Task 55724965
| Name | TF_76-77_163-178M_wu_27190_0 |
| Workunit | 50200676 |
| Created | 24 May 2026, 17:41:48 UTC |
| Sent | 31 May 2026, 2:36:24 UTC |
| Report deadline | 6 Jun 2026, 2:36:24 UTC |
| Received | 1 Jun 2026, 17:10:54 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 248535 |
| Run time | 8 min 11 sec |
| CPU time | 18 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.82 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 146.31 MB |
| Peak swap size | 464.75 MB |
| Peak disk usage | 4.96 MB |
Stderr output
<core_client_version>8.2.11</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-06-01 20:01:16 (20760): wrapper (7.24.26018): starting
2026-06-01 20:01:16 (20760): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-01 20:01:16 (20760): wrapper: created child process 41524
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 13.2
CUDA device info
name NVIDIA GeForce RTX 4080 SUPER
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 80
clock rate (CUDA cores) 2610 MHz
memory clock rate: 11501 MHz
memory bus width: 256 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=177469693 bit_min=76 bit_max=77 (86.24 GHz-days)
Starting trial factoring M177469693 from 2^76 to 2^77 (86.24 GHz-days)
k_min = 212875399870980
k_max = 425750799748745
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 01 20:01 | 0 0.1% | 4.623 1h13m | 1678.82 82485 n.a.%
Jun 01 20:01 | 3 0.2% | 4.472 1h11m | 1735.51 82485 n.a.%
Jun 01 20:01 | 8 0.3% | 4.503 1h11m | 1723.56 82485 n.a.%
Jun 01 20:01 | 11 0.4% | 4.449 1h10m | 1744.48 82485 n.a.%
Jun 01 20:01 | 15 0.5% | 4.447 1h10m | 1745.26 82485 n.a.%
Jun 01 20:01 | 20 0.6% | 4.532 1h12m | 1712.53 82485 n.a.%
Jun 01 20:01 | 27 0.7% | 4.438 1h10m | 1748.80 82485 n.a.%
Jun 01 20:01 | 32 0.8% | 4.511 1h11m | 1720.50 82485 n.a.%
Jun 01 20:01 | 35 0.9% | 4.488 1h11m | 1729.32 82485 n.a.%
Jun 01 20:02 | 36 1.0% | 4.478 1h10m | 1733.18 82485 n.a.%
Jun 01 20:02 | 48 1.1% | 4.518 1h11m | 1717.84 82485 n.a.%
Jun 01 20:02 | 51 1.2% | 4.490 1h10m | 1728.55 82485 n.a.%
Jun 01 20:02 | 60 1.4% | 4.489 1h10m | 1728.93 82485 n.a.%
Jun 01 20:02 | 63 1.5% | 4.467 1h10m | 1737.45 82485 n.a.%
Jun 01 20:02 | 71 1.6% | 4.481 1h10m | 1732.02 82485 n.a.%
Jun 01 20:02 | 72 1.7% | 4.417 1h09m | 1757.12 82485 n.a.%
Jun 01 20:02 | 80 1.8% | 4.517 1h11m | 1718.22 82485 n.a.%
Jun 01 20:02 | 83 1.9% | 4.468 1h10m | 1737.06 82485 n.a.%
Jun 01 20:02 | 87 2.0% | 4.592 1h12m | 1690.15 82485 n.a.%
Jun 01 20:02 | 92 2.1% | 4.466 1h09m | 1737.84 82485 n.a.%
Jun 01 20:02 | 95 2.2% | 4.493 1h10m | 1727.40 82485 n.a.%
Jun 01 20:02 | 107 2.3% | 4.489 1h10m | 1728.93 82485 n.a.%
Jun 01 20:03 | 108 2.4% | 4.472 1h09m | 1735.51 82485 n.a.%
Jun 01 20:03 | 116 2.5% | 4.485 1h09m | 1730.48 82485 n.a.%
