Stderr output

<core_client_version>8.2.13</core_client_version>
<![CDATA[
<message>
process exited with code 195 (0xc3, -61)</message>
<stderr_txt>
2026-05-29 16:02:12 (30328): wrapper (7.24.26018): starting
2026-05-29 16:02:12 (30328): wrapper (7.24.26018): starting
2026-05-29 16:02:12 (30328): wrapper: running ./mfakto (-d 0)
2026-05-29 16:02:12 (30328): wrapper: created child process 30330
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 - 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 TURKS (DRM 2.50.0 / 5.15.208, LLVM 13.0.0) (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 TURKS (DRM 2.50.0 / 5.15.208, LLVM 13.0.0) (AMD)
  device (driver) version   OpenCL 1.1 Mesa 21.3.5 (21.3.5)
  maximum threads per block 256
  maximum threads per grid  16777216
  number of multiprocessors 6 (384 compute elements)
  clock rate                650 MHz

Automatic parameters
  threads per grid          0
  optimizing kernels for    GCN

Compiling kernels.
 
	BUILD OUTPUT
In file included from input.cl:80:
./common.cl:135:6: error: redeclaration of 'popcount' must have the 'overloadable' attribute
/usr/include/clc/integer/unary.inc:1:39: note: previous overload of function is here
/usr/include/clc/integer/popcount.h:1:24: note: expanded from macro '__CLC_FUNCTION'

 	END OF BUILD OUTPUT
Error -11 (Build program failure): clBuildProgram
ERROR: load_kernels(0) failed
2026-05-29 16:02:13 (30328): ./mfakto exited; CPU time 0.224272
2026-05-29 16:02:13 (30328): app exit status: 0x2
2026-05-29 16:02:13 (30328): called boinc_finish(195)

</stderr_txt>
]]>