Task 21228103

Name	TF_75-76_303-313M_wu_187356_0
Workunit	19414081
Created	20 Apr 2025, 11:13:08 UTC
Sent	5 May 2025, 8:00:48 UTC
Report deadline	10 May 2025, 14:00:48 UTC
Received	5 May 2025, 20:35:09 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	234414
Run time	11 sec
CPU time
Validate state	Invalid
Credit	0.00
Device peak FLOPS	2,638.83 GFLOPS
Application version	TF v0.43 (cuda120)
Peak working set size	109.46 MB
Peak swap size	525.21 MB
Peak disk usage	3.43 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
 (0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-05-05 06:17:32 (55800): wrapper (7.24.26018): starting
2025-05-05 06:17:32 (55800): wrapper: running mfaktc-win-64.exe (-d 0)
2025-05-05 06:17:32 (55800): wrapper: created child process 46452
mfaktc v0.23.0 (64bit built)

Compiletime options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32kiB
  SIEVE_SIZE                193154bits
  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              2047Mi bits
  GPUSieveProcessSize       16Ki bits
  Checkpoints               enabled
  CheckpointDelay           60s
  WorkFileAddDelay          disabled
  Stages                    disabled
  StopAfterFactor           bitlevel
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
  TimeStampInResults        no

CUDA version info
  binary compiled for CUDA  12.0
  CUDA runtime version      12.0
  CUDA driver version       12.60

CUDA device info
  name                      NVIDIA GeForce GTX 1080 Ti
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 byte
  number of multiprocessors 28
  clock rate (CUDA cores)   1670MHz
  memory clock rate:        5505MHz
  memory bus width:         352 bit

Automatic parameters
  threads per grid          917504
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple selftest...
Selftest statistics
  number of tests           107
  successfull tests         107

selftest PASSED!

got assignment: exp=313067569 bit_min=75 bit_max=76 (24.44 GHz-days)
Starting trial factoring M313067569 from 2^75 to 2^76 (24.44 GHz-days)
 k_min =  60336706195920
 k_max =  120673412399855
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
May 05 06:17 |    0   0.1% |  1.511  24m09s |   1455.86    82485    n.a.%
May 05 06:17 |   11   0.2% |  1.528  24m24s |   1439.66    82485    n.a.%
May 05 06:17 |   12   0.3% |  1.542  24m36s |   1426.59    82485    n.a.%
May 05 06:17 |   20   0.4% |  1.553  24m45s |   1416.49    82485    n.a.%
May 05 06:17 |   24   0.5% |  0.779  12m24s |   2823.88    82485    n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2025-05-05 06:17:41 (55800): mfaktc-win-64.exe exited; CPU time 0.015625
2025-05-05 06:17:41 (55800): app exit status: 0x1
2025-05-05 06:17:41 (55800): called boinc_finish(195)

</stderr_txt>
]]>