3.1 kernel and ACL?

Andy Whitcroft apw at canonical.com
Tue Nov 15 20:08:08 UTC 2011

On Tue, Nov 15, 2011 at 06:15:53PM +0100, Jan, Sebastien wrote:
> Hi,
> I am working on a 3.1 based kernel with an Oneiric FS, running on an
> ARM-based board (omap4 pandaboard).
> I may have an ACL-related issue with my kernel (the audio apps cannot
> properly access the audio device files). It seems ACL related because if I
> deactivate ACL support, I can properly access the audio devices as root.
> But when I activate ACL, root access does not work anymore and user-access
> generates errors (I use 'aplay' for testing).
> I just wanted to know if you were aware of ACL related config settings to
> take care of on 3.1 kernel on a Ubuntu FS? (I re-used the 3.0 Ubuntu omap4
> kernel config on 3.1 and have these problems while everything is running
> fine on the 3.0 kernel).

I don't think I have heard of anything specific recently though your
symptoms seem familiar for some reason.  We should have some x86 3.1
kernels to test with shortly to see if we see the same thing there.


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