Task 58921022
| Name | TF_76-77_198-201M_wu_10464_0 |
| Workunit | 52982733 |
| Created | 31 Aug 2026, 16:02:47 UTC |
| Sent | 4 Sep 2026, 10:15:57 UTC |
| Report deadline | 10 Sep 2026, 10:15:57 UTC |
| Received | 6 Sep 2026, 16:41:55 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 255982 |
| Run time | 12 min 39 sec |
| CPU time | 8 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 2,084.08 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 121.47 MB |
| Peak swap size | 337.20 MB |
| Peak disk usage | 4.96 MB |
Stderr output
<core_client_version>8.2.4</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-09-06 18:27:18 (7596): wrapper (7.24.26018): starting
2026-09-06 18:27:18 (7596): wrapper: running mfaktc-win-64.exe (-d 0)
2026-09-06 18:27:18 (7596): wrapper: created child process 14268
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 1080
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 20
clock rate (CUDA cores) 1847 MHz
memory clock rate: 5005 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=199045499 bit_min=76 bit_max=77 (76.89 GHz-days)
Starting trial factoring M199045499 from 2^76 to 2^77 (76.89 GHz-days)
k_min = 189800483066040
k_max = 379600966138472
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Sep 06 18:27 | 0 0.1% | 5.777 1h32m | 1197.84 82485 n.a.%
Sep 06 18:27 | 1 0.2% | 5.747 1h31m | 1204.09 82485 n.a.%
Sep 06 18:27 | 9 0.3% | 5.747 1h31m | 1204.09 82485 n.a.%
Sep 06 18:27 | 16 0.4% | 5.747 1h31m | 1204.09 82485 n.a.%
Sep 06 18:27 | 21 0.5% | 5.748 1h31m | 1203.88 82485 n.a.%
Sep 06 18:27 | 24 0.6% | 5.758 1h31m | 1201.79 82485 n.a.%
Sep 06 18:28 | 25 0.7% | 5.762 1h31m | 1200.95 82485 n.a.%
Sep 06 18:28 | 36 0.8% | 5.762 1h31m | 1200.95 82485 n.a.%
Sep 06 18:28 | 45 0.9% | 5.761 1h31m | 1201.16 82485 n.a.%
Sep 06 18:28 | 49 1.0% | 5.763 1h31m | 1200.75 82485 n.a.%
Sep 06 18:28 | 52 1.1% | 5.762 1h31m | 1200.95 82485 n.a.%
Sep 06 18:28 | 57 1.2% | 5.761 1h31m | 1201.16 82485 n.a.%
Sep 06 18:28 | 60 1.4% | 5.762 1h30m | 1200.95 82485 n.a.%
Sep 06 18:28 | 64 1.5% | 5.763 1h30m | 1200.75 82485 n.a.%
Sep 06 18:28 | 69 1.6% | 5.816 1h31m | 1189.80 82485 n.a.%
Sep 06 18:28 | 72 1.7% | 5.770 1h30m | 1199.29 82485 n.a.%
Sep 06 18:29 | 76 1.8% | 5.800 1h31m | 1193.09 82485 n.a.%
Sep 06 18:29 | 84 1.9% | 5.772 1h30m | 1198.87 82485 n.a.%
