Stderr output

<core_client_version>7.20.2</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-09-18 15:17:47 (5488): wrapper (7.24.26018): starting
2026-09-18 15:17:47 (5488): wrapper: running mfakto.exe (-d 0)
2026-09-18 15:17:47 (5488): wrapper: created child process 13928
mfakto 0.15pre7-MGW (64bit build)


Runtime options
  Inifile                   mfakto.ini
  Verbosity                 1
  SieveOnGPU                yes
  MoreClasses               yes
  GPUSievePrimes            82486
  GPUSieveProcessSize       24 Kib
  GPUSieveSize              96 Mib
  FlushInterval             8
  WorkFile                  worktodo.txt
  ResultsFile               results.txt
  Checkpoints               enabled
  CheckpointDelay           120 s
  Stages                    enabled
  StopAfterFactor           class
  PrintMode                 compact
  V5UserID                  none
  ComputerID                none
  TimeStampInResults        no
  VectorSize                2
  GPUType                   AUTO
  SmallExp                  no
  UseBinfile                mfakto_Kernels.elf
Compiletime options

Select device - Get device info:
WARNING: Unknown GPU name, assuming GCN. Please post the device name "gfx1150 (Advanced Micro Devices, Inc.)" to http://www.mersenneforum.org/showthread.php?t=15646 to have it added to mfakto. Set GPUType in mfakto.ini to select a GPU type yourself to avoid this warning.

OpenCL device info
  name                      gfx1150 (Advanced Micro Devices, Inc.)
  device (driver) version   OpenCL 2.0 AMD-APP (3652.0) (3652.0 (PAL,LC))
  maximum threads per block 1024
  maximum threads per grid  1073741824
  number of multiprocessors 8 (512 compute elements)
  clock rate                2900 MHz

Automatic parameters
  threads per grid          0
  optimizing kernels for    GCN

Compiling kernels.
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144
Started a simple selftest ...
######### testcase 1/30 (M1031831[63-64]) #########
######### testcase 2/30 (M51332417[68-69]) #########
ERROR: selftest failed for M51332417 (cl_barrett15_69_gs)
  no factor found
######### testcase 3/30 (M50896831[69-70]) #########
ERROR: selftest failed for M50896831 (cl_barrett15_71_gs)
  no factor found
######### testcase 4/30 (M50979079[70-71]) #########
ERROR: selftest failed for M50979079 (cl_barrett15_73_gs)
  no factor found
######### testcase 5/30 (M51232133[71-72]) #########
ERROR: selftest failed for M51232133 (cl_barrett15_73_gs)
  no factor found
######### testcase 6/30 (M50830523[71-72]) #########
ERROR: selftest failed for M50830523 (cl_barrett15_73_gs)
  no factor found
######### testcase 7/30 (M50752613[72-73]) #########
ERROR: selftest failed for M50752613 (cl_barrett15_73_gs)
  no factor found
######### testcase 8/30 (M51507913[72-73]) #########
ERROR: selftest failed for M51507913 (cl_barrett15_73_gs)
  no factor found
######### testcase 9/30 (M51916901[73-74]) #########
ERROR: selftest failed for M51916901 (cl_barrett15_74_gs)
  no factor found
######### testcase 10/30 (M51157933[74-75]) #########
ERROR: selftest failed for M51157933 (cl_barrett15_82_gs)
  no factor found
######### testcase 11/30 (M51308501[75-76]) #########
ERROR: selftest failed for M51308501 (cl_barrett15_82_gs)
  no factor found
######### testcase 12/30 (M51671491[75-76]) #########
ERROR: selftest failed for M51671491 (cl_barrett15_82_gs)
  no factor found
######### testcase 13/30 (M50805581[77-78]) #########
ERROR: selftest failed for M50805581 (cl_barrett15_82_gs)
  no factor found
######### testcase 14/30 (M51157429[78-79]) #########
ERROR: selftest failed for M51157429 (cl_barrett15_82_gs)
  no factor found
######### testcase 15/30 (M51406151[78-79]) #########
ERROR: selftest failed for M51406151 (cl_barrett15_82_gs)
  no factor found
######### testcase 16/30 (M51478381[79-80]) #########
ERROR: selftest failed for M51478381 (cl_barrett15_82_gs)
  no factor found
######### testcase 17/30 (M51350527[80-81]) #########
ERROR: selftest failed for M51350527 (cl_barrett15_82_gs)
  no factor found
######### testcase 18/30 (M53061139[80-81]) #########
ERROR: selftest failed for M53061139 (cl_barrett15_82_gs)
  no factor found
######### testcase 19/30 (M48629519[81-82]) #########
ERROR: selftest failed for M48629519 (cl_barrett15_83_gs)
  no factor found
######### testcase 20/30 (M51752893[83-84]) #########
######### testcase 21/30 (M51760133[83-84]) #########
######### testcase 22/30 (M51090757[84-85]) #########
######### testcase 23/30 (M51050171[84-85]) #########
######### testcase 24/30 (M50989481[86-87]) #########
######### testcase 25/30 (M50856937[86-87]) #########
######### testcase 26/30 (M53065231[88-89]) #########
######### testcase 27/30 (M3321929777[63-64]) #########
######### testcase 28/30 (M3321930841[63-64]) #########
######### testcase 29/30 (M55069117[64-65]) #########
ERROR: selftest failed for M55069117 (cl_barrett15_69_gs)
  no factor found
######### testcase 30/30 (M45448679[81-82]) #########
ERROR: selftest failed for M45448679 (cl_barrett15_83_gs)
  no factor found
Selftest statistics                                    
  number of tests           30
  successful tests          10
  no factor found           20

selftest FAILED!

2026-09-18 15:17:50 (5488): mfakto.exe exited; CPU time 0.000000
2026-09-18 15:17:50 (5488): app exit status: 0x4
2026-09-18 15:17:50 (5488): called boinc_finish(195)

</stderr_txt>
]]>