Task 60722720

Name	TF_76-77_212-215M_wu_39520_1
Workunit	54292651
Created	3 Nov 2026, 20:43:54 UTC
Sent	3 Nov 2026, 21:07:07 UTC
Report deadline	9 Nov 2026, 21:07:07 UTC
Received	4 Nov 2026, 5:54:31 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 31 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	160.18 MB
Peak swap size	575.03 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 08:50:14 (19772): wrapper (7.24.26018): starting
2026-11-04 08:50:14 (19772): wrapper: running mfaktc-win-64.exe (-d 0)
2026-11-04 08:50:14 (19772): wrapper: created child process 4864
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=214717793 bit_min=76 bit_max=77 (71.28 GHz-days)
Starting trial factoring M214717793 from 2^76 to 2^77 (71.28 GHz-days)
 k_min =  175946908428060
 k_max =  351893816857154
Using GPU kernel "barrett87_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Nov 04 08:50 |    0   0.1% |  2.533  40m29s |   2532.50    82485    n.a.%
Nov 04 08:50 |    3   0.2% |  2.535  40m29s |   2530.50    82485    n.a.%
Nov 04 08:50 |    7   0.3% |  2.543  40m34s |   2522.54    82485    n.a.%
Nov 04 08:50 |   12   0.4% |  2.514  40m03s |   2551.64    82485    n.a.%
Nov 04 08:50 |   16   0.5% |  2.507  39m54s |   2558.76    82485    n.a.%
Nov 04 08:50 |   27   0.6% |  2.588  41m09s |   2478.68    82485    n.a.%
Nov 04 08:50 |   28   0.7% |  2.498  39m41s |   2567.98    82485    n.a.%
Nov 04 08:50 |   31   0.8% |  2.576  40m52s |   2490.22    82485    n.a.%
Nov 04 08:50 |   40   0.9% |  2.503  39m40s |   2562.85    82485    n.a.%
Nov 04 08:50 |   51   1.0% |  2.541  40m14s |   2524.52    82485    n.a.%
Nov 04 08:50 |   52   1.1% |  2.507  39m39s |   2558.76    82485    n.a.%
Nov 04 08:50 |   55   1.2% |  2.497  39m27s |   2569.01    82485    n.a.%
Nov 04 08:50 |   60   1.4% |  2.504  39m31s |   2561.83    82485    n.a.%
Nov 04 08:50 |   63   1.5% |  2.502  39m27s |   2563.88    82485    n.a.%
Nov 04 08:50 |   67   1.6% |  2.512  39m34s |   2553.67    82485    n.a.%
Nov 04 08:50 |   72   1.7% |  2.506  39m26s |   2559.78    82485    n.a.%
Nov 04 08:51 |   75   1.8% |  2.523  39m39s |   2542.54    82485    n.a.%
Nov 04 08:51 |   76   1.9% |  2.516  39m30s |   2549.61    82485    n.a.%
Nov 04 08:51 |   87   2.0% |  2.506  39m18s |   2559.78    82485    n.a.%
Nov 04 08:51 |   88   2.1% |  2.509  39m18s |   2556.72    82485    n.a.%
Nov 04 08:51 |   91   2.2% |  2.506  39m13s |   2559.78    82485    n.a.%
Nov 04 08:51 |   96   2.3% |  2.509  39m13s |   2556.72    82485    n.a.%
Nov 04 08:51 |  100   2.4% |  2.504  39m06s |   2561.83    82485    n.a.%
Nov 04 08:51 |  108   2.5% |  2.503  39m03s |   2562.85    82485    n.a.%
Nov 04 08:51 |  111   2.6% |  2.498  38m56s |   2567.98    82485    n.a.%
Nov 04 08:51 |  112   2.7% |  2.509  39m03s |   2556.72    82485    n.a.%
Nov 04 08:51 |  115   2.8% |  2.506  38m58s |   2559.78    82485    n.a.%
Nov 04 08:51 |  123   2.9% |  2.505  38m55s |   2560.81    82485    n.a.%
Nov 04 08:51 |  132   3.0% |  2.373  36m49s |   2703.25    82485    n.a.%
Nov 04 08:51 |  135   3.1% |  2.404  37m16s |   2668.39    82485    n.a.%
Nov 04 08:51 |  151   3.2% |  2.501  38m43s |   2564.90    82485    n.a.%
Nov 04 08:51 |  156   3.3% |  2.504  38m44s |   2561.83    82485    n.a.%
Nov 04 08:51 |  160   3.4% |  2.496  38m34s |   2570.04    82485    n.a.%
Nov 04 08:51 |  163   3.5% |  2.502  38m37s |   2563.88    82485    n.a.%
Nov 04 08:51 |  168   3.6% |  2.508  38m40s |   2557.74    82485    n.a.%
Nov 04 08:51 |  171   3.8% |  2.497  38m27s |   2569.01    82485    n.a.%
Nov 04 08:51 |  172   3.9% |  2.505  38m32s |   2560.81    82485    n.a.%
Nov 04 08:51 |  175   4.0% |  2.507  38m31s |   2558.76    82485    n.a.%
Nov 04 08:51 |  187   4.1% |  2.500  38m23s |   2565.93    82485    n.a.%
Nov 04 08:51 |  192   4.2% |  2.506  38m26s |   2559.78    82485    n.a.%
Nov 04 08:52 |  195   4.3% |  2.514  38m30s |   2551.64    82485    n.a.%
Nov 04 08:52 |  196   4.4% |  2.505  38m20s |   2560.81    82485    n.a.%
Nov 04 08:52 |  207   4.5% |  2.498  38m11s |   2567.98    82485    n.a.%
Nov 04 08:52 |  208   4.6% |  2.509  38m18s |   2556.72    82485    n.a.%
Nov 04 08:52 |  216   4.7% |  2.500  38m08s |   2565.93    82485    n.a.%
Nov 04 08:52 |  220   4.8% |  2.497  38m02s |   2569.01    82485    n.a.%
Nov 04 08:52 |  223   4.9% |  2.507  38m09s |   2558.76    82485    n.a.%
Nov 04 08:52 |  228   5.0% |  2.508  38m07s |   2557.74    82485    n.a.%
Nov 04 08:52 |  231   5.1% |  2.509  38m06s |   2556.72    82485    n.a.%
Nov 04 08:52 |  240   5.2% |  2.511  38m05s |   2554.69    82485    n.a.%
Nov 04 08:52 |  243   5.3% |  2.504  37m56s |   2561.83    82485    n.a.%
Nov 04 08:52 |  247   5.4% |  2.509  37m58s |   2556.72    82485    n.a.%
Nov 04 08:52 |  252   5.5% |  2.513  37m59s |   2552.65    82485    n.a.%
Nov 04 08:52 |  255   5.6% |  2.512  37m56s |   2553.67    82485    n.a.%
Nov 04 08:52 |  256   5.7% |  2.510  37m52s |   2555.70    82485    n.a.%
Nov 04 08:52 |  271   5.8% |  2.491  37m32s |   2575.20    82485    n.a.%
Nov 04 08:52 |  276   5.9% |  1.383  20m49s |   4638.33    82485    n.a.%
x mod p out of range!! x = 433121, p = 61071, pinv = 70476, r = 372050
Nov 04 08:52 |  280   6.0% |  0.890  13m23s |   7207.66    82485    n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-11-04 08:52:42 (19772): mfaktc-win-64.exe exited; CPU time 5.968750
2026-11-04 08:52:42 (19772): app exit status: 0x1
2026-11-04 08:52:42 (19772): called boinc_finish(195)

</stderr_txt>
]]>