Stderr output

<core_client_version>8.2.15</core_client_version>
<![CDATA[
<message>
process exited with code 195 (0xc3, -61)</message>
<stderr_txt>
2026-11-11 19:39:15 (59665): wrapper (7.24.26018): starting
2026-11-11 19:39:15 (59665): wrapper (7.24.26018): starting
2026-11-11 19:39:15 (59665): wrapper: running ./mfakto (-d 0)
2026-11-11 19:39:15 (59665): wrapper: created child process 59667
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 RX 7900 XTX (radeonsi, navi31, ACO, DRM 3.64, 7.3.3-1-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 7900 XTX (radeonsi, navi31, ACO, DRM 3.64, 7.3.3-1-cachyos) (AMD)
  device (driver) version   OpenCL 3.1  (26.2.6-arch3.1)
  maximum threads per block 1024
  maximum threads per grid  1073741824
  number of multiprocessors 96 (6144 compute elements)
  clock rate                2431 MHz

Automatic parameters
  threads per grid          0
  optimizing kernels for    GCN

Compiling kernels.
Error -43 (Invalid build options): clBuildProgram
ERROR: load_kernels(0) failed
2026-11-11 19:39:16 (59665): ./mfakto exited; CPU time 0.061143
2026-11-11 19:39:16 (59665): app exit status: 0x2
2026-11-11 19:39:16 (59665): called boinc_finish(195)

</stderr_txt>
]]>