[squid-users] squid run with 100% usage

Hi my squid shows 100% usage in top an strace shows me this messages.
Btw the squid.dump raises to 5 mb in 2 seconds, with millions of the
same message...
-------------------strace -o /tmp/squid.dump -p 345-----------------
gettimeofday({1002901170, 457031}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 457186}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 457341}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 457496}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 457667}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 457823}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 457977}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 458132}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 458287}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 458442}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 458596}, NULL) = 0
poll([{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10,
events=POLLIN}], 3, 0) = 0
gettimeofday({1002901170, 458750}, NULL) = 0
gettimeofday({1002901170, 458810}, NULL) = 0
-----------------------------------------------------------------

Its version squid-2.3.STABLE4-10.6.2.i386.rpm
Can somebody explain what's going on here ?
-----------------------------TOP--------------------
  5:42pm up 1:05, 1 user, load average: 0.56, 0.50, 0.50
41 processes: 38 sleeping, 3 running, 0 zombie, 0 stopped
CPU states: 40.0% user, 35.2% system, 0.0% nice, 24.6% idle
Mem: 127764K av, 120708K used, 7056K free, 7792K shrd, 48592K

buff
Swap: 208056K av, 5844K used, 202212K free 49592K

cached

  PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
 1420 squid 19 0 9624 9624 1144 R 99.0 7.5 3:05 squid
-------------------------------------------------
Received on Fri Oct 12 2001 - 10:52:35 MDT