Hello.  Excuse my newbish question but I am trying to learn how to interpret the log files to diagnose stability issues I am having.  Does this mean GPU 2 is the GPU I should be questioning?  They all go out, but GPU 2 always leads the pack.  Any help is much appreciated!

21:48:57:240   2168   ETH: job is the same
21:48:57:240   2168   new buf size: 0
21:48:58:319   1434   recv: 51
21:48:58:319   1434   srv pck: 50
21:48:58:319   1434   srv bs: 0
21:48:58:334   1434   sent: 326
21:49:02:866   2138   GPU 2, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:866   2138   GPU 2, GpuMiner kx failed 1
21:49:02:866   2138   Set global fail flag, failed GPU2
21:49:02:866   213c   GPU 2, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:866   2138   GPU 2 failed
21:49:02:882   214c   GPU 4, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:882   2128   GPU 0, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:882   213c   GPU 2, GpuMiner kx failed 1
21:49:02:897   213c   Set global fail flag, failed GPU2
21:49:02:897   2158   GPU 6, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:897   2164   GPU 7, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:897   2140   GPU 3, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:913   214c   GPU 4, GpuMiner kx failed 1
21:49:02:913   2128   GPU 0, GpuMiner kx failed 1
21:49:02:913   2128   Set global fail flag, failed GPU0
21:49:02:913   213c   GPU 2 failed
21:49:02:928   2158   GPU 6, GpuMiner kx failed 1
21:49:02:928   2164   GPU 7, GpuMiner kx failed 1
21:49:02:928   2140   GPU 3, GpuMiner kx failed 1
21:49:02:913   214c   Set global fail flag, failed GPU4
21:49:02:944   2154   GPU 5, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:944   2128   GPU 0 failed
21:49:02:944   212c   GPU 0, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:928   2158   Set global fail flag, failed GPU6
21:49:02:960   2158   GPU 6 failed
21:49:02:960   2130   GPU 1, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:928   2140   Set global fail flag, failed GPU3
21:49:02:960   2148   GPU 4, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:975   214c   GPU 4 failed
21:49:02:975   2154   GPU 5, GpuMiner kx failed 1
21:49:02:975   212c   GPU 0, GpuMiner kx failed 1
21:49:02:928   2164   Set global fail flag, failed GPU7
21:49:02:991   215c   GPU 6, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:02:991   2130   GPU 1, GpuMiner kx failed 1
21:49:02:991   2144   GPU 3, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:03:007   2140   GPU 3 failed
21:49:03:007   2148   GPU 4, GpuMiner kx failed 1
21:49:02:975   2154   Set global fail flag, failed GPU5
21:49:03:007   2154   GPU 5 failed
21:49:03:007   2160   GPU 7, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:03:022   2164   GPU 7 failed
21:49:03:022   215c   GPU 6, GpuMiner kx failed 1
21:49:02:991   2130   Set global fail flag, failed GPU1
21:49:03:038   2144   GPU 3, GpuMiner kx failed 1
21:49:02:991   212c   Set global fail flag, failed GPU0
21:49:03:007   2148   Set global fail flag, failed GPU4
21:49:03:053   2148   GPU 4 failed
21:49:03:053   2160   GPU 7, GpuMiner kx failed 1
21:49:03:038   215c   Set global fail flag, failed GPU6
21:49:03:053   215c   GPU 6 failed
21:49:03:069   2130   GPU 1 failed
21:49:03:038   2144   Set global fail flag, failed GPU3
21:49:03:069   2144   GPU 3 failed
21:49:03:069   2150   GPU 5, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:03:053   2160   Set global fail flag, failed GPU7
21:49:03:085   2134   GPU 1, GpuMiner cu_k01 failed 73, an illegal instruction was encountered
21:49:03:085   212c   GPU 0 failed
21:49:03:085   2150   GPU 5, GpuMiner kx failed 1
21:49:03:085   2160   GPU 7 failed
21:49:03:100   2134   GPU 1, GpuMiner kx failed 1
21:49:03:085   2150   Set global fail flag, failed GPU5
21:49:03:100   2150   GPU 5 failed
21:49:03:100   2134   Set global fail flag, failed GPU1
21:49:03:116   2134   GPU 1 failed
21:49:03:335   1f94   recv: 51
21:49:03:335   1f94   srv pck: 50
21:49:03:335   1f94   srv bs: 0
21:49:03:335   1f94   sent: 243
21:49:05:616   1c48   GPU0 t=60C fan=100%, GPU1 t=50C fan=70%, GPU2 t=58C fan=100%, GPU3 t=55C fan=100%, GPU4 t=63C fan=100%, GPU5 t=58C fan=100%, GPU6 t=59C fan=100%, GPU7 t=59C fan=100%
21:49:05:616   1c48   em hbt: 0, dm hbt: 0, fm hbt: 16,
21:49:05:616   1c48   watchdog - thread 0 (gpu0), hb time 2922
21:49:05:616   1c48   watchdog - thread 1 (gpu0), hb time 2813
21:49:05:632   1c48   watchdog - thread 2 (gpu1), hb time 2938
21:49:05:632   1c48   watchdog - thread 3 (gpu1), hb time 2829
21:49:05:632   1c48   watchdog - thread 4 (gpu2), hb time 2954
21:49:05:632   1c48   watchdog - thread 5 (gpu2), hb time 2875
21:49:05:632   1c48   watchdog - thread 6 (gpu3), hb time 2954
21:49:05:647   1c48   watchdog - thread 7 (gpu3), hb time 2859
21:49:05:647   1c48   watchdog - thread 8 (gpu4), hb time 2797
21:49:05:647   1c48   watchdog - thread 9 (gpu4), hb time 2906
21:49:05:647   1c48   watchdog - thread 10 (gpu5), hb time 2875
21:49:05:647   1c48   watchdog - thread 11 (gpu5), hb time 2969
21:49:05:663   1c48   watchdog - thread 12 (gpu6), hb time 2985
21:49:05:663   1c48   watchdog - thread 13 (gpu6), hb time 2891
21:49:05:663   1c48   watchdog - thread 14 (gpu7), hb time 2875
21:49:05:663   1c48   watchdog - thread 15 (gpu7), hb time 2985
21:49:05:663   1c48   WATCHDOG: GPU error, you need to restart miner
21:49:06:851   1c48   Restarting OK, exit...