Task 56674196
| Name | TF_76-77_178-179M_wu_6227_2 |
| Workunit | 50602904 |
| Created | 20 Jun 2026, 6:43:29 UTC |
| Sent | 20 Jun 2026, 6:58:22 UTC |
| Report deadline | 26 Jun 2026, 6:58:22 UTC |
| Received | 20 Jun 2026, 7:08:53 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 225596 |
| Run time | 55 sec |
| CPU time |
|
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 1,022.41 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 112.34 MB |
| Peak swap size | 273.82 MB |
| Peak disk usage | 4.95 MB |
Stderr output
<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-06-20 16:59:40 (4740): wrapper (7.24.26018): starting
2026-06-20 16:59:40 (4740): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-20 16:59:40 (4740): wrapper: created child process 9020
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.0
CUDA device info
name NVIDIA GeForce GTX 1060 6GB
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 10
clock rate (CUDA cores) 1809 MHz
memory clock rate: 4004 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=178957391 bit_min=76 bit_max=77 (85.52 GHz-days)
Starting trial factoring M178957391 from 2^76 to 2^77 (85.52 GHz-days)
k_min = 211105736688000
k_max = 422211473377561
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 20 16:59 | 0 0.1% | 12.924 3h26m | 595.53 82485 n.a.%
Jun 20 17:00 | 1 0.2% | 12.968 3h27m | 593.51 82485 n.a.%
Jun 20 17:00 | 4 0.3% | 13.035 3h27m | 590.46 82485 n.a.%
Jun 20 17:00 | 9 0.4% | 13.065 3h28m | 589.11 82485 n.a.%
Jun 20 17:00 | 16 0.5% | 13.104 3h28m | 587.35 82485 n.a.%
Jun 20 17:00 | 21 0.6% | 13.139 3h28m | 585.79 82485 n.a.%
Jun 20 17:01 | 25 0.7% | 13.231 3h30m | 581.71 82485 n.a.%
Jun 20 17:01 | 28 0.8% | 13.244 3h30m | 581.14 82485 n.a.%
Jun 20 17:01 | 33 0.9% | 13.247 3h29m | 581.01 82485 n.a.%
2026-06-20 17:03:19 (9116): wrapper (7.24.26018): starting
2026-06-20 17:03:19 (9116): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-20 17:03:19 (9116): wrapper: created child process 4724
mfaktc v0.24.0 (64-bit build)
Compile-time options
THREADS_PER_BLOCK 256
SIEVE_SIZE_LIMIT 32 kiB
SIEVE_SIZE 193154 bits
SIEVE_SPLIT 250
MORE_CLASSES enabled
Runtime options
SievePrimes 25000
SievePrimesAdjust 1
SievePrimesMin 5000
SievePrimesMax 100000
NumStreams 3
CPUStreams 3
GridSize 3
GPU sieving enabled
GPUSievePrimes 82486
GPUSieveSize 512 Mib
GPUSieveProcessSize 16 Kib
Checkpoints enabled
CheckpointDelay 60 s
WorkFileAddDelay 600 s
Stages disabled
StopAfterFactor bit level
PrintMode compact
Logging disabled
V5UserID (none)
ComputerID (none)
AllowSleep yes
Warning: Cannot read LegacyResultsTxt from mfaktc.ini, set to 0 by default
LegacyResultsTxt no
TimeStampInResults no
Warning: Cannot read TimestampOnSameLine from mfaktc.ini, set to 0 by default
TimestampOnSameLine no
Warning: Cannot read ResultsFileTimestampInterval from mfaktc.ini, set to 1 by default
CUDA version info
binary compiled for CUDA 12.8
CUDA runtime version 12.8
CUDA driver version 13.0
CUDA device info
name NVIDIA GeForce GTX 1060 6GB
compute capability 6.1
max threads per block 1024
max shared memory per MP 98304 bytes
number of multiprocessors 10
clock rate (CUDA cores) 1809 MHz
memory clock rate: 4004 MHz
memory bus width: 192 bits
Automatic parameters
threads per grid 655360
GPUSievePrimes (adjusted) 82486
GPUsieve minimum exponent 1055144
running a simple self-test...
Self-test statistics
number of tests 104
successful tests 104
self-test PASSED!
got assignment: exp=178957391 bit_min=76 bit_max=77 (85.52 GHz-days)
Starting trial factoring M178957391 from 2^76 to 2^77 (85.52 GHz-days)
k_min = 211105736688000
k_max = 422211473377561
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 20 17:03 | 0 0.1% | 13.087 3h29m | 588.12 82485 n.a.%
Jun 20 17:03 | 1 0.2% | 13.111 3h29m | 587.04 82485 n.a.%
Jun 20 17:04 | 4 0.3% | 13.276 3h31m | 579.74 82485 n.a.%
Jun 20 17:04 | 9 0.4% | 13.261 3h31m | 580.40 82485 n.a.%
Jun 20 17:04 | 16 0.5% | 0.050 n.a. | 153933.33 82485 n.a.%
ERROR: cudaGetLastError() returned 716: misaligned address
2026-06-20 17:04:13 (9116): mfaktc-win-64.exe exited; CPU time 0.984375
2026-06-20 17:04:13 (9116): app exit status: 0x1
2026-06-20 17:04:13 (9116): called boinc_finish(195)
</stderr_txt>
]]>
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