Task 44549394
| Name | TF_75-76_422-747M_wu_59834_0 |
| Workunit | 40391722 |
| Created | 11 Jan 2026, 11:41:33 UTC |
| Sent | 14 Jan 2026, 5:36:19 UTC |
| Report deadline | 19 Jan 2026, 11:36:19 UTC |
| Received | 14 Jan 2026, 5:40:09 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 225596 |
| Run time | 1 min 46 sec |
| CPU time | 1 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 1,022.42 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 112.44 MB |
| Peak swap size | 273.55 MB |
| Peak disk usage | 4.95 MB |
Stderr output
<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (87) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-01-14 16:36:55 (3636): wrapper (7.24.26018): starting
2026-01-14 16:36:55 (3636): wrapper: running mfaktc-win-64.exe (-d 0)
2026-01-14 16:36:55 (3636): wrapper: created child process 392
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 13.0
CUDA device info
name NVIDIA GeForce GTX 1060 6GB
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 10
clock rate (CUDA cores) 1809 MHz
memory clock rate: 4004 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 655360
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=745024369 bit_min=75 bit_max=76 (10.27 GHz-days)
Starting trial factoring M745024369 from 2^75 to 2^76 (10.27 GHz-days)
k_min = 25354158489660
k_max = 50708316982524
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 14 16:36 | 0 0.1% | 1.537 24m34s | 601.42 82485 n.a.%
Jan 14 16:36 | 11 0.2% | 1.525 24m21s | 606.15 82485 n.a.%
Jan 14 16:37 | 12 0.3% | 1.525 24m19s | 606.15 82485 n.a.%
Jan 14 16:37 | 15 0.4% | 1.533 24m26s | 602.99 82485 n.a.%
Jan 14 16:37 | 20 0.5% | 1.537 24m28s | 601.42 82485 n.a.%
Jan 14 16:37 | 24 0.6% | 1.537 24m26s | 601.42 82485 n.a.%
Jan 14 16:37 | 32 0.7% | 1.537 24m25s | 601.42 82485 n.a.%
Jan 14 16:37 | 35 0.8% | 1.537 24m23s | 601.42 82485 n.a.%
Jan 14 16:37 | 36 0.9% | 1.537 24m22s | 601.42 82485 n.a.%
Jan 14 16:37 | 39 1.0% | 1.544 24m27s | 598.69 82485 n.a.%
Jan 14 16:37 | 47 1.1% | 1.548 24m29s | 597.15 82485 n.a.%
Jan 14 16:37 | 56 1.2% | 1.548 24m28s | 597.15 82485 n.a.%
Jan 14 16:37 | 59 1.4% | 1.548 24m26s | 597.15 82485 n.a.%
Jan 14 16:37 | 75 1.5% | 1.547 24m23s | 597.53 82485 n.a.%
Jan 14 16:37 | 80 1.6% | 1.547 24m22s | 597.53 82485 n.a.%
Jan 14 16:37 | 84 1.7% | 1.548 24m21s | 597.15 82485 n.a.%
Jan 14 16:37 | 87 1.8% | 1.549 24m21s | 596.76 82485 n.a.%
Jan 14 16:37 | 92 1.9% | 1.549 24m19s | 596.76 82485 n.a.%
Jan 14 16:37 | 95 2.0% | 1.553 24m21s | 595.22 82485 n.a.%
Jan 14 16:37 | 96 2.1% | 1.552 24m19s | 595.61 82485 n.a.%
Jan 14 16:37 | 99 2.2% | 1.553 24m18s | 595.22 82485 n.a.%
Jan 14 16:37 | 111 2.3% | 1.553 24m17s | 595.22 82485 n.a.%
Jan 14 16:37 | 116 2.4% | 1.554 24m16s | 594.84 82485 n.a.%
