Task 55779147
| Name | TF_76-77_163-178M_wu_27556_1 |
| Workunit | 50201042 |
| Created | 31 May 2026, 3:53:53 UTC |
| Sent | 31 May 2026, 4:05:34 UTC |
| Report deadline | 6 Jun 2026, 4:05:34 UTC |
| Received | 1 Jun 2026, 19:22:02 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 248535 |
| Run time | 7 min 2 sec |
| CPU time | 13 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.82 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 146.19 MB |
| Peak swap size | 568.73 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 22:09:49 (29256): wrapper (7.24.26018): starting
2026-06-01 22:09:49 (29256): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-01 22:09:49 (29256): wrapper: created child process 41020
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=177486343 bit_min=76 bit_max=77 (86.23 GHz-days)
Starting trial factoring M177486343 from 2^76 to 2^77 (86.23 GHz-days)
k_min = 212855430022620
k_max = 425710860051436
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 01 22:09 | 0 0.1% | 3.951 1h03m | 1964.18 82485 n.a.%
Jun 01 22:10 | 8 0.2% | 4.051 1h04m | 1915.69 82485 n.a.%
Jun 01 22:10 | 12 0.3% | 4.052 1h04m | 1915.22 82485 n.a.%
Jun 01 22:10 | 17 0.4% | 4.114 1h05m | 1886.35 82485 n.a.%
Jun 01 22:10 | 20 0.5% | 4.062 1h04m | 1910.50 82485 n.a.%
Jun 01 22:10 | 21 0.6% | 4.048 1h04m | 1917.11 82485 n.a.%
Jun 01 22:10 | 33 0.7% | 4.125 1h05m | 1881.32 82485 n.a.%
Jun 01 22:10 | 36 0.8% | 4.132 1h05m | 1878.14 82485 n.a.%
Jun 01 22:10 | 41 0.9% | 4.174 1h06m | 1859.24 82485 n.a.%
Jun 01 22:10 | 45 1.0% | 4.107 1h05m | 1889.57 82485 n.a.%
Jun 01 22:10 | 48 1.1% | 4.126 1h05m | 1880.87 82485 n.a.%
Jun 01 22:10 | 56 1.2% | 4.165 1h05m | 1863.26 82485 n.a.%
Jun 01 22:10 | 57 1.4% | 4.008 1h03m | 1936.24 82485 n.a.%
Jun 01 22:10 | 65 1.5% | 3.999 1h03m | 1940.60 82485 n.a.%
Jun 01 22:10 | 68 1.6% | 4.067 1h04m | 1908.15 82485 n.a.%
Jun 01 22:10 | 72 1.7% | 3.978 1h02m | 1950.84 82485 n.a.%
Jun 01 22:11 | 77 1.8% | 4.106 1h04m | 1890.03 82485 n.a.%
Jun 01 22:11 | 80 1.9% | 3.993 1h02m | 1943.52 82485 n.a.%
Jun 01 22:11 | 92 2.0% | 4.145 1h05m | 1872.25 82485 n.a.%
Jun 01 22:11 | 96 2.1% | 4.058 1h03m | 1912.39 82485 n.a.%
Jun 01 22:11 | 101 2.2% | 4.142 1h04m | 1873.60 82485 n.a.%
Jun 01 22:11 | 105 2.3% | 4.026 1h02m | 1927.59 82485 n.a.%
Jun 01 22:11 | 108 2.4% | 4.132 1h04m | 1878.14 82485 n.a.%
Jun 01 22:11 | 113 2.5% | 4.082 1h03m | 1901.14 82485 n.a.%
Jun 01 22:11 | 117 2.6% | 4.051 1h03m | 1915.69 82485 n.a.%
Jun 01 22:11 | 120 2.7% | 4.060 1h03m | 1911.44 82485 n.a.%