Jun 01 20:03 | 120 2.6% | 4.527 1h10m | 1714.42 82485 n.a.%
Jun 01 20:03 | 123 2.7% | 4.527 1h10m | 1714.42 82485 n.a.%
Jun 01 20:03 | 128 2.8% | 4.504 1h10m | 1723.18 82485 n.a.%
Jun 01 20:03 | 132 2.9% | 4.535 1h10m | 1711.40 82485 n.a.%
Jun 01 20:03 | 135 3.0% | 4.515 1h10m | 1718.98 82485 n.a.%
Jun 01 20:03 | 140 3.1% | 4.544 1h10m | 1708.01 82485 n.a.%
Jun 01 20:03 | 143 3.2% | 4.534 1h10m | 1711.77 82485 n.a.%
Jun 01 20:03 | 147 3.3% | 4.489 1h09m | 1728.93 82485 n.a.%
Jun 01 20:03 | 156 3.4% | 4.576 1h10m | 1696.06 82485 n.a.%
Jun 01 20:03 | 167 3.5% | 4.522 1h09m | 1716.32 82485 n.a.%
Jun 01 20:03 | 168 3.6% | 4.491 1h09m | 1728.16 82485 n.a.%
Jun 01 20:04 | 171 3.8% | 4.442 1h08m | 1747.23 82485 n.a.%
Jun 01 20:04 | 176 3.9% | 3.017 46m25s | 2572.48 82485 n.a.%
Jun 01 20:04 | 183 4.0% | 4.394 1h07m | 1766.31 82485 n.a.%
Jun 01 20:04 | 191 4.1% | 4.557 1h09m | 1703.14 82485 n.a.%
Jun 01 20:04 | 192 4.2% | 4.604 1h10m | 1685.75 82485 n.a.%
Jun 01 20:04 | 195 4.3% | 4.547 1h09m | 1706.88 82485 n.a.%
Jun 01 20:04 | 200 4.4% | 4.549 1h09m | 1706.13 82485 n.a.%
Jun 01 20:04 | 203 4.5% | 4.496 1h08m | 1726.24 82485 n.a.%
Jun 01 20:04 | 207 4.6% | 4.457 1h08m | 1741.35 82485 n.a.%
Jun 01 20:04 | 212 4.7% | 4.406 1h07m | 1761.50 82485 n.a.%
Jun 01 20:04 | 216 4.8% | 4.476 1h08m | 1733.96 82485 n.a.%
Jun 01 20:04 | 227 4.9% | 4.478 1h08m | 1733.18 82485 n.a.%
Jun 01 20:04 | 228 5.0% | 4.449 1h07m | 1744.48 82485 n.a.%
Jun 01 20:04 | 231 5.1% | 4.531 1h08m | 1712.91 82485 n.a.%
Jun 01 20:05 | 240 5.2% | 4.630 1h10m | 1676.28 82485 n.a.%
Jun 01 20:05 | 248 5.3% | 4.581 1h09m | 1694.21 82485 n.a.%
Jun 01 20:05 | 251 5.4% | 4.519 1h08m | 1717.46 82485 n.a.%
Jun 01 20:05 | 252 5.5% | 4.526 1h08m | 1714.80 82485 n.a.%
Jun 01 20:05 | 255 5.6% | 4.496 1h07m | 1726.24 82485 n.a.%
Jun 01 20:05 | 260 5.7% | 4.565 1h08m | 1700.15 82485 n.a.%
Jun 01 20:05 | 263 5.8% | 4.544 1h08m | 1708.01 82485 n.a.%
Jun 01 20:05 | 267 5.9% | 4.477 1h07m | 1733.57 82485 n.a.%
Jun 01 20:05 | 272 6.0% | 4.499 1h07m | 1725.09 82485 n.a.%
Jun 01 20:05 | 275 6.1% | 4.559 1h08m | 1702.39 82485 n.a.%
Jun 01 20:05 | 288 6.2% | 4.486 1h07m | 1730.09 82485 n.a.%
Jun 01 20:05 | 291 6.4% | 4.473 1h07m | 1735.12 82485 n.a.%
Jun 01 20:05 | 296 6.5% | 4.491 1h07m | 1728.16 82485 n.a.%
Jun 01 20:06 | 300 6.6% | 4.550 1h08m | 1705.76 82485 n.a.%
Jun 01 20:06 | 303 6.7% | 4.585 1h08m | 1692.73 82485 n.a.%
Jun 01 20:06 | 308 6.8% | 4.582 1h08m | 1693.84 82485 n.a.%
Jun 01 20:06 | 311 6.9% | 4.587 1h08m | 1692.00 82485 n.a.%
Jun 01 20:06 | 312 7.0% | 4.581 1h08m | 1694.21 82485 n.a.%
Jun 01 20:06 | 315 7.1% | 4.609 1h08m | 1683.92 82485 n.a.%
Jun 01 20:06 | 323 7.2% | 4.470 1h06m | 1736.28 82485 n.a.%
