Hello,
My apologies for the long post.
I am a long-term Linux user (more that 25 years) but not an admin and my
skills are not at that level. In my eighties age is a bit limiting also,
so please be kind :-)
Since upgrading to Kubuntu 24.04 I have been having problems with email
storage using Thunderbird. Thunderbird is now installed as a Snap.
I store my emails on my local server so that I can access them from
different computers and connect through my wired network.
I had a weird situation where sometimes on starting the computer
Thunderbird connects OK to the server but at other times it failed to
access them. It took me a while to work out that if the computer was
turned off over night, the next day it would fail to access the mail on
the server. On rebooting it accessed the mail on the server correctly.
I also have observed that if I turn the computer off, then a couple of
hours later reboot, it again connects correctly.
It appears that the overnight shutdown is the catalyst for the
connection issue.
I have now set Thunderbird to autostart on boot, but the problem was the
same if I activated it manually after startup.
Others have reported online problems with setting a remote local
directory using the new Thunderbird Snap on Kubuntu 24.04.
I also installed Thunderbird as a Flatpack to check if it was the Snap,
and experienced exactly the same behavior with the Flatpack install.
I checked with dmesg and have found that after the overnight shutdown,
the next day the *last entries* are as follows:
[ +2.096772] kauditd_printk_skb: 7 callbacks suppressed
[ +0.000005] audit: type=1107 audit(1726543014.112:261): pid=1538
uid=103 auid=4294967295 ses=4294967295 subj=unconfined
msg='apparmor="DENIED" operation="dbus_method_call" bus="system"
path="/org/freedesktop/timedate1"
interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send"
name=":1.103" pid=2836 label="snap.thunderbird.thunderbird"
peer_pid=3708 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[ +0.000916] audit: type=1107 audit(1726543014.113:262): pid=1538
uid=103 auid=4294967295 ses=4294967295 subj=unconfined
msg='apparmor="DENIED" operation="dbus_method_call" bus="system"
path="/org/freedesktop/timedate1"
interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send"
name=":1.103" pid=2836 label="snap.thunderbird.thunderbird"
peer_pid=3708 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
[Sep17 13:18] audit: type=1107 audit(1726543127.777:263): pid=1538
uid=103 auid=4294967295 ses=4294967295 subj=unconfined
msg='apparmor="DENIED" operation="dbus_method_call" bus="system"
path="/org/freedesktop/timedate1"
interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send"
name=":1.112" pid=2836 label="snap.thunderbird.thunderbird"
peer_pid=4433 peer_label="unconfined"
exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? Terminal=?'
*These messages do not appear after a reboot when the emails are
correctly accessed.*
Is this a timing issue with network connection of some sort – does the
work station lose its connection to the server after a long period shut
down or is there some other explanation?
Is it that Thunderbird is called before the network connection to the
server is established?
Thanks
Bob
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