wifi failure with 3.13.0-4.19~precise1

[Andy Whitcroft]

On Fri, Jan 17, 2014 at 10:25:57AM -0700, Tim Gardner wrote:
> On 01/17/2014 10:17 AM, Joseph Salisbury wrote:
> > On 01/17/2014 12:09 PM, Leann Ogasawara wrote:
> >> On Fri, Jan 17, 2014 at 5:49 AM, Leann Ogasawara
> >> <leann.ogasawara at canonical.com <mailto:leann.ogasawara at canonical.com>>
> >> wrote:
> >>> On Fri, Jan 17, 2014 at 2:22 AM, volker kempter
> >>> <v.kempter at pe.tu-clausthal.de <mailto:v.kempter at pe.tu-clausthal.de>>
> >> wrote:
> >>>> ubuntu 12.04-precise under 3.13.0-4.19~precise1 on dell e6500 (i386):
> >>>>
> >>>> works well except there is no connection to the internet (same problem
> >>>> as decribed by myself for 3.13.0-3.18~precise1).
> >>>>
> >>>> observations: problem does not exist for 3.11.0-16.27~precise1 (wifi
> >>>> works well);
> >>>> problem does also not exist for kernel 3.13-rc8 (mainline kernel),
> >>>>
> >>>> any advice would be appreciated.
> >>>
> >>> Hi Volker,
> >>>
> >>> As noted by Andy with your previous issue, lets get a bug opened in
> >>> Launchpad so that we can gather some logs and properly track this
> >>> issue.  Do let us know the bug number when you have it.
> >>
> >> For those following along at home, Volker has reported LP:1270215
> >> <https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1270215>
> >>
> >> Joe, when you have a spare cycle, could you help Volker bisect this one?
> >>
> >> Thanks,
> >> Leann
> > 
> > I'll get started on a bisect.
> > 
> 
> This is surely an apparmor userspace/kernel problem.
> 
> [  247.258497] type=1400 audit(1389974945.608:41): apparmor="DENIED"
> operation="connect"
> profile="/usr/lib/NetworkManager/nm-dhcp-client.action"
> name="/run/dbus/system_bus_socket" pid=3048 comm="nm-dhcp-client."
> requested_mask="r" denied_mask="r" fsuid=0 ouid=0
> 
> Volker says neither wired or wireless work.

Right, 3.13-rc8 mainline does not have the support for the features to
mitigate the network etc.  COuld userspace be out of sync?

-apw