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Old 04-13-2006, 01:54 AM   #1
Registered: Dec 2004
Distribution: Debian Wheezy
Posts: 444

Rep: Reputation: 30
/dev changing permissions

I created a package for ALSA using checkinstall, but after I formatted my hard drive, reinstalled linux and then reinstalled my ALSA driver, I could not run alsamixer as a normal user. I discovered that the permissions of my /dev/snd directory were changed. In order to run alsamixer, I have to have 777 permissions. I changed the permissions but my changes do not last through a reboot. As soon as I restart the computer, my permissions are changed back to something else (I cannot remember the exact value, but the value excludes normal users). Why are my permissions changing?
Old 04-13-2006, 03:05 AM   #2
Senior Member
Registered: Nov 2005
Location: Belgium
Distribution: Red Hat, Fedora
Posts: 1,515

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Everything in /dev are devices, which get re-installed when you reboot your machine.
So, I suppose this re-install changes the permissions back to the default.
Maybe you can change the startup to include a chmod? Or maybe you can check if you can set the
default permissions for your ALSA related device files?
Old 04-13-2006, 03:30 AM   #3
Registered: Dec 2004
Distribution: Debian Wheezy
Posts: 444

Original Poster
Rep: Reputation: 30
Something very strange is happening. First it would not let me permanently change the permissions, then I typed chmod 777 snd and the file was accessible. I restarted the computer and the file was still accessible even though the permissions had changed!? The is really strange. If I'm sounding like a I didn't read your post, I did. This behavior is so strange. I guess if I run into trouble I can add a chmod command to my init scripts. But why did it suddenly start to work? I'm gonna reinstall slackware for the 5567th time just to figure out what I did. This is too strange. Thx.


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