Task 60497019
| Name | TF_76-77_212-215M_wu_40207_0 |
| Workunit | 54293338 |
| Created | 23 Oct 2026, 21:25:03 UTC |
| Sent | 3 Nov 2026, 23:36:05 UTC |
| Report deadline | 9 Nov 2026, 23:36:05 UTC |
| Received | 4 Nov 2026, 7:42:19 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 248535 |
| Run time | 2 min 20 sec |
| CPU time | 6 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.94 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 160.29 MB |
| Peak swap size | 474.78 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>
2026-11-04 10:40:29 (16896): wrapper (7.24.26018): starting
2026-11-04 10:40:30 (16896): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-04 10:40:30 (16896): wrapper: created child process 28168
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 13.5
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=214750867 bit_min=76 bit_max=77 (71.26 GHz-days)
Starting trial factoring M214750867 from 2^76 to 2^77 (71.26 GHz-days)
k_min = 175919810663520
k_max = 351839621331607
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Nov 04 10:40 | 0 0.1% | 2.500 39m58s | 2565.53 82485 n.a.%
Nov 04 10:40 | 8 0.2% | 2.512 40m06s | 2553.28 82485 n.a.%
Nov 04 10:40 | 9 0.3% | 2.504 39m56s | 2561.43 82485 n.a.%
Nov 04 10:40 | 17 0.4% | 2.501 39m51s | 2564.51 82485 n.a.%
Nov 04 10:40 | 20 0.5% | 2.505 39m52s | 2560.41 82485 n.a.%
Nov 04 10:40 | 24 0.6% | 2.488 39m34s | 2577.91 82485 n.a.%
Nov 04 10:40 | 29 0.7% | 2.512 39m54s | 2553.28 82485 n.a.%
Nov 04 10:40 | 32 0.8% | 2.513 39m52s | 2552.26 82485 n.a.%
Nov 04 10:40 | 44 0.9% | 2.562 40m36s | 2503.45 82485 n.a.%
Nov 04 10:40 | 45 1.0% | 2.496 39m31s | 2569.64 82485 n.a.%
Nov 04 10:41 | 48 1.1% | 2.495 39m28s | 2570.67 82485 n.a.%
Nov 04 10:41 | 53 1.2% | 2.483 39m14s | 2583.10 82485 n.a.%
Nov 04 10:41 | 57 1.4% | 2.499 39m27s | 2566.56 82485 n.a.%
Nov 04 10:41 | 65 1.5% | 2.498 39m23s | 2567.59 82485 n.a.%
Nov 04 10:41 | 69 1.6% | 2.492 39m15s | 2573.77 82485 n.a.%
Nov 04 10:41 | 72 1.7% | 2.495 39m15s | 2570.67 82485 n.a.%
Nov 04 10:41 | 77 1.8% | 2.544 39m59s | 2521.16 82485 n.a.%
Nov 04 10:41 | 80 1.9% | 2.490 39m06s | 2575.84 82485 n.a.%
Nov 04 10:41 | 84 2.0% | 2.494 39m07s | 2571.70 82485 n.a.%
Nov 04 10:41 | 92 2.1% | 2.502 39m12s | 2563.48 82485 n.a.%
Nov 04 10:41 | 105 2.2% | 2.511 39m18s | 2554.29 82485 n.a.%
Nov 04 10:41 | 108 2.3% | 2.508 39m13s | 2557.35 82485 n.a.%
Nov 04 10:41 | 113 2.4% | 2.491 38m54s | 2574.80 82485 n.a.%
Nov 04 10:41 | 120 2.5% | 2.428 37m53s | 2641.61 82485 n.a.%
Nov 04 10:41 | 125 2.6% | 2.487 38m45s | 2578.94 82485 n.a.%
Nov 04 10:41 | 128 2.7% | 2.496 38m51s | 2569.64 82485 n.a.%
Nov 04 10:41 | 129 2.8% | 2.498 38m51s | 2567.59 82485 n.a.%
Nov 04 10:41 | 132 2.9% | 2.503 38m53s | 2562.46 82485 n.a.%
Nov 04 10:41 | 140 3.0% | 2.493 38m41s | 2572.74 82485 n.a.%
Nov 04 10:41 | 144 3.1% | 2.496 38m41s | 2569.64 82485 n.a.%
Nov 04 10:41 | 149 3.2% | 2.494 38m37s | 2571.70 82485 n.a.%
Nov 04 10:41 | 153 3.3% | 2.498 38m38s | 2567.59 82485 n.a.%
Nov 04 10:41 | 164 3.4% | 2.485 38m24s | 2581.02 82485 n.a.%
Nov 04 10:41 | 165 3.5% | 2.483 38m19s | 2583.10 82485 n.a.%
Nov 04 10:42 | 168 3.6% | 2.499 38m32s | 2566.56 82485 n.a.%
Nov 04 10:42 | 177 3.8% | 2.490 38m21s | 2575.84 82485 n.a.%
Nov 04 10:42 | 185 3.9% | 2.496 38m24s | 2569.64 82485 n.a.%
Nov 04 10:42 | 188 4.0% | 2.496 38m21s | 2569.64 82485 n.a.%
Nov 04 10:42 | 189 4.1% | 2.491 38m14s | 2574.80 82485 n.a.%
Nov 04 10:42 | 197 4.2% | 2.493 38m14s | 2572.74 82485 n.a.%
Nov 04 10:42 | 200 4.3% | 2.504 38m21s | 2561.43 82485 n.a.%
Nov 04 10:42 | 204 4.4% | 2.513 38m27s | 2552.26 82485 n.a.%
Nov 04 10:42 | 209 4.5% | 2.489 38m02s | 2576.87 82485 n.a.%
Nov 04 10:42 | 212 4.6% | 2.493 38m04s | 2572.74 82485 n.a.%
Nov 04 10:42 | 213 4.7% | 2.495 38m03s | 2570.67 82485 n.a.%
Nov 04 10:42 | 224 4.8% | 2.613 39m48s | 2454.58 82485 n.a.%
Nov 04 10:42 | 228 4.9% | 2.502 38m04s | 2563.48 82485 n.a.%
Nov 04 10:42 | 233 5.0% | 2.496 37m56s | 2569.64 82485 n.a.%
Nov 04 10:42 | 237 5.1% | 2.496 37m54s | 2569.64 82485 n.a.%
Nov 04 10:42 | 240 5.2% | 2.501 37m56s | 2564.51 82485 n.a.%
Nov 04 10:42 | 245 5.3% | 2.496 37m49s | 2569.64 82485 n.a.%
Nov 04 10:42 | 248 5.4% | 2.491 37m42s | 2574.80 82485 n.a.%
x mod p out of range!! x = 628000, p = 59601, pinv = 72218, r = 568399
Nov 04 10:42 | 249 5.5% | 2.344 35m26s | 2736.28 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-11-04 10:42:47 (16896): mfaktc-win-64.exe exited; CPU time 6.359375
2026-11-04 10:42:48 (16896): app exit status: 0x1
2026-11-04 10:42:48 (16896): called boinc_finish(195)
</stderr_txt>
]]>
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