Comment 4 for bug 874635

Unfortunately guest session still doesn't work when using the lightdm from proposed. I get a black screen with cursor when I try a guest session. The following errors are reported in dmesg/syslog:

Oct 27 15:36:14 courage kernel: [27034.723227] type=1400 audit(1319747774.268:27): apparmor="DENIED" operation="capable" parent=8682 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" pid=8683 comm="fusermount" capability=1 capname="dac_override"
Oct 27 15:36:14 courage kernel: [27034.723238] type=1400 audit(1319747774.268:28): apparmor="DENIED" operation="capable" parent=8682 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" pid=8683 comm="fusermount" capability=2 capname="dac_read_search"
Oct 27 15:36:14 courage kernel: [27034.795122] type=1400 audit(1319747774.340:29): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/proc/8691/status" pid=8691 comm="gnome-keyring-d" requested_mask="r" denied_mask="r" fsuid=120 ouid=0
Oct 27 15:36:14 courage kernel: [27034.796042] type=1400 audit(1319747774.340:30): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/proc/8692/status" pid=8692 comm="gnome-keyring-d" requested_mask="r" denied_mask="r" fsuid=120 ouid=0
Oct 27 15:36:14 courage kernel: [27034.797058] type=1400 audit(1319747774.340:31): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/proc/8693/status" pid=8693 comm="gnome-keyring-d" requested_mask="r" denied_mask="r" fsuid=120 ouid=0
Oct 27 15:36:14 courage kernel: [27034.798188] type=1400 audit(1319747774.344:32): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/proc/8694/status" pid=8694 comm="gnome-keyring-d" requested_mask="r" denied_mask="r" fsuid=120 ouid=0
Oct 27 15:36:14 courage kernel: [27035.312541] type=1400 audit(1319747774.860:33): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/etc/compizconfig/upgrades/com.canonical.unity.unity.01.upgrade" pid=8717 comm="compiz" requested_mask="c" denied_mask="c" fsuid=120 ouid=0
Oct 27 15:36:15 courage kernel: [27036.255347] type=1400 audit(1319747775.804:34): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/etc/compizconfig/upgrades/com.canonical.unity.unity.02.upgrade" pid=8717 comm="compiz" requested_mask="c" denied_mask="c" fsuid=120 ouid=0
Oct 27 15:36:15 courage kernel: [27036.389460] type=1400 audit(1319747775.940:35): apparmor="DENIED" operation="open" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/proc/ati/major" pid=8717 comm="compiz" requested_mask="r" denied_mask="r" fsuid=120 ouid=0
Oct 27 15:36:46 courage kernel: [27066.700635] type=1400 audit(1319747806.336:219): apparmor="DENIED" operation="mknod" parent=8635 profile="/usr/lib/lightdm/lightdm-guest-session-wrapper" name="/usr/share/system-config-printer/debug.pyc" pid=8953 comm="applet.py" requested_mask="c" denied_mask="c" fsuid=120 ouid=120