So, I have a 1246 that has been running well for a while now, but recently began restarting randomly. I ran aging process, no change to behavior. I literally sat and watched the log for about an hour and was able to grab it right before it restarted, did this a couple times.

PVT is coming back with a negative value for some chips, at least one chip on each board. NOT the same chips each time....

Here is a copy of the log:

Code:

{'STATUS':[{'STATUS':'S','When':0,'Code':11,'Msg':'Summary','Description':'cgminer 4.11.1'}],'SUMMARY':[{'Elapsed':844,'MHS av':67868718.16,'MHS 30s':22837867.94,'MHS 1m':31502034.98,'MHS 5m':56307273.09,'MHS 15m':40064303.62,'Found Blocks':0,'Getworks':45,'Accepted':183,'Rejected':0,'Hardware Errors':564,'Utility':13.01,'Discarded':2533943,'Stale':0,'Get Failures':0,'Local Work':27096,'Remote Failures':0,'Network Blocks':1,'Total MH':57099836795.0000,'Work Utility':945101.88,'Difficulty Accepted':13352960.00000000,'Difficulty Rejected':0.00000000,'Difficulty Stale':0.00000000,'Best Share':37092075,'Device Hardware%':0.0042,'Device Rejected%':0.0000,'Pool Rejected%':0.0000,'Pool Stale%':0.0000,'Last getwork':0}
{'STATUS':[{'STATUS':'S','When':0,'Code':70,'Msg':'CGMiner stats','Description':'cgminer 4.11.1'}],'STATS':[{'STATS':0,'ID':'AVA100','Elapsed':844,'Calls':0,'Wait':0.000000,'Max':0.000000,'Min':99999999.000000,'MM ID0':'Ver[1246-87-21022602_4ec6bb0_5f74eeft] DNA[020100009aaebd09] MEMFREE[1479384.0] NETFAIL[0 0 0 0 0 0 0 0] SYSTEMSTATU[Work: In Work, Hash Board: 3 ] Elapsed[845] BOOTBY[0x11.00000000] LW[762486] MH[47 473 44] HW[564] DH[3.986%] Temp[30] TMax[77] TAvg[62] Fan1[2707] Fan2[2194] Fan3[2693] Fan4[2648] FanR[31%] Vo[330] PS[0 1210 1321 136 1808 1320] PLL0[11143 6754 11458 334] PLL1[9969 6210 10566 363] PLL2[10343 6046 10622 346] GHSspd[78186.16] DHspd[3.986%] GHSmm[81567.52] GHSavg[67502.85] WU[943003.85] Freq[488.31] Led[0] MGHS[23142.20 21961.95 22398.69] MTmax[77 72 74] MTavg[64 61 62] TA[360] Core[A3201] PING[70] POWS[0] HASHS[0 0 0] POOLS[0] SoftOFF[0] ECHU[262144 262144 262144] ECMM[0] SF0[448 468 488 508] SF1[448 468 488 508] SF2[448 468 488 508] PVT_T0[ 62 63 59 56 70 69 68 71 62 65 71 71 60 69 60 -1397 63 64 69 74 65 61 72 68 61 69 73 71 64 65 67 65 59 59 71 68 66 58 73 75 64 67 57 69 59 77 67 65 62 63 68 71 60 64 62 63 69 64 62 59 57 59 60 65 64 62 61 60 65 65 62 63 66 63 66 66 64 62 63 63 60 64 64 64 62 64 67 64 66 64 66 65 65 67 67 66 63 66 66 64 59 66 65 65 56 59 67 65 66 66 65 69 66 66 65 59 64 62 60 64] PVT_T1[ 54 59 60 58 56 56 54 61 58 61 70 63 56 -1397 68 55 57 63 57 57 58 -1397 59 65 65 68 70 70 67 68 67 69 59 56 59 62 63 67 59 72 59 56 55 60 60 69 67 65 58 60 63 64 56 60 62 59 62 60 62 62 57 56 59 59 60 58 56 60 61 70 61 63 64 59 68 65 57 59 58 65 60 63 64 65 62 58 63 64 67 64 62 63 59 69 57 62 56 64 68 63 55 50 61 55 64 59 63 -1397 61 65 61 64 64 62 62 60 64 62 61 61] PVT_T2[ 59 58 61 66 54 64 67 68 57 56 57 58 58 -1397 71 71 55 67 57 59 74 72 64 66 64 67 63 59 67 64 62 59 54 58 57 60 64 67 72 61 71 60 64 67 56 67 64 64 61 62 66 64 59 60 60 64 65 64 60 60 56 57 60 60 59 61 61 56 59 63 60 59 59 61 58 71 57 60 62 60 64 66 64 62 63 51 58 64 64 62 54 64 63 66 62 64 63 63 64 63 64 62 66 63 64 64 57 63 60 64 63 58 55 57 65 64 65 61 60 65] PVT_V0[302 261 300 275 295 311 294 294 312 284 