This is a problem with marshaling data for GET_DB_SEQNUM control.
Created attachment 12464 [details] Patches for v4-5 branch
Created attachment 12465 [details] Patches for v4-4 branch
Hi Karolin, This one is ready for 4.5.x and 4.4.y. Thanks...
(In reply to Martin Schwenke from comment #3) Pushed to autobuild-v4-{4,5}-test.
(In reply to Karolin Seeger from comment #4) Pushed to both branches. Closing out bug report. Thanks!