In the dmesg output there are plenty of lines like this (occurring every
minute):
[Dez22 10:08] audit: type=1400 audit(1734858482.747:24963):
apparmor="DENIED" operation="open" class="file" profile="snap-update-
ns.snapd-desktop-integration" name="/proc/1288725/maps" pid=1288725
comm="5" requested_mask="r" denied_mask="r" fsuid=200 ouid=0
Maybe this is causing a ressource leak somewhere?
For the time when I experienced the firefox issues, I also found lines
like:
[Dez21 23:04] audit: type=1107 audit(1734818641.252:24125): pid=1576 uid=105
auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED"
operation="dbus_signal" bus="system" path="/org/freedesktop/login1"
interface="org.freedesktop.login1.Manager" member="UserNew" name=":1.11"
mask="receive" pid=1053881 label="snap.thunderbird.thunderbird" peer_pid=1631
peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=105 hostname=? addr=?
terminal=?'
[ +0,014457] audit: type=1107 audit(1734818641.267:24126): pid=1576 uid=105
auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED"
operation="dbus_signal" bus="system" path="/org/freedesktop/login1"
interface="org.freedesktop.login1.Manager" member="SessionNew" name=":1.11"
mask="receive" pid=1053881 label="snap.thunderbird.thunderbird" peer_pid=1631
peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=105 hostname=? addr=?
terminal=?'
[ +0,006645] audit: type=1107 audit(1734818641.274:24127): pid=1576 uid=105
auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED"
operation="dbus_signal" bus="system" path="/org/freedesktop/login1"
interface="org.freedesktop.login1.Manager" member="SessionNew" name=":1.11"
mask="receive" pid=1053881 label="snap.thunderbird.thunderbird" peer_pid=1631
peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=105 hostname=? addr=?
terminal=?'
[ +0,651478] audit: type=1400 audit(1734818641.924:24128): apparmor="DENIED"
operation="open" class="file"
profile="snap-update-ns.snapd-desktop-integration" name="/proc/1060388/maps"
pid=1060388 comm="5" requested_mask="r" denied_mask="r" fsuid=200 ouid=0
[ +0,104964] audit: type=1107 audit(1734818642.030:24129): pid=1576 uid=105
auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED"
operation="dbus_signal" bus="system" path="/org/freedesktop/login1"
interface="org.freedesktop.login1.Manager" member="SessionRemoved" name=":1.11"
mask="receive" pid=1053881 label="snap.thunderbird.thunderbird" peer_pid=1631
peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=105 hostname=? addr=?
terminal=?'
[ +0,005352] audit: type=1107 audit(1734818642.036:24130): pid=1576 uid=105
auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED"
operation="dbus_signal" bus="system" path="/org/freedesktop/login1"
interface="org.freedesktop.login1.Manager" member="SessionRemoved" name=":1.11"
mask="receive" pid=1053881 label="snap.thunderbird.thunderbird" peer_pid=1631
peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=105 hostname=? addr=?
terminal=?'
[ +10,302894] audit: type=1107 audit(1734818652.339:24131): pid=1576 uid=105
auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED"
operation="dbus_signal" bus="system" path="/org/freedesktop/login1"
interface="org.freedesktop.login1.Manager" member="UserRemoved" name=":1.11"
mask="receive" pid=1053881 label="snap.thunderbird.thunderbird" peer_pid=1631
peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=105 hostname=? addr=?
terminal=?'
That seems to be around the time when firefox had the hanging issues with the
keyboard.
Maybe the hanging issue could be related to an apparmor issue?
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https://bugs.launchpad.net/bugs/1975884
Title:
Temporary screen freeze when gnome-shell logs "Removing a network
device that was not added"
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