3.0.0-rc? kernel suddenly loses sound on my ubuntu 11.10 system

Robert P. J. Day rpjday at crashcourse.ca
Sat Jun 18 13:35:37 EDT 2011

On Sat, 18 Jun 2011, Prashant Shah wrote:

> Hi,
> > sound worked just fine (intel hda).  i also identically configured and
> > built a newer 3.0.0-rcsomething kernel, but when i boot that newer
> > kernel, i have no sound.  in particular, when i go under
> Try to load the module manually by doing a $sudo modprobe snd_hda_intel
> https://help.ubuntu.com/community/HdaIntelSoundHowto

  already debugged this -- turns out that i somehow deselected the
kernel config option TMPFS_POSIX_ACL (no idea how), which is required
for sound (and other things) on ubuntu.  re-selected, rebuilt and
everything is ok again.



Robert P. J. Day                                 Ottawa, Ontario, CANADA

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