[Bug 198458] [NEW] Installing a network bridge broke kioslaves

[Shai Berger]

Public bug reported:

Binary package hint: kdepim-kio-plugins

I am trying to use VirtualBox to run a virtual installation of Windows
under my Kubuntu (Gutsy). In order for said Windows installation to work
properly in our business's local domain, I had to use the "more
interesting" networking technique, where we define a (ethernet) bridge
between the real interface (eth0) and a virtual, software interface
(tap0) erected specifically for this purpose. Using this bridge, the
guest machine can get its own IP address on the same physical network
adapter, as if it were in independent machine in the network, and so it
can do all the things a Windows machine can do in a Windows network.

This worked like a charm for the Windows machine -- it got its separate
IP address and connected to the Windows domain just fine.

It also seemed at first not to hurt the Kubuntu host -- I could continue
surfing (for which I user Firefox), read IMAP mail (for which I use
Thunderbird), and aptitude never complained.

But I noticed something strange -- I started getting error messages from
KOrganizer, about accessing remote (google) calendars. I thought it was
just some fluke, and just turned the thing off in order to continue
working quietly. I thought I'd solve it later.

Then I noticed another weird behavior: KMail, which I use for POP3 mail,
stopped checking mail. Every time it checked, it just said "Transmission
for account complete. No new messages". Only it said so immediately, and
it insisted on saying so even when I made sure it didn't know the
password for the account. And of course, there were messages in the
account which weren't downloaded.

Only when I started to investigate this, I got the pattern: The
kioslaves for kdepim got screwed by a network change, which should have
been two levels of abstraction too low for them to notice. I confirmed
this by restoring the network settings to "straight eth0" -- suddenly,
KMail got the mail, and KOrganizer had no problems with the Google-
calendars.

I don't even know how to begin to debug this further.

$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=7.10
DISTRIB_CODENAME=gutsy
DISTRIB_DESCRIPTION="Ubuntu 7.10"
$ apt-cache policy kdepim-kio-plugins
kdepim-kio-plugins:
  Installed: 4:3.5.7enterprise20070926-0ubuntu2.1
  Candidate: 4:3.5.7enterprise20070926-0ubuntu2.1
  Version table:
 *** 4:3.5.7enterprise20070926-0ubuntu2.1 0
        500 http://il.archive.ubuntu.com gutsy-updates/main Packages
        100 /var/lib/dpkg/status
     4:3.5.7enterprise20070926-0ubuntu2 0
        500 http://il.archive.ubuntu.com gutsy/main Packages

** Affects: kdepim (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Installing a network bridge broke kioslaves
https://bugs.launchpad.net/bugs/198458
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