[SOLVED?] Re: under newer hand-rolled kernel, sound has gone away on ubuntu 11.04

[Robert P. J. Day]

  ok, i took one more stab at tracking this down and, while no one was
looking, i rebooted to the older, sound-enabled kernel and checked the
ACL status of the /dev/snd files and, lo!

$ getfacl /dev/snd/*
# file: dev/snd/by-path
# owner: root
# group: root
user::rwx
group::r-x
other::r-x

# file: dev/snd/controlC0
# owner: root
# group: audio
user::rw-
user:rpjday:rw-     <----- Hey, that's me.
group::rw-
mask::rw-
other::---

# file: dev/snd/hwC0D0
# owner: root
# group: audio
user::rw-
user:rpjday:rw-     <----- Here, too.
group::rw-
mask::rw-
other::---

... etc etc ...

in other words, rebooting under the older kernel appears to set the
ACL properties of all of the /dev/snd files properly; that is, so that
i as user "rpjday" have read/write access to them.

  under the newer kernel, not so:

# file: dev/snd/by-path
# owner: root
# group: root
user::rwx
group::r-x
other::r-x

# file: dev/snd/controlC0
# owner: root
# group: audio
user::rw-
group::rw-
other::---

# file: dev/snd/hwC0D0
# owner: root
# group: audio
user::rw-
group::rw-
other::---

... etc etc ...

so it would seem that there's my problem -- ACLs have not been set
properly on all of the /dev/snd/* files.  but why not?  a quick google
brings me here:

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=593881

which sure looks like what i'm fighting with.  i just need to peruse
that page more carefully to figure out why this is happening and what
i need to do about it.  in the meantime, i'm open to suggestions.

rday

p.s.  surely i can't be the only one who's run into this.

-- 

========================================================================
Robert P. J. Day                                 Ottawa, Ontario, CANADA
                        http://crashcourse.ca

Twitter:                                       http://twitter.com/rpjday
LinkedIn:                               http://ca.linkedin.com/in/rpjday
========================================================================