e.g.,
> with the eXamine bit cleared. The solution is to edit the
> devfsd config so that it excludes the directory. E.g.,
> instead of:
> REGISTER sound PERMISSIONS root.audio 0664
> (which worked before but won't any more) do:
> REGISTER ^sound/.* PERMISSIONS root.audio 0664
> or something similar.

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
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