once working svn import suddenly not synching anymore since Oct-30-2012, *NO* error mesages!

The following branch: https://code.launchpad.net/~prof7bit/fpc26x/fixes_2_6
suddenly stopped synching.

Its an automatic svn import and latest upstream revision is 23204 (at the time of this writing) as can be seen here:
http://svn2.freepascal.org:8080/svn/fpc/branches/fixes_2_6/

It stopped pulling in new revisions since the end of October. It is stuck at upstream version 22868 but It does NOT flag the import attempts as errors which is strange, the log entries look like this:

2012-12-22 12:45:59 INFO Starting job.
2012-12-22 12:45:59 INFO Getting exising bzr branch from central store.
2012-12-22 12:45:59 INFO [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2012-12-22 12:45:59 INFO 35 bytes transferred
2012-12-22 12:46:19 INFO fetching svn revision info 1/2
2012-12-22 12:46:30 INFO
2012-12-22 12:46:31 INFO Importing branch.
2012-12-22 12:46:32 INFO determining revisions to fetch 0/22875
2012-12-22 12:46:32 INFO
2012-12-22 12:46:32 INFO determining revisions to fetch 0/22875
2012-12-22 12:46:32 INFO
2012-12-22 12:46:32 INFO discovering tags 0/329
2012-12-22 12:46:33 INFO
2012-12-22 12:46:33 INFO Pushing local import branch to central store.
2012-12-22 12:46:33 INFO [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2012-12-22 12:46:33 INFO [chan bzr SocketAsChannelAdapter] Opened sftp connection (server version 3)
2012-12-22 12:46:33 INFO Finding revisions
2012-12-22 12:46:33 INFO
2012-12-22 12:46:33 INFO Finding revisions
2012-12-22 12:46:34 INFO
2012-12-22 12:46:34 INFO Job complete.

when adding the numbers 22875 + 329 then we arrive exactly at the revision number of the current upstream branch. Its missing 329 new revisions.

Maybe it is because of the odd port number of the upstream svn server, this is only a mirror of the original main svn server, I used this mirror because I had initial problems importing from the main server (which later proved to be totally unrelated), so it could also be changed to the more "normal" svn url which uses standard ports:

http://svn.freepascal.org/svn/fpc/branches/fixes_2_6/

but I could not find any UI in Launchpad to change the import URL of an existing branch. It is a *HUGE* mass of code, with many millions of lines, importing it from scratch again would take weeks, it took a few weeks the first time already. If it is possible that you could help changing it for me without deleting it then it would be very nice.

If it fails because of the port number then maybe also a Launchpad bug should be filed?

-Bernd