Task 45222629
| Name | TF_75-76_757-767M_wu_146552_0 |
| Workunit | 41002705 |
| Created | 19 Jan 2026, 19:36:23 UTC |
| Sent | 24 Jan 2026, 19:14:34 UTC |
| Report deadline | 30 Jan 2026, 1:14:34 UTC |
| Received | 24 Jan 2026, 19:18:31 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 226939 |
| Run time | 2 min 21 sec |
| CPU time | 3 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 1,170.21 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 110.17 MB |
| Peak swap size | 257.65 MB |
| Peak disk usage | 4.95 MB |
Stderr output
<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-01-24 14:15:24 (6072): wrapper (7.24.26018): starting
2026-01-24 14:15:24 (6072): wrapper: running mfaktc-win-64.exe (-d 3)
2026-01-24 14:15:24 (6072): wrapper: created child process 8608
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 12.8
CUDA device info
name Quadro P2000
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 8
clock rate (CUDA cores) 1480 MHz
memory clock rate: 3504 MHz
memory bus width: 160 bits
Automatic parameters
threads per grid 1048576
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=764682089 bit_min=75 bit_max=76 (10.01 GHz-days)
Starting trial factoring M764682089 from 2^75 to 2^76 (10.01 GHz-days)
k_min = 24702377894040
k_max = 49404755788594
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 24 14:15 | 0 0.1% | 2.471 39m30s | 364.48 82485 n.a.%
Jan 24 14:15 | 4 0.2% | 2.381 38m01s | 378.25 82485 n.a.%
Jan 24 14:15 | 7 0.3% | 2.382 38m00s | 378.09 82485 n.a.%
Jan 24 14:15 | 12 0.4% | 2.382 37m57s | 378.09 82485 n.a.%
Jan 24 14:15 | 16 0.5% | 2.386 37m59s | 377.46 82485 n.a.%
Jan 24 14:15 | 19 0.6% | 2.400 38m10s | 375.26 82485 n.a.%
Jan 24 14:15 | 24 0.7% | 2.405 38m12s | 374.48 82485 n.a.%
Jan 24 14:15 | 27 0.8% | 2.407 38m11s | 374.17 82485 n.a.%
Jan 24 14:15 | 31 0.9% | 2.408 38m10s | 374.01 82485 n.a.%
Jan 24 14:15 | 39 1.0% | 2.409 38m09s | 373.86 82485 n.a.%
Jan 24 14:15 | 40 1.1% | 2.409 38m06s | 373.86 82485 n.a.%
Jan 24 14:15 | 51 1.2% | 2.408 38m03s | 374.01 82485 n.a.%
Jan 24 14:15 | 52 1.4% | 2.410 38m02s | 373.70 82485 n.a.%
Jan 24 14:16 | 55 1.5% | 2.409 37m59s | 373.86 82485 n.a.%
Jan 24 14:16 | 60 1.6% | 2.559 40m18s | 351.94 82485 n.a.%
Jan 24 14:16 | 67 1.7% | 2.594 40m49s | 347.19 82485 n.a.%
Jan 24 14:16 | 72 1.8% | 2.487 39m05s | 362.13 82485 n.a.%
Jan 24 14:16 | 75 1.9% | 2.487 39m03s | 362.13 82485 n.a.%
Jan 24 14:16 | 79 2.0% | 2.484 38m57s | 362.57 82485 n.a.%
Jan 24 14:16 | 84 2.1% | 2.486 38m57s | 362.28 82485 n.a.%
Jan 24 14:16 | 91 2.2% | 2.487 38m55s | 362.13 82485 n.a.%
Jan 24 14:16 | 96 2.3% | 2.485 38m51s | 362.42 82485 n.a.%
Jan 24 14:16 | 100 2.4% | 2.485 38m48s | 362.42 82485 n.a.%
Jan 24 14:16 | 111 2.5% | 2.487 38m48s | 362.13 82485 n.a.%
Jan 24 14:16 | 112 2.6% | 2.485 38m43s | 362.42 82485 n.a.%
Jan 24 14:16 | 115 2.7% | 2.484 38m40s | 362.57 82485 n.a.%
Jan 24 14:16 | 124 2.8% | 2.486 38m39s | 362.28 82485 n.a.%
Jan 24 14:16 | 132 2.9% | 2.487 38m38s | 362.13 82485 n.a.%
Jan 24 14:16 | 135 3.0% | 2.484 38m33s | 362.57 82485 n.a.%
Jan 24 14:16 | 136 3.1% | 2.485 38m31s | 362.42 82485 n.a.%
Jan 24 14:16 | 139 3.2% | 2.487 38m30s | 362.13 82485 n.a.%
Jan 24 14:16 | 144 3.3% | 2.485 38m26s | 362.42 82485 n.a.%
Jan 24 14:16 | 147 3.4% | 2.484 38m23s | 362.57 82485 n.a.%
Jan 24 14:16 | 151 3.5% | 2.487 38m23s | 362.13 82485 n.a.%
Jan 24 14:16 | 156 3.6% | 2.487 38m20s | 362.13 82485 n.a.%
Jan 24 14:16 | 159 3.8% | 2.485 38m16s | 362.42 82485 n.a.%
Jan 24 14:16 | 160 3.9% | 2.485 38m14s | 362.42 82485 n.a.%
Jan 24 14:17 | 171 4.0% | 2.487 38m13s | 362.13 82485 n.a.%
Jan 24 14:17 | 172 4.1% | 2.486 38m10s | 362.28 82485 n.a.%
Jan 24 14:17 | 180 4.2% | 2.484 38m05s | 362.57 82485 n.a.%
Jan 24 14:17 | 184 4.3% | 2.486 38m05s | 362.28 82485 n.a.%
Jan 24 14:17 | 187 4.4% | 2.487 38m03s | 362.13 82485 n.a.%
Jan 24 14:17 | 192 4.5% | 2.483 37m57s | 362.71 82485 n.a.%
Jan 24 14:17 | 195 4.6% | 2.474 37m46s | 364.03 82485 n.a.%
Jan 24 14:17 | 196 4.7% | 2.413 36m48s | 373.24 82485 n.a.%
Jan 24 14:17 | 199 4.8% | 2.410 36m43s | 373.70 82485 n.a.%
Jan 24 14:17 | 207 4.9% | 2.412 36m42s | 373.39 82485 n.a.%
Jan 24 14:17 | 216 5.0% | 2.413 36m41s | 373.24 82485 n.a.%
Jan 24 14:17 | 220 5.1% | 2.416 36m41s | 372.77 82485 n.a.%
Jan 24 14:17 | 231 5.2% | 2.414 36m37s | 373.08 82485 n.a.%
Jan 24 14:17 | 235 5.3% | 2.416 36m36s | 372.77 82485 n.a.%
Jan 24 14:17 | 240 5.4% | 2.413 36m31s | 373.24 82485 n.a.%
Jan 24 14:17 | 244 5.5% | 2.536 38m20s | 355.13 82485 n.a.%
Jan 24 14:17 | 247 5.6% | 2.628 39m41s | 342.70 82485 n.a.%
Jan 24 14:17 | 255 5.7% | 2.480 37m24s | 363.15 82485 n.a.%
Jan 24 14:17 | 256 5.8% | 1.646 24m48s | 547.16 82485 n.a.%
ERROR: cudaGetLastError() returned 999: unknown error
2026-01-24 14:17:44 (6072): mfaktc-win-64.exe exited; CPU time 3.250000
2026-01-24 14:17:44 (6072): app exit status: 0x1
2026-01-24 14:17:44 (6072): called boinc_finish(195)
</stderr_txt>
]]>
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