Sep 06 18:29 | 85 2.0% | 5.772 1h30m | 1198.87 82485 n.a.%
Sep 06 18:29 | 97 2.1% | 5.772 1h30m | 1198.87 82485 n.a.%
Sep 06 18:29 | 100 2.2% | 5.772 1h30m | 1198.87 82485 n.a.%
Sep 06 18:29 | 105 2.3% | 5.772 1h30m | 1198.87 82485 n.a.%
Sep 06 18:29 | 109 2.4% | 5.773 1h30m | 1198.67 82485 n.a.%
Sep 06 18:29 | 112 2.5% | 5.771 1h30m | 1199.08 82485 n.a.%
Sep 06 18:29 | 120 2.6% | 5.771 1h29m | 1199.08 82485 n.a.%
Sep 06 18:29 | 121 2.7% | 5.772 1h29m | 1198.87 82485 n.a.%
Sep 06 18:29 | 129 2.8% | 5.777 1h29m | 1197.84 82485 n.a.%
Sep 06 18:30 | 132 2.9% | 5.775 1h29m | 1198.25 82485 n.a.%
Sep 06 18:30 | 141 3.0% | 5.771 1h29m | 1199.08 82485 n.a.%
Sep 06 18:30 | 144 3.1% | 5.770 1h29m | 1199.29 82485 n.a.%
Sep 06 18:30 | 156 3.2% | 5.771 1h29m | 1199.08 82485 n.a.%
Sep 06 18:30 | 157 3.3% | 5.771 1h29m | 1199.08 82485 n.a.%
Sep 06 18:30 | 160 3.4% | 5.771 1h29m | 1199.08 82485 n.a.%
Sep 06 18:30 | 165 3.5% | 5.771 1h29m | 1199.08 82485 n.a.%
Sep 06 18:30 | 172 3.6% | 5.771 1h28m | 1199.08 82485 n.a.%
Sep 06 18:30 | 177 3.8% | 5.772 1h28m | 1198.87 82485 n.a.%
Sep 06 18:30 | 181 3.9% | 5.770 1h28m | 1199.29 82485 n.a.%
Sep 06 18:31 | 184 4.0% | 5.770 1h28m | 1199.29 82485 n.a.%
Sep 06 18:31 | 189 4.1% | 5.770 1h28m | 1199.29 82485 n.a.%
Sep 06 18:31 | 192 4.2% | 5.769 1h28m | 1199.50 82485 n.a.%
Sep 06 18:31 | 196 4.3% | 5.775 1h28m | 1198.25 82485 n.a.%
Sep 06 18:31 | 204 4.4% | 5.770 1h28m | 1199.29 82485 n.a.%
Sep 06 18:31 | 205 4.5% | 5.771 1h28m | 1199.08 82485 n.a.%
Sep 06 18:31 | 216 4.6% | 5.773 1h28m | 1198.67 82485 n.a.%
Sep 06 18:31 | 217 4.7% | 5.773 1h28m | 1198.67 82485 n.a.%
Sep 06 18:31 | 220 4.8% | 5.773 1h27m | 1198.67 82485 n.a.%
Sep 06 18:31 | 225 4.9% | 5.772 1h27m | 1198.87 82485 n.a.%
Sep 06 18:31 | 232 5.0% | 5.799 1h28m | 1193.29 82485 n.a.%
Sep 06 18:32 | 237 5.1% | 5.773 1h27m | 1198.67 82485 n.a.%
Sep 06 18:32 | 240 5.2% | 5.774 1h27m | 1198.46 82485 n.a.%
Sep 06 18:32 | 241 5.3% | 5.771 1h27m | 1199.08 82485 n.a.%
Sep 06 18:32 | 244 5.4% | 5.770 1h27m | 1199.29 82485 n.a.%
Sep 06 18:32 | 249 5.5% | 5.769 1h27m | 1199.50 82485 n.a.%
Sep 06 18:32 | 252 5.6% | 5.769 1h27m | 1199.50 82485 n.a.%
Sep 06 18:32 | 256 5.7% | 5.770 1h27m | 1199.29 82485 n.a.%
Sep 06 18:32 | 261 5.8% | 5.770 1h26m | 1199.29 82485 n.a.%
Sep 06 18:32 | 265 5.9% | 5.771 1h26m | 1199.08 82485 n.a.%
