问题现象：正常可以使用，跑鲁大师黑屏，跑甜甜圈黑屏，系统也跑挂了。
测试：
使用mats测试显存，跑了2000MB，一会再跑一个2048MB的进行全面测试显存，log如下
mats version 367.38. Testing GM107 with 2000 MB of memory starting with 0 MB.
Errors found. Use -matsinfo for details.
This message will only appear once.
SUBPART RANK0 RD ERR RANK0 WR ERR UNKNOWN ERR
------------- ------------- ------------- ------------
FBIOA[ 31: 0] 0 0 0
FBIOA[ 63: 32] 0 0 0
FBIOB[ 31: 0] 0 0 0
FBIOB[ 63: 32] 0 80 0
Rank 0 Failing bits:
B032 B033 B034 B035 B036 B037 B038 B039 B041 B043 B044 B045 B046 B047
Read Error Count: 0
Write Error Count: 80
Unknown Error Count: 0
BIT RANK0 WRITE RANK0 READ UNKNOWN
--- ----------- ---------- -------
B032 20 0 0
B032 20 0 0
B032 20 0 0
B032 20 0 0
B033 18 0 0
B033 18 0 0
B033 18 0 0
B033 18 0 0
B034 20 0 0
B034 20 0 0
B034 20 0 0
B034 20 0 0
B035 18 0 0
B035 18 0 0
B035 18 0 0
B035 18 0 0
B036 20 0 0
B036 20 0 0
B036 20 0 0
B036 20 0 0
B037 2 0 0
B037 2 0 0
B037 2 0 0
B037 2 0 0
B038 20 0 0
B038 20 0 0
B038 20 0 0
B038 20 0 0
B039 18 0 0
B039 18 0 0
B039 18 0 0
B039 18 0 0
B041 2 0 0
B041 2 0 0
B041 2 0 0
B041 2 0 0
B043 18 0 0
B043 18 0 0
B043 18 0 0
B043 18 0 0
B044 20 0 0
B044 20 0 0
B044 20 0 0
B044 20 0 0
B045 18 0 0
B045 18 0 0
B045 18 0 0
B045 18 0 0
B046 20 0 0
B046 20 0 0
B046 20 0 0
B046 20 0 0
B047 18 0 0
B047 18 0 0
B047 18 0 0
B047 18 0 0
ADDRESS EXPECTED ACTUAL REREAD1 REREAD2 FAILBITS TPSEIB ROW COL
---------- -------- -------- -------- -------- -------- ------ ---- ---
000000c800 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 180
000000c808 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 182
000000c810 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 184
000000c818 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 186
000000c820 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 188
000000c828 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 18a
000000c830 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 18c
000000c838 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 18e
000000ca00 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1c0
000000ca08 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1c2
000000ca10 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1c4
000000ca18 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1c6
000000ca20 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1c8
000000ca28 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1ca
000000ca30 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1cc
000000ca38 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1ce
000000ca40 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1d0
000000ca48 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1d2
000000ca50 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1d4
000000ca58 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1d6
000000ca60 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1d8
000000ca68 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1da
000000ca70 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1dc
000000ca78 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1de
000000c940 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 110
000000c948 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 112
000000c950 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 114
000000c958 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 116
000000c960 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 118
000000c968 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 11a
000000c970 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 11c
000000c978 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 11e
000000c8c0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1b0
000000c8c8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1b2
000000c8d0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1b4
000000c8d8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1b6
000000c8e0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1b8
000000c8e8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1ba
000000c8f0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1bc
000000c8f8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1be
000000c980 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 120
000000c988 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 122
000000c990 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 124
000000c998 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 126
000000c9a0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 128
000000c9a8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 12a
000000c9b0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 12c
000000c9b8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 12e
000000c880 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1a0
000000c888 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1a2
000000c890 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1a4
000000c898 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1a6
000000c8a0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 1a8
000000c8a8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 1aa
000000c8b0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 1ac
000000c8b8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 1ae
000000c9c0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 130
000000c9c8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 132
000000c9d0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 134
000000c9d8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 136
000000c9e0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 138
000000c9e8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 13a
000000c9f0 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 13c
000000c9f8 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 13e
000000c840 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 190
000000c848 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 192
000000c850 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 194
000000c858 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 196
000000c860 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d0 0000 198
000000c868 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d2 0000 19a
000000c870 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d4 0000 19c
000000c878 ffffffff ffff0720 ffff0720 ffff0720 0000f8df WB10d6 0000 19e
000000c938 55555555 55550720 55550720 55550720 00005275 WB10d6 0000 10e
000000c930 55555555 55550720 55550720 55550720 00005275 WB10d4 0000 10c
000000c928 55555555 55550720 55550720 55550720 00005275 WB10d2 0000 10a
000000c920 55555555 55550720 55550720 55550720 00005275 WB10d0 0000 108
000000c918 55555555 55550720 55550720 55550720 00005275 WB10d6 0000 106
000000c910 55555555 55550720 55550720 55550720 00005275 WB10d4 0000 104
000000c908 55555555 55550720 55550720 55550720 00005275 WB10d2 0000 102
000000c900 55555555 55550720 55550720 55550720 00005275 WB10d0 0000 100
if you are getting failure for first MBof FB then try option -no_scan_out
Error Code = 00000001
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