squid abort

Hi folks,
        My squid simple stoped and gave me this message in the log file, can
anyone tell me what's wrong ??? (It's running again, but I'm afraid of
futures problems)

                thanks in advance

96/08/28 21:15:16| ERR_READ_ERROR:
http://ad.doubleclick.net/viewad/2768-sony_la
96/08/28 21:17:52| ERR_DNS_FAIL: http://ww.brasillistas.com.br/
96/08/28 21:24:18| icpDetectClientClose: ERROR 200.239.227.38: (32)
Broken pipe
96/08/28 21:25:12| ERR_CLIENT_ABORT:
http://www.belgo.com.br/caf/foto-21.gif
96/08/28 21:25:16| ERR_CLIENT_ABORT:
http://www.belgo.com.br/caf/f-fase04.htm
96/08/28 21:25:54| ERR_CLIENT_ABORT:
http://www.nitnet.com.br/imagens/palace2.gi
FATAL: xmalloc: Unable to allocate 65535 bytes!

Squid Cache (Version 1.1.11): Terminated abnormally.
CPU Usage: user 23 sys 40
Maximum Resident Size: 0 KB
Page faults with physical i/o: 3205
Memory usage for squid via mallinfo():
        total space in arena: 13303 KB
        Ordinary blocks: 13101 KB 3215 blks
        Small blocks: 0 KB 0 blks
        Holding blocks: 260 KB 1 blks
        Free Small blocks: 0 KB
        Free Ordinary blocks: 201 KB
        Total in use: 13361 KB 100%
        Total free: 201 KB 2%
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Received on Fri Aug 29 1997 - 06:28:59 MDT