Stderr output

<core_client_version>8.2.12</core_client_version>
<![CDATA[
<message>
process exited with code 195 (0xc3, -61)</message>
<stderr_txt>
2026-11-02 17:11:16 (784): wrapper (7.24.26018): starting
2026-11-02 17:11:16 (784): wrapper (7.24.26018): starting
2026-11-02 17:11:16 (784): wrapper: running ./mfakto (-d 0)
2026-11-02 17:11:16 (784): wrapper: created child process 786
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 - === Rusticl warning: Patched Mesa libclc not detected. Upstream libclc may contain known bugs or breaking changes and isn't guaranteed to work reliably. Please visit https://gitlab.freedesktop.org/karolherbst/mesa-libclc for more information. ===
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 Graphics (radeonsi, renoir, ACO, DRM 3.64, 7.3.1) (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 Graphics (radeonsi, renoir, ACO, DRM 3.64, 7.3.1) (AMD)
  device (driver) version   OpenCL 3.1  (26.2.5 (git-ddaf85e353))
  maximum threads per block 1024
  maximum threads per grid  1073741824
  number of multiprocessors 7 (448 compute elements)
  clock rate                1600 MHz

Automatic parameters
  threads per grid          0
  optimizing kernels for    GCN

Compiling kernels.
Error -43 (Invalid build options): clBuildProgram
ERROR: load_kernels(0) failed
2026-11-02 17:11:17 (784): ./mfakto exited; CPU time 0.251185
2026-11-02 17:11:17 (784): app exit status: 0x2
2026-11-02 17:11:17 (784): called boinc_finish(195)

</stderr_txt>
]]>