The UPLOAD part of the SETI@home software doesn't appear to talk to the DOWNLOAD side. My G4 PowerBook 1GHz is running setiathome_4.02_powerpc-apple-darwin with the recently-downloaded 4.09 Boinc software. The following terminal log shows that the UPLOAD side had deferred comms because it couldn't connect. A minute or so later, the DOWNLOAD side was able to connect and download 3 new WU, but didn't attempt to upload the completed WU.

Thanks,
C

2004-09-30 18:06:22 [SETI@home] Couldn't start upload for http://setiboincdata.ssl.berkeley.edu/sah_cgi/file_upload_handler: error -113
2004-09-30 18:06:22 [SETI@home] Couldn't start upload for http://setiboincdata.ssl.berkeley.edu/sah_cgi/file_upload_handler: error -113
2004-09-30 18:06:22 [SETI@home] Backing off 1 hours, 14 minutes, and 4 seconds on transfer of file 05my04aa.7961.19712.565904.165_3_0
2004-09-30 18:06:22 [SETI@home] Deferring communication with project for 1 minutes and 0 seconds
2004-09-30 18:06:22 [SETI@home] Deferring communication with project for 1 minutes and 0 seconds
Resuming CPDN!
1wv6_100110161 - PH 1 TS 072463 - 10/02/1815 15:30 - H:M:S=0162:50:14 AVG= 8.09 DLT= 3.69
1wv6_100110161 - PH 1 TS 072464 - 10/02/1815 16:00 - H:M:S=0162:50:46 AVG= 8.09 DLT=32.15
1wv6_100110161 - PH 1 TS 072465 - 10/02/1815 16:30 - H:M:S=0162:50:48 AVG= 8.09 DLT= 2.66
1wv6_100110161 - PH 1 TS 072466 - 10/02/1815 17:00 - H:M:S=0162:50:52 AVG= 8.09 DLT= 3.61
1wv6_100110161 - PH 1 TS 072467 - 10/02/1815 17:30 - H:M:S=0162:50:55 AVG= 8.09 DLT= 3.10
1wv6_100110161 - PH 1 TS 072468 - 10/02/1815 18:00 - H:M:S=0162:50:58 AVG= 8.09 DLT= 2.88
1wv6_100110161 - PH 1 TS 072469 - 10/02/1815 18:30 - H:M:S=0162:51:02 AVG= 8.09 DLT= 3.66
2004-09-30 18:07:23 [---] May run out of work in 3.00 days; requesting more
2004-09-30 18:07:23 [SETI@home] Requesting 154457 seconds of work
2004-09-30 18:07:23 [SETI@home] Sending request to scheduler: http://setiboinc.ssl.berkeley.edu/sah_cgi/cgi
2004-09-30 18:07:37 [SETI@home] Scheduler RPC to http://setiboinc.ssl.berkeley.edu/sah_cgi/cgi succeeded
2004-09-30 18:07:37 [SETI@home] Project prefs: no separate prefs for work; using your defaults
2004-09-30 18:07:37 [SETI@home] Started download of 06my04aa.15945.6368.59646.20
2004-09-30 18:07:37 [SETI@home] Started download of 01mr04ab.2990.17969.348568.4
2004-09-30 18:07:45 [SETI@home] Finished download of 01mr04ab.2990.17969.348568.4
2004-09-30 18:07:45 [SETI@home] Throughput 45925 bytes/sec
2004-09-30 18:07:45 [SETI@home] Started download of 06my04aa.15945.6368.59646.10
2004-09-30 18:07:45 [SETI@home] Finished download of 06my04aa.15945.6368.59646.20
2004-09-30 18:07:45 [SETI@home] Throughput 42577 bytes/sec
2004-09-30 18:07:50 [SETI@home] Finished download of 06my04aa.15945.6368.59646.10
2004-09-30 18:07:50 [SETI@home] Throughput 77312 bytes/sec
1wv6_100110161 - PH 1 TS 072470 - 10/02/1815 19:00 - H:M:S=0162:51:33 AVG= 8.09 DLT=31.57

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This is the wrong forum, you need to ask it in the Mac forums......
My name is Pascal and this message has no meaning, but still has my approval...

It is 10 oclock, do you know what your WUWUs are doing tonight...

Hi There,

The answer is simple and not MAC specific. On the Seti-Site there are serval servers and
not all of the are running always for one reason or the other. Therefore you might get a
download, but a uplaod or visa versa or even no communaction at all. You just have to
wait untill the appropriate servers are running. You can check the server statuses on the
steti-boinc site.

Keith J. Schultz