Jun 01 22:11 | 125 2.8% | 4.004 1h02m | 1938.18 82485 n.a.%
Jun 01 22:11 | 128 2.9% | 4.148 1h04m | 1870.89 82485 n.a.%
Jun 01 22:11 | 132 3.0% | 4.058 1h02m | 1912.39 82485 n.a.%
Jun 01 22:11 | 140 3.1% | 4.046 1h02m | 1918.06 82485 n.a.%
Jun 01 22:11 | 141 3.2% | 4.041 1h02m | 1920.43 82485 n.a.%
Jun 01 22:12 | 152 3.3% | 4.096 1h03m | 1894.64 82485 n.a.%
Jun 01 22:12 | 153 3.4% | 4.030 1h02m | 1925.67 82485 n.a.%
Jun 01 22:12 | 156 3.5% | 4.154 1h04m | 1868.19 82485 n.a.%
Jun 01 22:12 | 161 3.6% | 4.078 1h02m | 1903.01 82485 n.a.%
Jun 01 22:12 | 168 3.8% | 4.089 1h02m | 1897.89 82485 n.a.%
Jun 01 22:12 | 173 3.9% | 4.025 1h01m | 1928.06 82485 n.a.%
Jun 01 22:12 | 176 4.0% | 4.115 1h03m | 1885.90 82485 n.a.%
Jun 01 22:12 | 177 4.1% | 4.024 1h01m | 1928.54 82485 n.a.%
Jun 01 22:12 | 180 4.2% | 4.105 1h02m | 1890.49 82485 n.a.%
Jun 01 22:12 | 185 4.3% | 4.013 1h01m | 1933.83 82485 n.a.%
Jun 01 22:12 | 188 4.4% | 4.154 1h03m | 1868.19 82485 n.a.%
Jun 01 22:12 | 197 4.5% | 4.049 1h01m | 1916.64 82485 n.a.%
Jun 01 22:12 | 201 4.6% | 4.071 1h02m | 1906.28 82485 n.a.%
Jun 01 22:12 | 212 4.7% | 4.163 1h03m | 1864.15 82485 n.a.%
Jun 01 22:12 | 213 4.8% | 4.118 1h02m | 1884.52 82485 n.a.%
Jun 01 22:13 | 216 4.9% | 4.066 1h01m | 1908.62 82485 n.a.%
Jun 01 22:13 | 233 5.0% | 4.007 1h00m | 1936.73 82485 n.a.%
Jun 01 22:13 | 237 5.1% | 4.016 1h00m | 1932.39 82485 n.a.%
Jun 01 22:13 | 240 5.2% | 4.119 1h02m | 1884.06 82485 n.a.%
Jun 01 22:13 | 245 5.3% | 4.099 1h02m | 1893.26 82485 n.a.%
Jun 01 22:13 | 248 5.4% | 4.105 1h02m | 1890.49 82485 n.a.%
Jun 01 22:13 | 252 5.5% | 4.072 1h01m | 1905.81 82485 n.a.%
Jun 01 22:13 | 257 5.6% | 4.064 1h01m | 1909.56 82485 n.a.%
Jun 01 22:13 | 260 5.7% | 4.057 1h01m | 1912.86 82485 n.a.%
Jun 01 22:13 | 261 5.8% | 4.064 1h01m | 1909.56 82485 n.a.%
Jun 01 22:13 | 272 5.9% | 4.131 1h02m | 1878.59 82485 n.a.%
Jun 01 22:13 | 273 6.0% | 4.075 1h01m | 1904.41 82485 n.a.%
Jun 01 22:13 | 276 6.1% | 4.036 1h00m | 1922.81 82485 n.a.%
Jun 01 22:13 | 281 6.2% | 4.111 1h01m | 1887.73 82485 n.a.%
Jun 01 22:14 | 285 6.4% | 3.986 59m43s | 1946.93 82485 n.a.%
Jun 01 22:14 | 288 6.5% | 4.028 1h00m | 1926.63 82485 n.a.%
Jun 01 22:14 | 293 6.6% | 4.040 1h00m | 1920.91 82485 n.a.%
Jun 01 22:14 | 296 6.7% | 4.072 1h00m | 1905.81 82485 n.a.%
Jun 01 22:14 | 297 6.8% | 4.021 59m59s | 1929.98 82485 n.a.%
Jun 01 22:14 | 300 6.9% | 4.036 1h00m | 1922.81 82485 n.a.%
Jun 01 22:14 | 308 7.0% | 3.977 59m11s | 1951.33 82485 n.a.%
Jun 01 22:14 | 317 7.1% | 4.001 59m29s | 1939.63 82485 n.a.%
