Task 54129030

Name	TF_76-77_163-171M_wu_30296_0
Workunit	49117124
Created	22 Apr 2026, 19:49:02 UTC
Sent	30 Apr 2026, 20:58:35 UTC
Report deadline	6 May 2026, 2:58:35 UTC
Received	2 May 2026, 15:38:47 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	248535
Run time	3 min 36 sec
CPU time	4 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	11,768.02 GFLOPS
Application version	TF v0.49 (cuda128)
Peak working set size	145.89 MB
Peak swap size	569.00 MB
Peak disk usage	4.95 MB
Stderr output

<core_client_version>8.2.9</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
 (0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-05-02 18:33:30 (7312): wrapper (7.24.26018): starting
2026-05-02 18:33:30 (7312): wrapper: running mfaktc-win-64.exe (-d 0)
2026-05-02 18:33:31 (7312): wrapper: created child process 20532
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       13.2

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=170378597 bit_min=76 bit_max=77 (89.82 GHz-days)
Starting trial factoring M170378597 from 2^76 to 2^77 (89.82 GHz-days)
 k_min =  221735197539240
 k_max =  443470395086739
Using GPU kernel "barrett87_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
May 02 18:33 |    0   0.1% |  4.266   1h08m |   1895.03    82485    n.a.%
May 02 18:33 |    3   0.2% |  4.259   1h08m |   1898.15    82485    n.a.%
May 02 18:33 |    7   0.3% |  4.253   1h07m |   1900.82    82485    n.a.%
May 02 18:33 |   12   0.4% |  4.253   1h07m |   1900.82    82485    n.a.%
May 02 18:33 |   19   0.5% |  4.249   1h07m |   1902.61    82485    n.a.%
May 02 18:33 |   24   0.6% |  4.244   1h07m |   1904.85    82485    n.a.%
May 02 18:34 |   28   0.7% |  4.220   1h07m |   1915.69    82485    n.a.%
May 02 18:34 |   39   0.8% |  4.250   1h07m |   1902.17    82485    n.a.%
May 02 18:34 |   40   0.9% |  4.247   1h07m |   1903.51    82485    n.a.%
May 02 18:34 |   43   1.0% |  4.251   1h07m |   1901.72    82485    n.a.%
May 02 18:34 |   52   1.1% |  4.250   1h07m |   1902.17    82485    n.a.%
May 02 18:34 |   60   1.2% |  4.253   1h07m |   1900.82    82485    n.a.%
May 02 18:34 |   63   1.4% |  4.237   1h06m |   1908.00    82485    n.a.%
May 02 18:34 |   64   1.5% |  4.252   1h07m |   1901.27    82485    n.a.%
May 02 18:34 |   67   1.6% |  4.246   1h06m |   1903.96    82485    n.a.%
May 02 18:34 |   72   1.7% |  4.252   1h06m |   1901.27    82485    n.a.%
May 02 18:34 |   75   1.8% |  4.249   1h06m |   1902.61    82485    n.a.%
May 02 18:34 |   79   1.9% |  4.253   1h06m |   1900.82    82485    n.a.%
May 02 18:34 |   84   2.0% |  4.252   1h06m |   1901.27    82485    n.a.%
May 02 18:34 |   87   2.1% |  4.252   1h06m |   1901.27    82485    n.a.%
May 02 18:35 |   88   2.2% |  4.249   1h06m |   1902.61    82485    n.a.%
May 02 18:35 |   99   2.3% |  4.250   1h06m |   1902.17    82485    n.a.%
May 02 18:35 |  100   2.4% |  4.250   1h06m |   1902.17    82485    n.a.%
May 02 18:35 |  108   2.5% |  4.250   1h06m |   1902.17    82485    n.a.%
May 02 18:35 |  112   2.6% |  4.249   1h06m |   1902.61    82485    n.a.%
May 02 18:35 |  115   2.7% |  4.247   1h06m |   1903.51    82485    n.a.%
May 02 18:35 |  120   2.8% |  4.204   1h05m |   1922.98    82485    n.a.%
May 02 18:35 |  123   2.9% |  4.251   1h06m |   1901.72    82485    n.a.%
May 02 18:35 |  124   3.0% |  4.252   1h05m |   1901.27    82485    n.a.%
May 02 18:35 |  127   3.1% |  4.252   1h05m |   1901.27    82485    n.a.%
May 02 18:35 |  135   3.2% |  4.250   1h05m |   1902.17    82485    n.a.%
May 02 18:35 |  144   3.3% |  4.258   1h05m |   1898.59    82485    n.a.%
May 02 18:35 |  148   3.4% |  4.253   1h05m |   1900.82    82485    n.a.%
May 02 18:35 |  159   3.5% |  4.253   1h05m |   1900.82    82485    n.a.%
May 02 18:36 |  163   3.6% |  4.251   1h05m |   1901.72    82485    n.a.%
May 02 18:36 |  168   3.8% |  4.252   1h05m |   1901.27    82485    n.a.%
May 02 18:36 |  172   3.9% |  4.253   1h05m |   1900.82    82485    n.a.%
May 02 18:36 |  175   4.0% |  4.253   1h05m |   1900.82    82485    n.a.%
May 02 18:36 |  183   4.1% |  4.253   1h05m |   1900.82    82485    n.a.%
May 02 18:36 |  184   4.2% |  4.252   1h05m |   1901.27    82485    n.a.%
May 02 18:36 |  187   4.3% |  4.252   1h05m |   1901.27    82485    n.a.%
May 02 18:36 |  192   4.4% |  4.251   1h05m |   1901.72    82485    n.a.%
May 02 18:36 |  199   4.5% |  4.250   1h04m |   1902.17    82485    n.a.%
May 02 18:36 |  204   4.6% |  4.247   1h04m |   1903.51    82485    n.a.%
May 02 18:36 |  207   4.7% |  4.252   1h04m |   1901.27    82485    n.a.%
May 02 18:36 |  208   4.8% |  4.246   1h04m |   1903.96    82485    n.a.%
May 02 18:36 |  219   4.9% |  4.203   1h03m |   1923.44    82485    n.a.%
May 02 18:36 |  220   5.0% |  4.256   1h04m |   1899.48    82485    n.a.%
May 02 18:37 |  228   5.1% |  4.262   1h04m |   1896.81    82485    n.a.%
May 02 18:37 |  232   5.2% |  4.252   1h04m |   1901.27    82485    n.a.%
x mod p out of range!! x = 967450, p = 61071, pinv = 70476, r = 906379
May 02 18:37 |  240   5.3% |  0.115    n.a. |  70297.43    82485    n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-05-02 18:37:05 (7312): mfaktc-win-64.exe exited; CPU time 4.718750
2026-05-02 18:37:05 (7312): app exit status: 0x1
2026-05-02 18:37:05 (7312): called boinc_finish(195)

</stderr_txt>
]]>