Task 55783217
| Name | TF_76-77_163-178M_wu_31831_1 |
| Workunit | 50205317 |
| Created | 1 Jun 2026, 0:49:01 UTC |
| Sent | 1 Jun 2026, 0:54:39 UTC |
| Report deadline | 7 Jun 2026, 0:54:39 UTC |
| Received | 5 Jun 2026, 21:57:52 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 248535 |
| Run time | 4 min 49 sec |
| CPU time | 6 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.82 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 146.12 MB |
| Peak swap size | 466.48 MB |
| Peak disk usage | 4.95 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>
2026-06-06 00:27:35 (35388): wrapper (7.24.26018): starting
2026-06-06 00:27:36 (35388): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-06 00:27:36 (35388): wrapper: created child process 37040
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=177705149 bit_min=76 bit_max=77 (86.12 GHz-days)
Starting trial factoring M177705149 from 2^76 to 2^77 (86.12 GHz-days)
k_min = 212593343946060
k_max = 425186687899033
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 06 00:27 | 0 0.1% | 4.138 1h06m | 1873.10 82485 n.a.%
Jun 06 00:27 | 7 0.2% | 4.130 1h05m | 1876.73 82485 n.a.%
Jun 06 00:27 | 12 0.3% | 4.123 1h05m | 1879.92 82485 n.a.%
Jun 06 00:27 | 15 0.4% | 4.133 1h05m | 1875.37 82485 n.a.%
Jun 06 00:27 | 16 0.5% | 4.138 1h05m | 1873.10 82485 n.a.%
Jun 06 00:28 | 19 0.6% | 4.128 1h05m | 1877.64 82485 n.a.%
Jun 06 00:28 | 24 0.7% | 4.125 1h05m | 1879.01 82485 n.a.%
Jun 06 00:28 | 27 0.8% | 4.106 1h05m | 1887.70 82485 n.a.%
Jun 06 00:28 | 31 0.9% | 4.123 1h05m | 1879.92 82485 n.a.%
Jun 06 00:28 | 36 1.0% | 4.145 1h05m | 1869.94 82485 n.a.%
Jun 06 00:28 | 40 1.1% | 4.136 1h05m | 1874.01 82485 n.a.%
Jun 06 00:28 | 51 1.2% | 4.128 1h05m | 1877.64 82485 n.a.%
Jun 06 00:28 | 52 1.4% | 4.131 1h05m | 1876.28 82485 n.a.%
Jun 06 00:28 | 55 1.5% | 4.139 1h05m | 1872.65 82485 n.a.%
Jun 06 00:28 | 64 1.6% | 4.128 1h05m | 1877.64 82485 n.a.%
Jun 06 00:28 | 72 1.7% | 4.127 1h04m | 1878.10 82485 n.a.%
Jun 06 00:28 | 75 1.8% | 4.135 1h04m | 1874.46 82485 n.a.%
Jun 06 00:28 | 79 1.9% | 4.121 1h04m | 1880.83 82485 n.a.%
Jun 06 00:28 | 84 2.0% | 4.144 1h05m | 1870.39 82485 n.a.%
Jun 06 00:29 | 91 2.1% | 4.132 1h04m | 1875.82 82485 n.a.%
Jun 06 00:29 | 96 2.2% | 4.125 1h04m | 1879.01 82485 n.a.%
Jun 06 00:29 | 99 2.3% | 4.128 1h04m | 1877.64 82485 n.a.%
Jun 06 00:29 | 100 2.4% | 4.120 1h04m | 1881.29 82485 n.a.%
Jun 06 00:29 | 111 2.5% | 4.131 1h04m | 1876.28 82485 n.a.%
Jun 06 00:29 | 112 2.6% | 4.129 1h04m | 1877.19 82485 n.a.%
Jun 06 00:29 | 115 2.7% | 4.130 1h04m | 1876.73 82485 n.a.%
Jun 06 00:29 | 124 2.8% | 4.133 1h04m | 1875.37 82485 n.a.%
Jun 06 00:29 | 127 2.9% | 4.127 1h04m | 1878.10 82485 n.a.%
Jun 06 00:29 | 132 3.0% | 4.132 1h04m | 1875.82 82485 n.a.%
