Task 55729069
| Name | TF_76-77_163-178M_wu_31290_0 |
| Workunit | 50204776 |
| Created | 24 May 2026, 17:43:37 UTC |
| Sent | 31 May 2026, 21:58:38 UTC |
| Report deadline | 6 Jun 2026, 21:58:38 UTC |
| Received | 5 Jun 2026, 12:32:50 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 39 sec |
| CPU time | 5 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.82 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 146.25 MB |
| Peak swap size | 567.36 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>
2026-06-05 15:26:57 (21352): wrapper (7.24.26018): starting
2026-06-05 15:26:57 (21352): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-05 15:26:57 (21352): wrapper: created child process 31216
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=177676223 bit_min=76 bit_max=77 (86.14 GHz-days)
Starting trial factoring M177676223 from 2^76 to 2^77 (86.14 GHz-days)
k_min = 212627954514360
k_max = 425255909035810
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 05 15:27 | 0 0.1% | 4.139 1h06m | 1872.96 82485 n.a.%
Jun 05 15:27 | 1 0.2% | 4.136 1h06m | 1874.31 82485 n.a.%
Jun 05 15:27 | 12 0.3% | 4.155 1h06m | 1865.74 82485 n.a.%
Jun 05 15:27 | 16 0.4% | 4.147 1h06m | 1869.34 82485 n.a.%
Jun 05 15:27 | 21 0.5% | 4.136 1h05m | 1874.31 82485 n.a.%
Jun 05 15:27 | 25 0.6% | 4.138 1h05m | 1873.41 82485 n.a.%
Jun 05 15:27 | 33 0.7% | 4.154 1h05m | 1866.19 82485 n.a.%
Jun 05 15:27 | 36 0.8% | 4.148 1h05m | 1868.89 82485 n.a.%
Jun 05 15:27 | 37 0.9% | 4.105 1h05m | 1888.47 82485 n.a.%
Jun 05 15:27 | 40 1.0% | 4.137 1h05m | 1873.86 82485 n.a.%
Jun 05 15:27 | 45 1.1% | 4.142 1h05m | 1871.60 82485 n.a.%
Jun 05 15:27 | 52 1.2% | 4.159 1h05m | 1863.95 82485 n.a.%
Jun 05 15:27 | 57 1.4% | 4.143 1h05m | 1871.15 82485 n.a.%
Jun 05 15:27 | 60 1.5% | 4.150 1h05m | 1867.99 82485 n.a.%
Jun 05 15:28 | 73 1.6% | 4.140 1h05m | 1872.50 82485 n.a.%
Jun 05 15:28 | 81 1.7% | 4.159 1h05m | 1863.95 82485 n.a.%
Jun 05 15:28 | 85 1.8% | 4.149 1h05m | 1868.44 82485 n.a.%
Jun 05 15:28 | 88 1.9% | 4.139 1h04m | 1872.96 82485 n.a.%
Jun 05 15:28 | 93 2.0% | 4.143 1h04m | 1871.15 82485 n.a.%
Jun 05 15:28 | 96 2.1% | 4.153 1h05m | 1866.64 82485 n.a.%
Jun 05 15:28 | 100 2.2% | 4.152 1h04m | 1867.09 82485 n.a.%
Jun 05 15:28 | 108 2.3% | 4.140 1h04m | 1872.50 82485 n.a.%
Jun 05 15:28 | 112 2.4% | 4.142 1h04m | 1871.60 82485 n.a.%
Jun 05 15:28 | 117 2.5% | 4.141 1h04m | 1872.05 82485 n.a.%
Jun 05 15:28 | 120 2.6% | 4.158 1h04m | 1864.40 82485 n.a.%
Jun 05 15:28 | 121 2.7% | 4.145 1h04m | 1870.24 82485 n.a.%
Jun 05 15:28 | 133 2.8% | 4.148 1h04m | 1868.89 82485 n.a.%
Jun 05 15:28 | 136 2.9% | 4.148 1h04m | 1868.89 82485 n.a.%
