Hi guys,
I've been mining for 3 days now no issues. All of a sudden, my computer rebooted by itself. Now, everytime I start my miner, program always hangs at "create GPU buffer for GPU0" and computer shuts down. Any idea?

21:44:59:151   1004   ETH: Stratum - Connected (pool-usa.ethosdistro.com:5001)
21:44:59:479   1004   got 282 bytes
21:44:59:479   1004   buf: {"jsonrpc":"2.0","id":2,"result":true}
{"jsonrpc":"2.0","id":0,"result":["0x3a0a7aacbb90c54d8f778bbee10efc65b3c054333e7b81ab90126b261ca64523","0xe586ce62651f6de0be923da595f6773a2d1bd9b41ca0ad927456061ed15c0a14","0x00000000dbe6fecebdedd5beb573440e5a884d1b2fbf06fcce912adcb8d8422e"]}

21:44:59:479   1004   parse packet: 38
21:44:59:479   1004   ETH: Authorized
21:44:59:479   1004   send: {"worker": "", "jsonrpc": "2.0", "params": [], "id": 3, "method": "eth_getWork"}

21:44:59:479   1004   remove first packet 243
21:44:59:479   1004   new buf size: 243
21:44:59:479   1004   parse packet: 242
21:44:59:479   1004   ETH: job changed
21:44:59:479   1004   new buf size: 0
21:44:59:559   218   Setting DAG epoch #122...
21:44:59:653   1004   got 243 bytes
21:44:59:653   1004   buf: {"jsonrpc":"2.0","id":0,"result":["0x3a0a7aacbb90c54d8f778bbee10efc65b3c054333e7b81ab90126b261ca64523","0xe586ce62651f6de0be923da595f6773a2d1bd9b41ca0ad927456061ed15c0a14","0x00000000dbe6fecebdedd5beb573440e5a884d1b2fbf06fcce912adcb8d8422e"]}

21:44:59:653   1004   parse packet: 242
21:44:59:653   1004   ETH: job is the same
21:44:59:653   1004   new buf size: 0
21:45:03:584   218   Setting DAG epoch #122 for GPU #0
21:45:03:584   218   Create GPU buffer for GPU #0