Can't access remote login "Configure now" session

Bug #1243801 reported by Michał Sawicz on 2013-10-23
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
lightdm (Ubuntu)
Undecided
Unassigned

Bug Description

When trying the "configure now" session from Remote login help, I'm taken straight back to the greeter. The guest session itself works, though.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: lightdm 1.9.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
Uname: Linux 3.11.0-12-generic x86_64
NonfreeKernelModules: wl nvidia
ApportVersion: 2.12.5-0ubuntu2
Architecture: amd64
Date: Wed Oct 23 18:46:31 2013
LightdmConfig:
 [SeatDefaults]
 greeter-session=unity-greeter
 user-session=ubuntu
MarkForUpload: True
SourcePackage: lightdm
UpgradeStatus: No upgrade log present (probably fresh install)

Michał Sawicz (saviq) wrote :
Michał Sawicz (saviq) wrote :
Michał Sawicz (saviq) wrote :
Michał Sawicz (saviq) wrote :

Seems like the apparmor profile might be causing this:
[121727.406562] type=1400 audit(1382546334.481:72): apparmor="DENIED" operation="connect" parent=13642 profile="/usr/lib/x86_64-linux-gnu/lightdm-remote-session-uccsconfigure/uccsconfigure-session-wrapper" name="/run/dbus/system
_bus_socket" pid=13777 comm="gnome-session" requested_mask="w" denied_mask="w" fsuid=118 ouid=0
[121727.406665] traps: gnome-session[13777] trap int3 ip:7f2e940013d9 sp:7fff06b119b0 error:0

Marc Deslauriers (mdeslaur) wrote :

Ah, yes, the lightdm AppArmor profile needs to be adjusted to allow dbus access.

Bug 1243339 has the required changes in it.

On 10/23/2013 11:50 AM, Michał Sawicz wrote:
> Public bug reported:
>
> When trying the "configure now" session from Remote login help, I'm
> taken straight back to the greeter. The guest session itself works,
> though.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 14.04
> Package: lightdm 1.9.0-0ubuntu1
> ProcVersionSignature: Ubuntu 3.11.0-12.19-generic 3.11.3
> Uname: Linux 3.11.0-12-generic x86_64
> NonfreeKernelModules: wl nvidia
> ApportVersion: 2.12.5-0ubuntu2
> Architecture: amd64
> Date: Wed Oct 23 18:46:31 2013
> LightdmConfig:
> [SeatDefaults]
> greeter-session=unity-greeter
> user-session=ubuntu
> MarkForUpload: True
> SourcePackage: lightdm
> UpgradeStatus: No upgrade log present (probably fresh install)
>
> ** Affects: lightdm (Ubuntu)
> Importance: Undecided
> Status: New
>
>
> ** Tags: amd64 apport-bug trusty
>

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