Jun 01 22:14 | 320 7.2% | 4.122 1h01m | 1882.69 82485 n.a.%
Jun 01 22:14 | 321 7.3% | 4.081 1h00m | 1901.61 82485 n.a.%
Jun 01 22:14 | 332 7.4% | 3.988 59m05s | 1945.95 82485 n.a.%
Jun 01 22:14 | 336 7.5% | 4.100 1h00m | 1892.79 82485 n.a.%
Jun 01 22:14 | 341 7.6% | 4.217 1h02m | 1840.28 82485 n.a.%
Jun 01 22:14 | 345 7.7% | 4.032 59m32s | 1924.72 82485 n.a.%
Jun 01 22:14 | 348 7.8% | 3.955 58m20s | 1962.19 82485 n.a.%
Jun 01 22:15 | 353 7.9% | 4.162 1h01m | 1864.60 82485 n.a.%
Jun 01 22:15 | 356 8.0% | 4.036 59m24s | 1922.81 82485 n.a.%
Jun 01 22:15 | 360 8.1% | 4.077 59m56s | 1903.47 82485 n.a.%
Jun 01 22:15 | 365 8.2% | 4.052 59m30s | 1915.22 82485 n.a.%
Jun 01 22:15 | 372 8.3% | 4.100 1h00m | 1892.79 82485 n.a.%
Jun 01 22:15 | 377 8.4% | 4.005 58m40s | 1937.69 82485 n.a.%
Jun 01 22:15 | 380 8.5% | 4.115 1h00m | 1885.90 82485 n.a.%
Jun 01 22:15 | 381 8.6% | 4.024 58m49s | 1928.54 82485 n.a.%
Jun 01 22:15 | 392 8.8% | 4.065 59m21s | 1909.09 82485 n.a.%
Jun 01 22:15 | 393 8.9% | 4.182 1h00m | 1855.68 82485 n.a.%
Jun 01 22:15 | 405 9.0% | 4.149 1h00m | 1870.44 82485 n.a.%
Jun 01 22:15 | 408 9.1% | 4.072 59m15s | 1905.81 82485 n.a.%
Jun 01 22:15 | 413 9.2% | 4.072 59m11s | 1905.81 82485 n.a.%
Jun 01 22:15 | 416 9.3% | 4.083 59m16s | 1900.68 82485 n.a.%
Jun 01 22:15 | 420 9.4% | 4.255 1h01m | 1823.84 82485 n.a.%
Jun 01 22:16 | 425 9.5% | 4.094 59m18s | 1895.57 82485 n.a.%
Jun 01 22:16 | 428 9.6% | 4.112 59m29s | 1887.27 82485 n.a.%
Jun 01 22:16 | 432 9.7% | 4.013 57m59s | 1933.83 82485 n.a.%
Jun 01 22:16 | 437 9.8% | 4.028 58m08s | 1926.63 82485 n.a.%
Jun 01 22:16 | 440 9.9% | 4.126 59m29s | 1880.87 82485 n.a.%
Jun 01 22:16 | 441 10.0% | 4.118 59m18s | 1884.52 82485 n.a.%
Jun 01 22:16 | 453 10.1% | 4.073 58m35s | 1905.34 82485 n.a.%
Jun 01 22:16 | 461 10.2% | 4.080 58m37s | 1902.07 82485 n.a.%
Jun 01 22:16 | 465 10.3% | 4.056 58m12s | 1913.33 82485 n.a.%
Jun 01 22:16 | 468 10.4% | 4.081 58m30s | 1901.61 82485 n.a.%
Jun 01 22:16 | 476 10.5% | 4.130 59m08s | 1879.05 82485 n.a.%
Jun 01 22:16 | 477 10.6% | 4.093 58m32s | 1896.03 82485 n.a.%
x mod p out of range!! x = 602677, p = 61071, pinv = 70476, r = 541606
Jun 01 22:16 | 485 10.7% | 1.462 20m53s | 5308.11 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-06-01 22:16:50 (29256): mfaktc-win-64.exe exited; CPU time 13.062500
2026-06-01 22:16:50 (29256): app exit status: 0x1
2026-06-01 22:16:50 (29256): called boinc_finish(195)
</stderr_txt>
]]>
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