Task 60722890
| Name | TF_76-77_212-215M_wu_40034_1 |
| Workunit | 54293165 |
| Created | 3 Nov 2026, 22:48:58 UTC |
| Sent | 3 Nov 2026, 23:03:59 UTC |
| Report deadline | 9 Nov 2026, 23:03:59 UTC |
| Received | 4 Nov 2026, 6:54:50 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 9 sec |
| CPU time | 5 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.94 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 160.47 MB |
| Peak swap size | 473.51 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 09:53:04 (4108): wrapper (7.24.26018): starting
2026-11-04 09:53:04 (4108): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-04 09:53:05 (4108): wrapper: created child process 4440
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=214742323 bit_min=76 bit_max=77 (71.27 GHz-days)
Starting trial factoring M214742323 from 2^76 to 2^77 (71.27 GHz-days)
k_min = 175926810023580
k_max = 351853620051946
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Nov 04 09:53 | 0 0.1% | 2.500 39m58s | 2565.63 82485 n.a.%
Nov 04 09:53 | 5 0.2% | 2.503 39m58s | 2562.56 82485 n.a.%
Nov 04 09:53 | 8 0.3% | 2.509 40m01s | 2556.43 82485 n.a.%
Nov 04 09:53 | 12 0.4% | 2.504 39m54s | 2561.54 82485 n.a.%
Nov 04 09:53 | 17 0.5% | 2.507 39m54s | 2558.47 82485 n.a.%
Nov 04 09:53 | 20 0.6% | 2.511 39m55s | 2554.39 82485 n.a.%
Nov 04 09:53 | 21 0.7% | 2.505 39m47s | 2560.51 82485 n.a.%
Nov 04 09:53 | 32 0.8% | 2.509 39m49s | 2556.43 82485 n.a.%
Nov 04 09:53 | 33 0.9% | 2.544 40m19s | 2521.26 82485 n.a.%
Nov 04 09:53 | 36 1.0% | 2.505 39m40s | 2560.51 82485 n.a.%
Nov 04 09:53 | 41 1.1% | 2.506 39m38s | 2559.49 82485 n.a.%
Nov 04 09:53 | 45 1.2% | 2.503 39m33s | 2562.56 82485 n.a.%
Nov 04 09:53 | 53 1.4% | 2.500 39m28s | 2565.63 82485 n.a.%
Nov 04 09:53 | 56 1.5% | 2.500 39m25s | 2565.63 82485 n.a.%
Nov 04 09:53 | 57 1.6% | 2.498 39m21s | 2567.69 82485 n.a.%
Nov 04 09:53 | 60 1.7% | 2.501 39m21s | 2564.61 82485 n.a.%
Nov 04 09:53 | 68 1.8% | 2.505 39m22s | 2560.51 82485 n.a.%
Nov 04 09:53 | 77 1.9% | 2.498 39m13s | 2567.69 82485 n.a.%
Nov 04 09:53 | 80 2.0% | 2.507 39m19s | 2558.47 82485 n.a.%
Nov 04 09:53 | 96 2.1% | 2.493 39m03s | 2572.84 82485 n.a.%
Nov 04 09:54 | 101 2.2% | 2.509 39m16s | 2556.43 82485 n.a.%
Nov 04 09:54 | 105 2.3% | 2.505 39m10s | 2560.51 82485 n.a.%
Nov 04 09:54 | 108 2.4% | 2.508 39m10s | 2557.45 82485 n.a.%
Nov 04 09:54 | 113 2.5% | 2.503 39m03s | 2562.56 82485 n.a.%
Nov 04 09:54 | 116 2.6% | 2.505 39m02s | 2560.51 82485 n.a.%
Nov 04 09:54 | 117 2.7% | 2.494 38m49s | 2571.81 82485 n.a.%
Nov 04 09:54 | 120 2.8% | 2.505 38m57s | 2560.51 82485 n.a.%
Nov 04 09:54 | 132 2.9% | 2.502 38m52s | 2563.58 82485 n.a.%
Nov 04 09:54 | 137 3.0% | 2.501 38m48s | 2564.61 82485 n.a.%
Nov 04 09:54 | 140 3.1% | 2.512 38m56s | 2553.38 82485 n.a.%
Nov 04 09:54 | 141 3.2% | 2.496 38m39s | 2569.75 82485 n.a.%
Nov 04 09:54 | 152 3.3% | 2.503 38m43s | 2562.56 82485 n.a.%
Nov 04 09:54 | 153 3.4% | 2.514 38m50s | 2551.35 82485 n.a.%
Nov 04 09:54 | 161 3.5% | 2.532 39m05s | 2533.21 82485 n.a.%
Nov 04 09:54 | 165 3.6% | 2.502 38m34s | 2563.58 82485 n.a.%
Nov 04 09:54 | 168 3.8% | 2.502 38m32s | 2563.58 82485 n.a.%
Nov 04 09:54 | 173 3.9% | 2.503 38m30s | 2562.56 82485 n.a.%
Nov 04 09:54 | 176 4.0% | 2.504 38m29s | 2561.54 82485 n.a.%
Nov 04 09:54 | 185 4.1% | 2.497 38m20s | 2568.72 82485 n.a.%
Nov 04 09:54 | 188 4.2% | 2.496 38m16s | 2569.75 82485 n.a.%
Nov 04 09:54 | 192 4.3% | 2.496 38m14s | 2569.75 82485 n.a.%
Nov 04 09:54 | 197 4.4% | 2.513 38m27s | 2552.36 82485 n.a.%
Nov 04 09:54 | 200 4.5% | 2.500 38m13s | 2565.63 82485 n.a.%
Nov 04 09:54 | 201 4.6% | 2.507 38m16s | 2558.47 82485 n.a.%
Nov 04 09:55 | 216 4.7% | 2.507 38m14s | 2558.47 82485 n.a.%
Nov 04 09:55 | 221 4.8% | 2.507 38m11s | 2558.47 82485 n.a.%
Nov 04 09:55 | 225 4.9% | 2.505 38m07s | 2560.51 82485 n.a.%
Nov 04 09:55 | 228 5.0% | 2.504 38m04s | 2561.54 82485 n.a.%
x mod p out of range!! x = 314868, p = 43735, pinv = 98493, r = 271133
Nov 04 09:55 | 236 5.1% | 1.746 26m31s | 3673.59 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-11-04 09:55:12 (4108): mfaktc-win-64.exe exited; CPU time 5.093750
2026-11-04 09:55:12 (4108): app exit status: 0x1
2026-11-04 09:55:12 (4108): called boinc_finish(195)
</stderr_txt>
]]>
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