Task 44872028
| Name | TF_75-76_422-747M_wu_117267_0 |
| Workunit | 40701418 |
| Created | 15 Jan 2026, 20:38:40 UTC |
| Sent | 18 Jan 2026, 5:00:31 UTC |
| Report deadline | 23 Jan 2026, 11:00:31 UTC |
| Received | 18 Jan 2026, 7:05:33 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 243909 |
| Run time | 4 min 29 sec |
| CPU time | 1 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 472.95 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 112.76 MB |
| Peak swap size | 252.66 MB |
| Peak disk usage | 4.95 MB |
Stderr output
<core_client_version>8.2.8</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-01-18 01:05:50 (16092): wrapper (7.24.26018): starting
2026-01-18 01:05:50 (16092): wrapper: running mfaktc-win-64.exe (-d 1)
2026-01-18 01:05:51 (16092): wrapper: created child process 3916
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 1050 Ti
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 6
clock rate (CUDA cores) 1392 MHz
memory clock rate: 3504 MHz
memory bus width: 128 bits
Automatic parameters
threads per grid 786432
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=753074071 bit_min=75 bit_max=76 (10.16 GHz-days)
Starting trial factoring M753074071 from 2^75 to 2^76 (10.16 GHz-days)
k_min = 25083144748200
k_max = 50166289502958
Using GPU kernel "barrett76_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jan 18 01:05 | 0 0.1% | 3.738 59m45s | 244.65 82485 n.a.%
Jan 18 01:06 | 5 0.2% | 3.889 1h02m | 235.15 82485 n.a.%
Jan 18 01:06 | 9 0.3% | 3.853 1h01m | 237.35 82485 n.a.%
Jan 18 01:06 | 20 0.4% | 3.847 1h01m | 237.72 82485 n.a.%
Jan 18 01:06 | 21 0.5% | 3.849 1h01m | 237.59 82485 n.a.%
Jan 18 01:06 | 29 0.6% | 3.907 1h02m | 234.07 82485 n.a.%
Jan 18 01:06 | 33 0.7% | 3.913 1h02m | 233.71 82485 n.a.%
Jan 18 01:06 | 36 0.8% | 3.901 1h01m | 234.43 82485 n.a.%
Jan 18 01:06 | 44 0.9% | 3.883 1h01m | 235.51 82485 n.a.%
Jan 18 01:06 | 48 1.0% | 3.905 1h01m | 234.19 82485 n.a.%
Jan 18 01:06 | 53 1.1% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:06 | 56 1.2% | 3.912 1h01m | 233.77 82485 n.a.%
Jan 18 01:06 | 60 1.4% | 3.912 1h01m | 233.77 82485 n.a.%
Jan 18 01:06 | 65 1.5% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:06 | 68 1.6% | 3.912 1h01m | 233.77 82485 n.a.%
Jan 18 01:06 | 69 1.7% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:06 | 81 1.8% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 84 1.9% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 89 2.0% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 93 2.1% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 104 2.2% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 105 2.3% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 113 2.4% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 116 2.5% | 3.913 1h01m | 233.71 82485 n.a.%
Jan 18 01:07 | 120 2.6% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:07 | 125 2.7% | 3.912 1h00m | 233.77 82485 n.a.%
Jan 18 01:07 | 128 2.8% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:07 | 141 2.9% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:07 | 144 3.0% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:07 | 149 3.1% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:07 | 153 3.2% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:07 | 156 3.3% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:08 | 161 3.4% | 3.912 1h00m | 233.77 82485 n.a.%
Jan 18 01:08 | 165 3.5% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:08 | 168 3.6% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:08 | 176 3.8% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:08 | 180 3.9% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:08 | 188 4.0% | 3.913 1h00m | 233.71 82485 n.a.%
Jan 18 01:08 | 189 4.1% | 3.914 1h00m | 233.65 82485 n.a.%
Jan 18 01:08 | 200 4.2% | 3.914 1h00m | 233.65 82485 n.a.%
Jan 18 01:08 | 201 4.3% | 3.914 59m57s | 233.65 82485 n.a.%
Jan 18 01:08 | 204 4.4% | 3.914 59m53s | 233.65 82485 n.a.%
Jan 18 01:08 | 209 4.5% | 3.913 59m48s | 233.71 82485 n.a.%
Jan 18 01:08 | 216 4.6% | 3.913 59m44s | 233.71 82485 n.a.%
Jan 18 01:08 | 221 4.7% | 3.912 59m39s | 233.77 82485 n.a.%
Jan 18 01:08 | 224 4.8% | 3.912 59m36s | 233.77 82485 n.a.%
Jan 18 01:08 | 225 4.9% | 3.913 59m33s | 233.71 82485 n.a.%
Jan 18 01:09 | 233 5.0% | 3.913 59m29s | 233.71 82485 n.a.%
Jan 18 01:09 | 236 5.1% | 3.914 59m26s | 233.65 82485 n.a.%
Jan 18 01:09 | 240 5.2% | 3.914 59m22s | 233.65 82485 n.a.%
Jan 18 01:09 | 245 5.3% | 3.914 59m18s | 233.65 82485 n.a.%
Jan 18 01:09 | 249 5.4% | 3.913 59m13s | 233.71 82485 n.a.%
Jan 18 01:09 | 260 5.5% | 3.914 59m10s | 233.65 82485 n.a.%
Jan 18 01:09 | 264 5.6% | 3.914 59m06s | 233.65 82485 n.a.%
Jan 18 01:09 | 273 5.7% | 3.913 59m01s | 233.71 82485 n.a.%
Jan 18 01:09 | 281 5.8% | 3.913 58m57s | 233.71 82485 n.a.%
Jan 18 01:09 | 284 5.9% | 3.913 58m53s | 233.71 82485 n.a.%
Jan 18 01:09 | 285 6.0% | 3.913 58m50s | 233.71 82485 n.a.%
Jan 18 01:09 | 288 6.1% | 3.913 58m46s | 233.71 82485 n.a.%
Jan 18 01:09 | 293 6.2% | 3.913 58m42s | 233.71 82485 n.a.%
Jan 18 01:09 | 296 6.4% | 3.913 58m38s | 233.71 82485 n.a.%
Jan 18 01:09 | 300 6.5% | 3.912 58m33s | 233.77 82485 n.a.%
Jan 18 01:09 | 308 6.6% | 3.913 58m30s | 233.71 82485 n.a.%
Jan 18 01:10 | 309 6.7% | 3.913 58m26s | 233.71 82485 n.a.%
Jan 18 01:10 | 320 6.8% | 3.912 58m21s | 233.77 82485 n.a.%
Jan 18 01:10 | 321 6.9% | 3.912 58m17s | 233.77 82485 n.a.%
Jan 18 01:10 | 324 7.0% | 3.911 58m13s | 233.83 82485 n.a.%
2026-01-18 01:10:18 (16092): mfaktc-win-64.exe exited; CPU time 1.875000
2026-01-18 01:10:18 (16092): app exit status: 0xc2
2026-01-18 01:10:18 (16092): called boinc_finish(195)
</stderr_txt>
]]>
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