Jun 05 15:28 | 141 3.0% | 4.143 1h04m | 1871.15 82485 n.a.%
Jun 05 15:29 | 145 3.1% | 4.158 1h04m | 1864.40 82485 n.a.%
Jun 05 15:29 | 148 3.2% | 4.147 1h04m | 1869.34 82485 n.a.%
Jun 05 15:29 | 156 3.3% | 4.142 1h04m | 1871.60 82485 n.a.%
Jun 05 15:29 | 157 3.4% | 4.138 1h03m | 1873.41 82485 n.a.%
Jun 05 15:29 | 165 3.5% | 4.147 1h04m | 1869.34 82485 n.a.%
Jun 05 15:29 | 168 3.6% | 4.149 1h03m | 1868.44 82485 n.a.%
Jun 05 15:29 | 172 3.8% | 4.142 1h03m | 1871.60 82485 n.a.%
Jun 05 15:29 | 177 3.9% | 4.141 1h03m | 1872.05 82485 n.a.%
Jun 05 15:29 | 180 4.0% | 4.151 1h03m | 1867.54 82485 n.a.%
Jun 05 15:29 | 192 4.1% | 4.148 1h03m | 1868.89 82485 n.a.%
Jun 05 15:29 | 196 4.2% | 4.132 1h03m | 1876.13 82485 n.a.%
Jun 05 15:29 | 201 4.3% | 4.139 1h03m | 1872.96 82485 n.a.%
Jun 05 15:29 | 205 4.4% | 4.148 1h03m | 1868.89 82485 n.a.%
Jun 05 15:29 | 208 4.5% | 4.156 1h03m | 1865.29 82485 n.a.%
Jun 05 15:30 | 213 4.6% | 4.144 1h03m | 1870.70 82485 n.a.%
Jun 05 15:30 | 217 4.7% | 4.145 1h03m | 1870.24 82485 n.a.%
Jun 05 15:30 | 220 4.8% | 4.147 1h03m | 1869.34 82485 n.a.%
Jun 05 15:30 | 225 4.9% | 4.141 1h03m | 1872.05 82485 n.a.%
Jun 05 15:30 | 228 5.0% | 4.159 1h03m | 1863.95 82485 n.a.%
Jun 05 15:30 | 232 5.1% | 4.147 1h02m | 1869.34 82485 n.a.%
Jun 05 15:30 | 240 5.2% | 4.147 1h02m | 1869.34 82485 n.a.%
Jun 05 15:30 | 241 5.3% | 4.142 1h02m | 1871.60 82485 n.a.%
Jun 05 15:30 | 252 5.4% | 4.158 1h02m | 1864.40 82485 n.a.%
Jun 05 15:30 | 253 5.5% | 4.146 1h02m | 1869.79 82485 n.a.%
Jun 05 15:30 | 256 5.6% | 4.144 1h02m | 1870.70 82485 n.a.%
Jun 05 15:30 | 261 5.7% | 4.143 1h02m | 1871.15 82485 n.a.%
Jun 05 15:30 | 268 5.8% | 4.153 1h02m | 1866.64 82485 n.a.%
Jun 05 15:30 | 273 5.9% | 4.147 1h02m | 1869.34 82485 n.a.%
Jun 05 15:30 | 276 6.0% | 4.141 1h02m | 1872.05 82485 n.a.%
Jun 05 15:31 | 277 6.1% | 4.146 1h02m | 1869.79 82485 n.a.%
Jun 05 15:31 | 280 6.2% | 4.147 1h02m | 1869.34 82485 n.a.%
Jun 05 15:31 | 285 6.4% | 4.157 1h02m | 1864.85 82485 n.a.%
Jun 05 15:31 | 288 6.5% | 4.139 1h01m | 1872.96 82485 n.a.%
Jun 05 15:31 | 297 6.6% | 4.144 1h01m | 1870.70 82485 n.a.%
Jun 05 15:31 | 301 6.7% | 4.149 1h01m | 1868.44 82485 n.a.%
Jun 05 15:31 | 312 6.8% | 4.140 1h01m | 1872.50 82485 n.a.%
Jun 05 15:31 | 313 6.9% | 4.157 1h01m | 1864.85 82485 n.a.%
x mod p out of range!! x = 659854, p = 51709, pinv = 83267, r = 608145
Jun 05 15:31 | 316 7.0% | 0.972 14m28s | 7975.48 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-06-05 15:31:34 (21352): mfaktc-win-64.exe exited; CPU time 5.218750
2026-06-05 15:31:34 (21352): app exit status: 0x1
2026-06-05 15:31:34 (21352): called boinc_finish(195)
</stderr_txt>
]]>
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