Task 54987202
| Name | TF_76-77_171-174M_wu_17082_2 |
| Workunit | 49440487 |
| Created | 5 May 2026, 20:01:58 UTC |
| Sent | 5 May 2026, 20:19:10 UTC |
| Report deadline | 11 May 2026, 2:19:10 UTC |
| Received | 8 May 2026, 6:33:06 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 248535 |
| Run time | 7 min 40 sec |
| CPU time | 3 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,768.02 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 145.88 MB |
| Peak swap size | 567.89 MB |
| Peak disk usage | 4.96 MB |
Stderr output
<core_client_version>8.2.11</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
(0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2026-05-07 19:06:01 (28696): wrapper (7.24.26018): starting
2026-05-07 19:06:01 (28696): wrapper: running mfaktc-win-64.exe (-d 0)
2026-05-07 19:06:01 (28696): wrapper: created child process 15372
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 13.2
CUDA device info
name NVIDIA GeForce RTX 4080 SUPER
compute capability 8.9
max threads per block 1024
max shared memory per MP 102400 bytes
number of multiprocessors 80
clock rate (CUDA cores) 2610 MHz
memory clock rate: 11501 MHz
memory bus width: 256 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=172457969 bit_min=76 bit_max=77 (88.74 GHz-days)
Starting trial factoring M172457969 from 2^76 to 2^77 (88.74 GHz-days)
k_min = 219061676775480
k_max = 438123353557030
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
May 07 19:06 | 0 0.1% | 4.101 1h05m | 1947.51 82485 n.a.%
May 07 19:06 | 4 0.2% | 4.104 1h05m | 1946.08 82485 n.a.%
May 07 19:06 | 7 0.3% | 4.106 1h05m | 1945.14 82485 n.a.%
May 07 19:06 | 12 0.4% | 4.105 1h05m | 1945.61 82485 n.a.%
May 07 19:06 | 15 0.5% | 4.106 1h05m | 1945.14 82485 n.a.%
May 07 19:06 | 24 0.6% | 4.103 1h05m | 1946.56 82485 n.a.%
May 07 19:06 | 27 0.7% | 4.103 1h05m | 1946.56 82485 n.a.%
May 07 19:06 | 31 0.8% | 4.107 1h05m | 1944.66 82485 n.a.%
May 07 19:06 | 36 0.9% | 4.104 1h05m | 1946.08 82485 n.a.%
May 07 19:06 | 39 1.0% | 4.103 1h04m | 1946.56 82485 n.a.%
May 07 19:06 | 40 1.1% | 4.103 1h04m | 1946.56 82485 n.a.%
May 07 19:06 | 55 1.2% | 4.104 1h04m | 1946.08 82485 n.a.%
May 07 19:06 | 60 1.4% | 4.102 1h04m | 1947.03 82485 n.a.%
May 07 19:07 | 64 1.5% | 4.105 1h04m | 1945.61 82485 n.a.%
May 07 19:07 | 67 1.6% | 4.103 1h04m | 1946.56 82485 n.a.%
May 07 19:07 | 75 1.7% | 4.104 1h04m | 1946.08 82485 n.a.%
May 07 19:07 | 76 1.8% | 4.109 1h04m | 1943.72 82485 n.a.%
May 07 19:07 | 84 1.9% | 4.106 1h04m | 1945.14 82485 n.a.%
May 07 19:07 | 87 2.0% | 4.106 1h04m | 1945.14 82485 n.a.%
May 07 19:07 | 91 2.1% | 4.105 1h04m | 1945.61 82485 n.a.%
May 07 19:07 | 99 2.2% | 4.104 1h04m | 1946.08 82485 n.a.%
May 07 19:07 | 111 2.3% | 4.102 1h04m | 1947.03 82485 n.a.%
May 07 19:07 | 112 2.4% | 4.103 1h04m | 1946.56 82485 n.a.%
May 07 19:07 | 115 2.5% | 4.106 1h04m | 1945.14 82485 n.a.%
May 07 19:07 | 120 2.6% | 2.934 45m43s | 2722.13 82485 n.a.%
May 07 19:07 | 124 2.7% | 3.391 52m47s | 2355.27 82485 n.a.%
May 07 19:07 | 127 2.8% | 4.112 1h03m | 1942.30 82485 n.a.%
May 07 19:07 | 132 2.9% | 4.108 1h03m | 1944.19 82485 n.a.%
May 07 19:08 | 136 3.0% | 4.111 1h03m | 1942.77 82485 n.a.%
May 07 19:08 | 139 3.1% | 4.108 1h03m | 1944.19 82485 n.a.%
May 07 19:08 | 144 3.2% | 4.115 1h03m | 1940.88 82485 n.a.%