Sep 06 18:32 | 276 6.0% | 5.775 1h26m | 1198.25 82485 n.a.%
Sep 06 18:33 | 277 6.1% | 5.772 1h26m | 1198.87 82485 n.a.%
Sep 06 18:33 | 280 6.2% | 5.769 1h26m | 1199.50 82485 n.a.%
Sep 06 18:33 | 289 6.4% | 5.769 1h26m | 1199.50 82485 n.a.%
Sep 06 18:33 | 297 6.5% | 5.769 1h26m | 1199.50 82485 n.a.%
Sep 06 18:33 | 300 6.6% | 5.769 1h26m | 1199.50 82485 n.a.%
Sep 06 18:33 | 304 6.7% | 5.770 1h26m | 1199.29 82485 n.a.%
Sep 06 18:33 | 309 6.8% | 5.769 1h26m | 1199.50 82485 n.a.%
Sep 06 18:33 | 316 6.9% | 5.772 1h26m | 1198.87 82485 n.a.%
Sep 06 18:33 | 321 7.0% | 5.773 1h25m | 1198.67 82485 n.a.%
Sep 06 18:33 | 324 7.1% | 5.773 1h25m | 1198.67 82485 n.a.%
Sep 06 18:34 | 325 7.2% | 5.771 1h25m | 1199.08 82485 n.a.%
Sep 06 18:34 | 336 7.3% | 5.769 1h25m | 1199.50 82485 n.a.%
Sep 06 18:34 | 337 7.4% | 5.765 1h25m | 1200.33 82485 n.a.%
Sep 06 18:34 | 340 7.5% | 5.769 1h25m | 1199.50 82485 n.a.%
Sep 06 18:34 | 349 7.6% | 5.813 1h25m | 1190.42 82485 n.a.%
Sep 06 18:34 | 352 7.7% | 5.766 1h25m | 1200.12 82485 n.a.%
Sep 06 18:34 | 357 7.8% | 5.772 1h25m | 1198.87 82485 n.a.%
Sep 06 18:34 | 360 7.9% | 5.764 1h24m | 1200.54 82485 n.a.%
Sep 06 18:34 | 361 8.0% | 5.764 1h24m | 1200.54 82485 n.a.%
Sep 06 18:34 | 364 8.1% | 5.768 1h24m | 1199.71 82485 n.a.%
Sep 06 18:34 | 372 8.2% | 5.770 1h24m | 1199.29 82485 n.a.%
Sep 06 18:35 | 381 8.3% | 5.767 1h24m | 1199.91 82485 n.a.%
Sep 06 18:35 | 384 8.4% | 5.767 1h24m | 1199.91 82485 n.a.%
Sep 06 18:35 | 385 8.5% | 5.765 1h24m | 1200.33 82485 n.a.%
Sep 06 18:35 | 396 8.6% | 5.766 1h24m | 1200.12 82485 n.a.%
Sep 06 18:35 | 405 8.8% | 5.767 1h24m | 1199.91 82485 n.a.%
Sep 06 18:35 | 409 8.9% | 5.766 1h24m | 1200.12 82485 n.a.%
Sep 06 18:35 | 412 9.0% | 5.766 1h23m | 1200.12 82485 n.a.%
Sep 06 18:35 | 417 9.1% | 5.765 1h23m | 1200.33 82485 n.a.%
Sep 06 18:35 | 420 9.2% | 5.763 1h23m | 1200.75 82485 n.a.%
Sep 06 18:35 | 421 9.3% | 5.765 1h23m | 1200.33 82485 n.a.%
Sep 06 18:36 | 424 9.4% | 5.765 1h23m | 1200.33 82485 n.a.%
Sep 06 18:36 | 429 9.5% | 5.766 1h23m | 1200.12 82485 n.a.%
Sep 06 18:36 | 436 9.6% | 5.765 1h23m | 1200.33 82485 n.a.%
Sep 06 18:36 | 441 9.7% | 5.765 1h23m | 1200.33 82485 n.a.%
Sep 06 18:36 | 445 9.8% | 5.764 1h23m | 1200.54 82485 n.a.%
Sep 06 18:36 | 456 9.9% | 5.788 1h23m | 1195.56 82485 n.a.%
Sep 06 18:36 | 457 10.0% | 5.764 1h23m | 1200.54 82485 n.a.%
