Comment 6 for bug 183495

I tried building an arch: all package during binary-arch on powerpc and that built but failed to build as follows:
2010-03-22 23:05:19 INFO creating lockfile
2010-03-22 23:05:24 DEBUG Initialising connection.
2010-03-22 23:05:24 DEBUG Beginning processing
2010-03-22 23:05:24 DEBUG Checked in /srv/launchpad.net/builddmaster/incoming, found ['20090329-203858-922921-2097984', '20090330-155209-923375-2098617', '20090423-141240-957826-2147213', '20091109-122604-1337365-2776402', '20100107-132851-1434049-2953852', '20100322-230516-1575720-3215052']
2010-03-22 23:05:24 DEBUG Considering upload 20090329-203858-922921-2097984
2010-03-22 23:05:24 DEBUG Skipping 20090329-203858-922921-2097984 -- does not match 20100322-230516-1575720-3215052
2010-03-22 23:05:24 DEBUG Considering upload 20090330-155209-923375-2098617
2010-03-22 23:05:24 DEBUG Skipping 20090330-155209-923375-2098617 -- does not match 20100322-230516-1575720-3215052
2010-03-22 23:05:24 DEBUG Considering upload 20090423-141240-957826-2147213
2010-03-22 23:05:24 DEBUG Skipping 20090423-141240-957826-2147213 -- does not match 20100322-230516-1575720-3215052
2010-03-22 23:05:24 DEBUG Considering upload 20091109-122604-1337365-2776402
2010-03-22 23:05:24 DEBUG Skipping 20091109-122604-1337365-2776402 -- does not match 20100322-230516-1575720-3215052
2010-03-22 23:05:24 DEBUG Considering upload 20100107-132851-1434049-2953852
2010-03-22 23:05:24 DEBUG Skipping 20100107-132851-1434049-2953852 -- does not match 20100322-230516-1575720-3215052
2010-03-22 23:05:24 DEBUG Considering upload 20100322-230516-1575720-3215052
2010-03-22 23:05:24 DEBUG Considering changefile 6546/ubuntu/openhackware_0.4.1-4ubuntu1~arm2_powerpc.changes
2010-03-22 23:05:25 DEBUG Finding fresh policy
2010-03-22 23:05:25 ERROR Exception while processing upload /srv/launchpad.net/builddmaster/incoming/20100322-230516-1575720-3215052 (OOPS-1542FTPMASTER1)
2010-03-22 23:05:25 DEBUG Moving upload directory /srv/launchpad.net/builddmaster/incoming/20100322-230516-1575720-3215052 to /srv/launchpad.net/builddmaster/failed/20100322-230516-1575720-3215052
2010-03-22 23:05:25 DEBUG Rolling back any remaining transactions.
2010-03-22 23:05:25 DEBUG Removing lock file: /var/lock/process-upload-buildd.lock