Stderr output

<core_client_version>8.2.15</core_client_version>
<![CDATA[
<message>
process exited with code 195 (0xc3, -61)</message>
<stderr_txt>
2026-07-04 15:42:13 (108786): wrapper (7.24.26018): starting
2026-07-04 15:42:13 (108786): wrapper (7.24.26018): starting
2026-07-04 15:42:13 (108786): wrapper: running ./mfakto (-d 1)
2026-07-04 15:42:13 (108786): wrapper: created child process 108788
mfakto 0.16.0-beta.5 (64-bit build)


Runtime options
  INI file                  mfakto.ini
  Verbosity                 1
  SieveOnGPU                yes
  MoreClasses               yes
  GPUSievePrimes            81157
  GPUSieveProcessSize       24 Kib
  GPUSieveSize              96 Mib
  FlushInterval             0
  WorkFile                  worktodo.txt
  ResultsFile               results.txt
  JSONResultsFile           results.json.txt
  LogFile                   mfakto.log
  Checkpoints               enabled
  CheckpointDelay           60 s
  Stages                    disabled
  StopAfterFactor           bit level
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  none
  ComputerID                none
  TimeStampInResults        yes
  LegacyResultsTxt          no
  VectorSize                2
  GPUType                   AUTO
  UseBinfile                mfakto_Kernels.elf

Compile-time options

Select device - LLVM ERROR: Unsupported vector type with 1 elements
Get device info:
Warning: Unknown GPU name, assuming a GCN (Graphics Core Next) device. Please
      post the name to the GIMPS forum or GitHub to have it added to mfakto.

      Device name:   AMD Radeon RX 6600 (radeonsi, navi23, ACO, DRM 3.64, 7.1.2-3-cachyos) (AMD)
      mfakto thread: https://www.mersenneforum.org/node/11037
      GitHub:        https://github.com/primesearch/mfakto/issues

      You can also set GPUType in mfakto.ini to avoid this message.

OpenCL device info
  name                      AMD Radeon RX 6600 (radeonsi, navi23, ACO, DRM 3.64, 7.1.2-3-cachyos) (AMD)
  device (driver) version   OpenCL 3.0  (26.1.4-arch3.1)
  maximum threads per block 1024
  maximum threads per grid  1073741824
  number of multiprocessors 28 (1792 compute elements)
  clock rate                2750 MHz

Automatic parameters
  threads per grid          0
  optimizing kernels for    GCN

Compiling kernels.
2026-07-04 15:42:14 (108786): ./mfakto exited; CPU time 0.438694
2026-07-04 15:42:14 (108786): app exit status: 0x1
2026-07-04 15:42:14 (108786): called boinc_finish(195)

</stderr_txt>
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