Jun 01 20:06 | 332 7.3% | 4.528 1h07m | 1714.04 82485 n.a.%
Jun 01 20:06 | 335 7.4% | 4.501 1h06m | 1724.32 82485 n.a.%
Jun 01 20:06 | 336 7.5% | 4.537 1h07m | 1710.64 82485 n.a.%
Jun 01 20:06 | 347 7.6% | 4.544 1h07m | 1708.01 82485 n.a.%
Jun 01 20:06 | 351 7.7% | 3.108 45m54s | 2497.16 82485 n.a.%
Jun 01 20:06 | 356 7.8% | 4.087 1h00m | 1898.99 82485 n.a.%
Jun 01 20:06 | 360 7.9% | 4.553 1h07m | 1704.63 82485 n.a.%
Jun 01 20:07 | 363 8.0% | 4.457 1h05m | 1741.35 82485 n.a.%
Jun 01 20:07 | 368 8.1% | 4.470 1h05m | 1736.28 82485 n.a.%
Jun 01 20:07 | 371 8.2% | 4.491 1h05m | 1728.16 82485 n.a.%
Jun 01 20:07 | 372 8.3% | 4.522 1h06m | 1716.32 82485 n.a.%
Jun 01 20:07 | 380 8.4% | 4.537 1h06m | 1710.64 82485 n.a.%
Jun 01 20:07 | 387 8.5% | 4.566 1h06m | 1699.78 82485 n.a.%
Jun 01 20:07 | 392 8.6% | 4.442 1h04m | 1747.23 82485 n.a.%
Jun 01 20:07 | 395 8.8% | 4.467 1h05m | 1737.45 82485 n.a.%
Jun 01 20:07 | 396 8.9% | 4.568 1h06m | 1699.03 82485 n.a.%
Jun 01 20:07 | 407 9.0% | 4.470 1h05m | 1736.28 82485 n.a.%
Jun 01 20:07 | 416 9.1% | 4.499 1h05m | 1725.09 82485 n.a.%
Jun 01 20:07 | 420 9.2% | 4.508 1h05m | 1721.65 82485 n.a.%
Jun 01 20:07 | 423 9.3% | 4.429 1h04m | 1752.36 82485 n.a.%
Jun 01 20:08 | 428 9.4% | 4.493 1h05m | 1727.40 82485 n.a.%
Jun 01 20:08 | 431 9.5% | 4.522 1h05m | 1716.32 82485 n.a.%
Jun 01 20:08 | 435 9.6% | 4.554 1h05m | 1704.26 82485 n.a.%
Jun 01 20:08 | 440 9.7% | 4.510 1h05m | 1720.88 82485 n.a.%
Jun 01 20:08 | 443 9.8% | 4.519 1h05m | 1717.46 82485 n.a.%
Jun 01 20:08 | 447 9.9% | 4.508 1h04m | 1721.65 82485 n.a.%
Jun 01 20:08 | 455 10.0% | 4.474 1h04m | 1734.73 82485 n.a.%
Jun 01 20:08 | 456 10.1% | 4.519 1h05m | 1717.46 82485 n.a.%
Jun 01 20:08 | 468 10.2% | 4.524 1h05m | 1715.56 82485 n.a.%
Jun 01 20:08 | 471 10.3% | 4.464 1h04m | 1738.62 82485 n.a.%
Jun 01 20:08 | 476 10.4% | 4.550 1h05m | 1705.76 82485 n.a.%
Jun 01 20:08 | 480 10.5% | 4.546 1h05m | 1707.26 82485 n.a.%
Jun 01 20:08 | 483 10.6% | 4.418 1h03m | 1756.72 82485 n.a.%
Jun 01 20:09 | 491 10.7% | 4.526 1h04m | 1714.80 82485 n.a.%
Jun 01 20:09 | 492 10.8% | 4.564 1h05m | 1700.52 82485 n.a.%
Jun 01 20:09 | 500 10.9% | 4.519 1h04m | 1717.46 82485 n.a.%
Jun 01 20:09 | 503 11.0% | 4.500 1h04m | 1724.71 82485 n.a.%
Jun 01 20:09 | 512 11.1% | 4.486 1h03m | 1730.09 82485 n.a.%
Jun 01 20:09 | 515 11.2% | 4.497 1h03m | 1725.86 82485 n.a.%
x mod p out of range!! x = 324297, p = 61071, pinv = 70476, r = 263226
Jun 01 20:09 | 527 11.4% | 0.596 8m27s | 13022.13 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-06-01 20:09:25 (20760): mfaktc-win-64.exe exited; CPU time 18.062500
2026-06-01 20:09:25 (20760): app exit status: 0x1
2026-06-01 20:09:25 (20760): called boinc_finish(195)
</stderr_txt>
]]>
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