289 290 321 319 331 0 313 286 286 287 312 310 282 285 310 286 287 291 303 291 285 299 329 327 291 292 285 309 286 283 299 287 346 295 326 290 293 292 290 338 291 292 329 292 291 294 291 295 299 303 302 295 293 292 296 294 310 294 295 298 298 297 254 292 290 287 290 291 293 292 333 329 299 299 290 293 292 290 292 289 297 295 294 293 295 338 291 293 292 308 318 288 290 302 336 318 291 295 287 292 290 289 287 285 290 339 287 290 330 296] PVT_V1[323 294 314 306 320 326 307 299 325 287 295 314 294 0 293 323 327 295 312 317 299 0 325 292 286 286 286 285 286 285 289 289 326 302 319 289 287 287 293 283 302 317 310 298 320 297 295 297 315 299 292 292 325 327 290 306 291 298 298 301 297 292 290 293 315 321 326 297 297 290 293 326 293 327 292 292 321 290 311 294 315 293 298 298 291 318 295 289 291 290 293 296 286 295 317 294 303 289 292 289 320 290 289 305 289 321 292 294 291 291 290 292 306 293 292 326 290 292 320 294] PVT_V2[294 295 311 297 307 295 290 288 319 324 321 315 311 0 290 292 328 292 321 288 291 289 295 288 290 290 294 315 289 287 287 299 323 305 317 298 290 289 289 307 290 305 286 289 315 288 291 293 292 290 290 291 294 292 291 298 295 288 292 297 295 299 293 293 329 307 295 310 320 297 301 296 307 291 302 294 327 296 292 297 305 288 292 294 295 307 306 290 306 290 325 293 294 295 298 299 295 294 293 290 287 285 290 292 290 295 311 297 289 286 290 308 318 322 294 294 294 292 290 293] MW[255135 255154 255176] MW0[28 38 30 276 42 38 31 33 32 37 28 37 48 40 34 29 30 26 35 37 25 24 30 36 19 27 33 41 45 27 43 34 29 29 36 35 37 23 36 32 33 46 36 44 24 30 40 38 26 38 26 39 34 25 37 38 44 46 42 37 35 31 35 39 36 37 34 35 46 45 32 28 36 35 40 35 30 33 40 35 42 29 34 31 31 37 37 41 29 39 29 43 38 31 42 29 33 37 45 45 28 42 22 38 33 28 31 26 34 30 41 36 30 42 30 50 37 46 50 45] MW1[28 32 41 34 36 48 35 41 32 41 30 40 43 30 36 42 28 35 30 33 37 40 26 36 43 31 31 31 31 36 31 33 30 36 25 42 34 26 33 35 36 46 31 40 38 29 26 43 37 46 31 25 42 36 37 28 28 41 34 36 37 32 36 36 29 45 34 38 38 34 23 27 39 41 43 31 31 42 30 31 44 29 38 36 33 34 36 35 24 38 29 44 35 50 24 31 47 42 34 42 38 42 34 34 32 35 34 35 39 37 29 39 40 33 37 36 28 32 35 41] MW2[37 27 47 34 29 42 30 19 33 27 35 32 36 40 36 25 26 34 37 29 38 29 38 35 40 29 25 33 40 37 37 31 39 28 27 33 36 42 36 24 53 33 30 32 32 40 31 33 38 38 43 35 38 43 57 43 42 32 37 41 38 47 33 42 25 40 38 38 32 31 49 32 37 31 33 41 30 35 40 41 40 46 37 32 37 39 26 36 41 32 33 40 40 46 35 46 36 28 38 37 32 28 36 38 25 37 48 41 39 34 42 37 30 35 42 41 34 40 38 30] ASICCRC0[0 6 1 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] ASICCRC1[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] ASICCRC2[0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0] CRC[1475339873 988358013 2251712585] POW_I2C[OK] FACOPTS0[] FACOPTS1[] ATAOPTS0[--avalon10-freq 424:444:464:484 --avalon10-voltage-level 76 ] ATAOPTS1[--avalon10-freq 448:468:488:508 --avalon10-voltage-level 40 ] ADJ[1] COP[0 0 0] MPO[3200] MVL[87] ATABD0[448 468 488 508] ATABD1[448 468 488 508] ATABD2[448 468 488 508] WORKMODE[1]','MM Count':1,'Smart Speed':1,'Voltage Level Offset':0,'Nonce Mask':25}

Any thoughts? This unit has also been previously updated to a firmware directly from Canaan support

Sunnyd911

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