Jun 06 00:29 | 135 3.1% | 4.129 1h04m | 1877.19 82485 n.a.%
Jun 06 00:29 | 136 3.2% | 4.134 1h04m | 1874.92 82485 n.a.%
Jun 06 00:29 | 139 3.3% | 4.132 1h03m | 1875.82 82485 n.a.%
Jun 06 00:29 | 147 3.4% | 4.129 1h03m | 1877.19 82485 n.a.%
Jun 06 00:29 | 156 3.5% | 4.122 1h03m | 1880.37 82485 n.a.%
Jun 06 00:30 | 159 3.6% | 4.123 1h03m | 1879.92 82485 n.a.%
Jun 06 00:30 | 160 3.8% | 4.139 1h03m | 1872.65 82485 n.a.%
Jun 06 00:30 | 171 3.9% | 4.131 1h03m | 1876.28 82485 n.a.%
Jun 06 00:30 | 180 4.0% | 4.130 1h03m | 1876.73 82485 n.a.%
Jun 06 00:30 | 184 4.1% | 4.134 1h03m | 1874.92 82485 n.a.%
Jun 06 00:30 | 187 4.2% | 4.136 1h03m | 1874.01 82485 n.a.%
Jun 06 00:30 | 192 4.3% | 4.126 1h03m | 1878.55 82485 n.a.%
Jun 06 00:30 | 195 4.4% | 4.122 1h03m | 1880.37 82485 n.a.%
Jun 06 00:30 | 196 4.5% | 4.127 1h03m | 1878.10 82485 n.a.%
Jun 06 00:30 | 199 4.6% | 4.135 1h03m | 1874.46 82485 n.a.%
Jun 06 00:30 | 204 4.7% | 4.133 1h03m | 1875.37 82485 n.a.%
Jun 06 00:30 | 211 4.8% | 4.125 1h02m | 1879.01 82485 n.a.%
Jun 06 00:30 | 216 4.9% | 4.125 1h02m | 1879.01 82485 n.a.%
Jun 06 00:30 | 220 5.0% | 4.130 1h02m | 1876.73 82485 n.a.%
Jun 06 00:31 | 231 5.1% | 4.134 1h02m | 1874.92 82485 n.a.%
Jun 06 00:31 | 232 5.2% | 4.132 1h02m | 1875.82 82485 n.a.%
Jun 06 00:31 | 240 5.3% | 4.129 1h02m | 1877.19 82485 n.a.%
Jun 06 00:31 | 244 5.4% | 4.130 1h02m | 1876.73 82485 n.a.%
Jun 06 00:31 | 247 5.5% | 4.120 1h02m | 1881.29 82485 n.a.%
Jun 06 00:31 | 255 5.6% | 4.129 1h02m | 1877.19 82485 n.a.%
Jun 06 00:31 | 259 5.7% | 4.123 1h02m | 1879.92 82485 n.a.%
Jun 06 00:31 | 264 5.8% | 4.128 1h02m | 1877.64 82485 n.a.%
Jun 06 00:31 | 267 5.9% | 4.127 1h02m | 1878.10 82485 n.a.%
Jun 06 00:31 | 271 6.0% | 4.141 1h02m | 1871.75 82485 n.a.%
Jun 06 00:31 | 276 6.1% | 4.132 1h02m | 1875.82 82485 n.a.%
Jun 06 00:31 | 279 6.2% | 4.139 1h02m | 1872.65 82485 n.a.%
Jun 06 00:31 | 280 6.4% | 4.138 1h02m | 1873.10 82485 n.a.%
Jun 06 00:31 | 292 6.5% | 4.135 1h01m | 1874.46 82485 n.a.%
Jun 06 00:31 | 295 6.6% | 4.124 1h01m | 1879.46 82485 n.a.%
Jun 06 00:32 | 300 6.7% | 4.135 1h01m | 1874.46 82485 n.a.%
Jun 06 00:32 | 304 6.8% | 4.140 1h01m | 1872.20 82485 n.a.%
Jun 06 00:32 | 315 6.9% | 4.130 1h01m | 1876.73 82485 n.a.%
Jun 06 00:32 | 316 7.0% | 4.125 1h01m | 1879.01 82485 n.a.%
Jun 06 00:32 | 324 7.1% | 4.115 1h01m | 1883.57 82485 n.a.%
Jun 06 00:32 | 327 7.2% | 3.920 58m13s | 1977.27 82485 n.a.%
x mod p out of range!! x = 217187, p = 61071, pinv = 70476, r = 156116
Jun 06 00:32 | 331 7.3% | 0.958 14m13s | 8090.71 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-06-06 00:32:24 (35388): mfaktc-win-64.exe exited; CPU time 6.765625
2026-06-06 00:32:24 (35388): app exit status: 0x1
2026-06-06 00:32:24 (35388): called boinc_finish(195)
</stderr_txt>
]]>
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