Task 56671394
| Name | TF_76-77_164-182M_wu_26191_1 |
| Workunit | 50643315 |
| Created | 19 Jun 2026, 23:06:02 UTC |
| Sent | 19 Jun 2026, 23:11:58 UTC |
| Report deadline | 25 Jun 2026, 23:11:58 UTC |
| Received | 19 Jun 2026, 23:31:16 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 254803 |
| Run time | 1 min 8 sec |
| CPU time | 1 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 865.13 GFLOPS |
| Application version | TF v0.52 (opencl_ati_101) |
| Peak working set size | 180.09 MB |
| Peak swap size | 1,310.53 MB |
| Peak disk usage | 1.36 MB |
Stderr output
<core_client_version>7.24.1</core_client_version>
<![CDATA[
<message>
process exited with code 195 (0xc3, -61)</message>
<stderr_txt>
2026-06-20 02:15:23 (428823): wrapper (7.24.26018): starting
2026-06-20 02:15:23 (428823): wrapper (7.24.26018): starting
2026-06-20 02:15:23 (428823): wrapper: running ./mfakto (-d 0)
2026-06-20 02:15:23 (428823): wrapper: created child process 428825
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 Radeon RX 580 Series (radeonsi, polaris10, ACO, DRM 3.57, 6.8.0-124-generic) (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 580 Series (radeonsi, polaris10, ACO, DRM 3.57, 6.8.0-124-generic) (AMD)
device (driver) version OpenCL 3.0 (25.2.8-0ubuntu0.24.04.2)
maximum threads per block 1024
maximum threads per grid 1073741824
number of multiprocessors 36 (2304 compute elements)
clock rate 1360 MHz
Automatic parameters
threads per grid 0
optimizing kernels for GCN
Compiling kernels.
GPUSievePrimes (adjusted) 81206
GPUsieve minimum exponent 1037054
Started a simple self-test ...
######### test case 1/30 (M1031831[63-64]) #########
######### test case 2/30 (M51332417[68-69]) #########
######### test case 3/30 (M50896831[69-70]) #########
######### test case 4/30 (M50979079[70-71]) #########
######### test case 5/30 (M51232133[71-72]) #########
######### test case 6/30 (M50830523[71-72]) #########
######### test case 7/30 (M50752613[72-73]) #########
######### test case 8/30 (M51507913[72-73]) #########
######### test case 9/30 (M51916901[73-74]) #########
######### test case 10/30 (M51157933[74-75]) #########
######### test case 11/30 (M51308501[75-76]) #########
######### test case 12/30 (M51671491[75-76]) #########
######### test case 13/30 (M50805581[77-78]) #########
######### test case 14/30 (M51157429[78-79]) #########
######### test case 15/30 (M51406151[78-79]) #########
######### test case 16/30 (M51478381[79-80]) #########
######### test case 17/30 (M51350527[80-81]) #########
######### test case 18/30 (M53061139[80-81]) #########
######### test case 19/30 (M48629519[81-82]) #########
######### test case 20/30 (M51752893[83-84]) #########
######### test case 21/30 (M51760133[83-84]) #########
######### test case 22/30 (M51090757[84-85]) #########
######### test case 23/30 (M51050171[84-85]) #########
######### test case 24/30 (M50989481[86-87]) #########
######### test case 25/30 (M50856937[86-87]) #########
######### test case 26/30 (M53065231[88-89]) #########
######### test case 27/30 (M3321929777[63-64]) #########
######### test case 28/30 (M3321930841[63-64]) #########
######### test case 29/30 (M55069117[64-65]) #########
######### test case 30/30 (M45448679[81-82]) #########
Self-test statistics
number of tests 30
successful tests 30
self-test PASSED!
got assignment: exp=181353737 bit_min=76 bit_max=77 (84.39 GHz-days)
Starting trial factoring M181353737 from 2^76 to 2^77 (84.39 GHz-days)
Using GPU kernel "cl_barrett15_82_gs_2"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 20 02:16 | 0 0.1% | 63.391 16h53m | 119.81 81206 0.00%
M181353737 has a factor: 297892586972172587537 (68.013354 bits)
amdgpu: The CS has cancelled because the context is lost. This context is innocent.
2026-06-20 02:16:30 (428823): ./mfakto exited; CPU time 1.480118
2026-06-20 02:16:30 (428823): app exit status: 0x86
2026-06-20 02:16:30 (428823): called boinc_finish(195)
</stderr_txt>
]]>
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