The relevant denial seems to be:
[ 7049.256201] audit: type=1400 audit(1572541725.870:246):
apparmor="DENIED" operation="open" profile="snap.chromium.chromium"
name="/sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-2/i2c-
ELAN1200:00/0018:04F3:3022.0001/report_descriptor" pid=20568
comm="ThreadPoolForeg" requested_mask="r" denied_mask="r" fsuid=1000
ouid=0
Christoph, is your device a Yubikey?
Can you please attach additional debug information to this bug by
running the following command in a terminal?
apport-collect 1851211
** Changed in: chromium-browser (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1851211
Title:
U2F not working in current build
Status in chromium-browser package in Ubuntu:
Incomplete
Bug description:
This affects the current build of the snap version of Chromium.
Although it was marked as fixed in the ticket here:
https://bugs.launchpad.net/ubuntu/+source/chromium-
browser/+bug/1738164
it is still open. No chance to use such a key in the browser.
dmesg output is:
My dmesg out put shows a lot of DENIED:
audit: type=1107 audit(1572541712.846:243): pid=954 uid=106 auid=4294967295
ses=4294967295 msg='apparmor="DENIED" operation="dbus_method_call" bus="system"
path="/" interface="org.freedesktop.DBus.ObjectManager"
member="GetManagedObjects" mask="send" name="org.bluez" pid=20568
label="snap.chromium.chromium" peer_pid=946 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=106 hostname=? addr=?
terminal=?'
[ 7036.430639] audit: type=1400 audit(1572541713.042:244): apparmor="DENIED"
operation="open" profile="snap.chromium.chromium"
name="/var/lib/snapd/desktop/icons/" pid=20568 comm="chrome" requested_mask="r"
denied_mask="r" fsuid=1000 ouid=0
[ 7036.430641] audit: type=1400 audit(1572541713.042:245): apparmor="DENIED"
operation="open" profile="snap.chromium.chromium"
name="/var/lib/snapd/desktop/icons/" pid=20568 comm="chrome" requested_mask="r"
denied_mask="r" fsuid=1000 ouid=0
[ 7049.256201] audit: type=1400 audit(1572541725.870:246): apparmor="DENIED"
operation="open" profile="snap.chromium.chromium"
name="/sys/devices/pci0000:00/0000:00:15.1/i2c_designware.1/i2c-2/i2c-ELAN1200:00/0018:04F3:3022.0001/report_descriptor"
pid=20568 comm="ThreadPoolForeg" requested_mask="r" denied_mask="r" fsuid=1000
ouid=0
Suggested solutions in the other tickets do not work
System is Ubuntu 19.10 on an Asus UX330
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