Jan 14 16:37 | 119 2.5% | 1.554 24m15s | 594.84 82485 n.a.%
Jan 14 16:37 | 120 2.6% | 1.556 24m15s | 594.08 82485 n.a.%
Jan 14 16:37 | 131 2.7% | 1.555 24m12s | 594.46 82485 n.a.%
Jan 14 16:37 | 132 2.8% | 1.554 24m10s | 594.84 82485 n.a.%
Jan 14 16:37 | 140 2.9% | 1.559 24m13s | 592.93 82485 n.a.%
Jan 14 16:37 | 144 3.0% | 1.564 24m16s | 591.04 82485 n.a.%
Jan 14 16:37 | 147 3.1% | 1.566 24m16s | 590.28 82485 n.a.%
Jan 14 16:37 | 152 3.2% | 1.565 24m14s | 590.66 82485 n.a.%
Jan 14 16:37 | 155 3.3% | 1.566 24m13s | 590.28 82485 n.a.%
Jan 14 16:37 | 164 3.4% | 1.569 24m14s | 589.15 82485 n.a.%
Jan 14 16:37 | 167 3.5% | 1.572 24m16s | 588.03 82485 n.a.%
Jan 14 16:37 | 171 3.6% | 1.577 24m19s | 586.17 82485 n.a.%
Jan 14 16:37 | 176 3.8% | 1.599 24m37s | 578.10 82485 n.a.%
Jan 14 16:37 | 179 3.9% | 1.580 24m18s | 585.05 82485 n.a.%
Jan 14 16:37 | 180 4.0% | 1.576 24m13s | 586.54 82485 n.a.%
Jan 14 16:37 | 195 4.1% | 1.597 24m31s | 578.82 82485 n.a.%
Jan 14 16:37 | 200 4.2% | 1.588 24m21s | 582.11 82485 n.a.%
Jan 14 16:38 | 204 4.3% | 1.584 24m16s | 583.57 82485 n.a.%
Jan 14 16:38 | 207 4.4% | 1.586 24m16s | 582.84 82485 n.a.%
Jan 14 16:38 | 215 4.5% | 1.589 24m17s | 581.74 82485 n.a.%
Jan 14 16:38 | 216 4.6% | 1.592 24m18s | 580.64 82485 n.a.%
Jan 14 16:38 | 224 4.7% | 1.598 24m22s | 578.46 82485 n.a.%
Jan 14 16:38 | 227 4.8% | 1.601 24m23s | 577.38 82485 n.a.%
Jan 14 16:38 | 231 4.9% | 1.601 24m22s | 577.38 82485 n.a.%
Jan 14 16:38 | 239 5.0% | 1.604 24m23s | 576.30 82485 n.a.%
Jan 14 16:38 | 251 5.1% | 1.615 24m31s | 572.37 82485 n.a.%
Jan 14 16:38 | 252 5.2% | 1.623 24m37s | 569.55 82485 n.a.%
Jan 14 16:38 | 255 5.3% | 1.627 24m39s | 568.15 82485 n.a.%
Jan 14 16:38 | 260 5.4% | 1.623 24m34s | 569.55 82485 n.a.%
Jan 14 16:38 | 264 5.5% | 1.627 24m36s | 568.15 82485 n.a.%
Jan 14 16:38 | 267 5.6% | 1.633 24m39s | 566.06 82485 n.a.%
Jan 14 16:38 | 272 5.7% | 1.637 24m41s | 564.68 82485 n.a.%
Jan 14 16:38 | 276 5.8% | 1.637 24m40s | 564.68 82485 n.a.%
Jan 14 16:38 | 279 5.9% | 1.634 24m36s | 565.72 82485 n.a.%
Jan 14 16:38 | 284 6.0% | 1.636 24m36s | 565.03 82485 n.a.%
Jan 14 16:38 | 287 6.1% | 1.636 24m34s | 565.03 82485 n.a.%
Jan 14 16:38 | 299 6.2% | 1.635 24m32s | 565.37 82485 n.a.%
Jan 14 16:38 | 300 6.4% | 1.638 24m33s | 564.34 82485 n.a.%
Jan 14 16:38 | 311 6.5% | 1.638 24m31s | 564.34 82485 n.a.%
Jan 14 16:38 | 312 6.6% | 1.660 24m49s | 556.86 82485 n.a.%
Jan 14 16:38 | 315 6.7% | 1.665 24m52s | 555.18 82485 n.a.%
Jan 14 16:38 | 320 6.8% | 1.637 24m25s | 564.68 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-01-14 16:38:40 (3636): mfaktc-win-64.exe exited; CPU time 1.515625
2026-01-14 16:38:40 (3636): app exit status: 0x1
2026-01-14 16:38:40 (3636): called boinc_finish(195)
</stderr_txt>
]]>
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