[icecast] Icecast spawns processes when unable to contact YP

Geoff Shang gshang at uq.net.au
Tue Apr 8 09:07:43 PDT 2003



Hi:

For the past few hours, www.oddsock.org/yp.cgi has been uncontactable.
When I start the icecast server, it seems to perform very badly while
trying to contact the YP server.  After a couple of minutes, the streaming
begins to work, but it starts spawning processes at the rate of a couple a
minute.  the following also starts appearing in the server log:

[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result SID -> ()
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result Message -> ()
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result Touch Freq ->
(0)
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result Response -> (0)
[2003-04-08  10:26:28] EROR yp/yp_submit_url Got a NAK from yp_add(Unknown)
(http://www.oddsock.org/cgi-bin/yp-cgi)
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result SID -> ()
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result Message -> ()
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result Touch Freq ->
(0)
[2003-04-08  10:26:28] DBUG geturl/curl_print_header_result Response -> (0)
[2003-04-08  10:26:28] EROR yp/yp_submit_url Got a NAK from yp_add(Unknown)
(http://www.oddsock.org/cgi-bin/yp-cgi)
[2003-04-08  10:26:59] DBUG geturl/curl_print_header_result SID -> ()
[2003-04-08  10:26:59] DBUG geturl/curl_print_header_result Message -> ()
[2003-04-08  10:26:59] DBUG geturl/curl_print_header_result Touch Freq ->
(0)
[2003-04-08  10:26:59] DBUG geturl/curl_print_header_result Response -> (0)
[2003-04-08  10:26:59] EROR yp/yp_submit_url Got a NAK from yp_add(Unknown)
(http://www.oddsock.org/cgi-bin/yp-cgi)

There's normally 12 processes.  during one go round, I killed it off at 52.
Kirk who admins the system tells me it was impacting on performance when he
first noticed it, so much so that he couldn't get a pid count.  So he just
killed it.  I also noticed that when I kill it when it's in this state, it
segfaults.

Let me know if there's anything else I can say that will help debug this.
I commented out the YP stuff and it fixed the problem.

Geoff.

<p>
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Geoff Shang <gshang at uq.net.au>
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