You do not put -n in when you're trying to mine... it's for information only

cgminer version 2.8.5 - Started: [2012-10-25 20:11:14]
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 (5s):0.000 (avg):0.000h/s | Q:2  A:0  R:0  HW:0  E:0%  U:0.0/m
 TQ: 0  ST: 3  SS: 0  DW: 0  NB: 1  LW: 4  GF: 0  RF: 0  WU: 0.0
 Connected to http://coinotron.com:8322 with LP as user Nolo.8
 Block: bee9ad10a9420b06d36b528fd8660214...  Started: [20:11:14]
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 [P]ool management [G]PU management [Settings [D]isplay options [Q]uit
 GPU 0: OFF  / 0.000h/s | A:0 R:0 HW:0 U:0.00/m I:20
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 [2012-10-25 20:11:14] Use the gpu map feature to reliably map OpenCL to ADL
 [2012-10-25 20:11:14] WARNING: Number of OpenCL and ADL devices did not match!
 [2012-10-25 20:11:14] Hardware monitoring may NOT match up with devices!
 [2012-10-25 20:11:14] Probing for an alive pool
 [2012-10-25 20:11:14] Long-polling activated for http://coinotron.com:8322/LP
 [2012-10-25 20:11:14] Maximum buffer memory device 0 supports says 268353536
 [2012-10-25 20:11:14] Your scrypt settings come to 367001600
 [2012-10-25 20:11:14] Pool 0 http://coinotron.com:8322 alive
 [2012-10-25 20:11:14] Pool 1 http://www.coinotron.com:8322 alive
 [2012-10-25 20:11:17] Error: clEnqueueReadBuffer failed error -5. (clEnqueueRea
dBuffer)
 [2012-10-25 20:11:17] GPU 0 failure, disabling!
 [2012-10-25 20:11:17] Thread 0 being disabled