Sep 06 18:36 | 465 10.1% | 5.765 1h22m | 1200.33 82485 n.a.%
Sep 06 18:36 | 469 10.2% | 5.765 1h22m | 1200.33 82485 n.a.%
Sep 06 18:36 | 472 10.3% | 5.764 1h22m | 1200.54 82485 n.a.%
Sep 06 18:36 | 480 10.4% | 5.764 1h22m | 1200.54 82485 n.a.%
Sep 06 18:37 | 484 10.5% | 5.765 1h22m | 1200.33 82485 n.a.%
Sep 06 18:37 | 489 10.6% | 5.767 1h22m | 1199.91 82485 n.a.%
Sep 06 18:37 | 492 10.7% | 5.765 1h22m | 1200.33 82485 n.a.%
Sep 06 18:37 | 496 10.8% | 5.767 1h22m | 1199.91 82485 n.a.%
Sep 06 18:37 | 501 10.9% | 5.767 1h22m | 1199.91 82485 n.a.%
Sep 06 18:37 | 504 11.0% | 5.765 1h22m | 1200.33 82485 n.a.%
Sep 06 18:37 | 505 11.1% | 5.765 1h21m | 1200.33 82485 n.a.%
Sep 06 18:37 | 517 11.2% | 5.766 1h21m | 1200.12 82485 n.a.%
Sep 06 18:37 | 520 11.4% | 5.765 1h21m | 1200.33 82485 n.a.%
Sep 06 18:37 | 525 11.5% | 5.768 1h21m | 1199.71 82485 n.a.%
Sep 06 18:38 | 529 11.6% | 5.767 1h21m | 1199.91 82485 n.a.%
Sep 06 18:38 | 540 11.7% | 5.765 1h21m | 1200.33 82485 n.a.%
Sep 06 18:38 | 541 11.8% | 5.770 1h21m | 1199.29 82485 n.a.%
Sep 06 18:38 | 549 11.9% | 5.813 1h21m | 1190.42 82485 n.a.%
Sep 06 18:38 | 552 12.0% | 5.765 1h21m | 1200.33 82485 n.a.%
Sep 06 18:38 | 556 12.1% | 5.767 1h21m | 1199.91 82485 n.a.%
Sep 06 18:38 | 561 12.2% | 5.764 1h20m | 1200.54 82485 n.a.%
Sep 06 18:38 | 564 12.3% | 5.798 1h21m | 1193.50 82485 n.a.%
Sep 06 18:38 | 577 12.4% | 5.765 1h20m | 1200.33 82485 n.a.%
Sep 06 18:38 | 580 12.5% | 5.765 1h20m | 1200.33 82485 n.a.%
Sep 06 18:39 | 585 12.6% | 5.763 1h20m | 1200.75 82485 n.a.%
Sep 06 18:39 | 589 12.7% | 5.768 1h20m | 1199.71 82485 n.a.%
Sep 06 18:39 | 592 12.8% | 5.773 1h20m | 1198.67 82485 n.a.%
Sep 06 18:39 | 597 12.9% | 5.772 1h20m | 1198.87 82485 n.a.%
Sep 06 18:39 | 601 13.0% | 5.768 1h20m | 1199.71 82485 n.a.%
Sep 06 18:39 | 604 13.1% | 5.764 1h20m | 1200.54 82485 n.a.%
Sep 06 18:39 | 612 13.2% | 5.765 1h20m | 1200.33 82485 n.a.%
Sep 06 18:39 | 616 13.3% | 5.763 1h19m | 1200.75 82485 n.a.%
Sep 06 18:39 | 624 13.4% | 14.000 3h13m | 494.28 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-09-06 18:39:55 (7596): mfaktc-win-64.exe exited; CPU time 8.359375
2026-09-06 18:39:55 (7596): app exit status: 0x1
2026-09-06 18:39:55 (7596): called boinc_finish(195)
</stderr_txt>
]]>
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