May 07 19:08 | 147 3.3% | 4.095 1h03m | 1950.36 82485 n.a.%
May 07 19:08 | 159 3.4% | 4.111 1h03m | 1942.77 82485 n.a.%
May 07 19:08 | 160 3.5% | 4.110 1h03m | 1943.24 82485 n.a.%
May 07 19:08 | 171 3.6% | 4.114 1h03m | 1941.35 82485 n.a.%
May 07 19:08 | 172 3.8% | 4.117 1h03m | 1939.94 82485 n.a.%
May 07 19:08 | 175 3.9% | 4.112 1h03m | 1942.30 82485 n.a.%
May 07 19:08 | 180 4.0% | 4.099 1h02m | 1948.46 82485 n.a.%
May 07 19:08 | 187 4.1% | 4.109 1h03m | 1943.72 82485 n.a.%
May 07 19:08 | 192 4.2% | 4.118 1h03m | 1939.47 82485 n.a.%
May 07 19:08 | 196 4.3% | 4.107 1h02m | 1944.66 82485 n.a.%
May 07 19:08 | 199 4.4% | 4.101 1h02m | 1947.51 82485 n.a.%
May 07 19:08 | 204 4.5% | 4.101 1h02m | 1947.51 82485 n.a.%
May 07 19:09 | 207 4.6% | 4.119 1h02m | 1939.00 82485 n.a.%
May 07 19:09 | 211 4.7% | 4.110 1h02m | 1943.24 82485 n.a.%
May 07 19:09 | 216 4.8% | 4.107 1h02m | 1944.66 82485 n.a.%
May 07 19:09 | 220 4.9% | 4.117 1h02m | 1939.94 82485 n.a.%
May 07 19:09 | 231 5.0% | 4.115 1h02m | 1940.88 82485 n.a.%
May 07 19:09 | 232 5.1% | 4.108 1h02m | 1944.19 82485 n.a.%
May 07 19:09 | 235 5.2% | 4.103 1h02m | 1946.56 82485 n.a.%
May 07 19:09 | 244 5.3% | 4.108 1h02m | 1944.19 82485 n.a.%
May 07 19:09 | 252 5.4% | 4.105 1h02m | 1945.61 82485 n.a.%
May 07 19:09 | 255 5.5% | 4.107 1h02m | 1944.66 82485 n.a.%
May 07 19:09 | 256 5.6% | 4.088 1h01m | 1953.70 82485 n.a.%
May 07 19:09 | 259 5.7% | 4.104 1h01m | 1946.08 82485 n.a.%
May 07 19:09 | 264 5.8% | 4.107 1h01m | 1944.66 82485 n.a.%
May 07 19:09 | 267 5.9% | 4.108 1h01m | 1944.19 82485 n.a.%
May 07 19:09 | 271 6.0% | 4.111 1h01m | 1942.77 82485 n.a.%
May 07 19:10 | 276 6.1% | 4.108 1h01m | 1944.19 82485 n.a.%
May 07 19:10 | 279 6.2% | 4.102 1h01m | 1947.03 82485 n.a.%
May 07 19:10 | 280 6.4% | 4.102 1h01m | 1947.03 82485 n.a.%
May 07 19:10 | 291 6.5% | 4.113 1h01m | 1941.83 82485 n.a.%
May 07 19:10 | 292 6.6% | 4.110 1h01m | 1943.24 82485 n.a.%
May 07 19:10 | 295 6.7% | 4.106 1h01m | 1945.14 82485 n.a.%
May 07 19:10 | 300 6.8% | 4.111 1h01m | 1942.77 82485 n.a.%
May 07 19:10 | 304 6.9% | 4.103 1h01m | 1946.56 82485 n.a.%
May 07 19:10 | 307 7.0% | 4.107 1h01m | 1944.66 82485 n.a.%
May 07 19:10 | 312 7.1% | 4.105 1h01m | 1945.61 82485 n.a.%
May 07 19:10 | 315 7.2% | 4.103 1h00m | 1946.56 82485 n.a.%
May 07 19:10 | 319 7.3% | 4.109 1h00m | 1943.72 82485 n.a.%
May 07 19:10 | 336 7.4% | 4.104 1h00m | 1946.08 82485 n.a.%
May 07 19:10 | 339 7.5% | 4.104 1h00m | 1946.08 82485 n.a.%
May 07 19:11 | 340 7.6% | 4.108 1h00m | 1944.19 82485 n.a.%
May 07 19:11 | 351 7.7% | 4.105 1h00m | 1945.61 82485 n.a.%
May 07 19:11 | 355 7.8% | 4.110 1h00m | 1943.24 82485 n.a.%
May 07 19:11 | 364 7.9% | 4.109 1h00m | 1943.72 82485 n.a.%
May 07 19:11 | 367 8.0% | 4.103 1h00m | 1946.56 82485 n.a.%
May 07 19:11 | 372 8.1% | 4.109 1h00m | 1943.72 82485 n.a.%
May 07 19:11 | 375 8.2% | 4.115 1h00m | 1940.88 82485 n.a.%
May 07 19:11 | 376 8.3% | 4.104 1h00m | 1946.08 82485 n.a.%
May 07 19:11 | 379 8.4% | 4.104 1h00m | 1946.08 82485 n.a.%
May 07 19:11 | 384 8.5% | 4.103 1h00m | 1946.56 82485 n.a.%
May 07 19:11 | 391 8.6% | 4.105 1h00m | 1945.61 82485 n.a.%
May 07 19:11 | 396 8.8% | 4.109 59m59s | 1943.72 82485 n.a.%
May 07 19:11 | 399 8.9% | 4.112 59m58s | 1942.30 82485 n.a.%
May 07 19:11 | 400 9.0% | 4.105 59m48s | 1945.61 82485 n.a.%
May 07 19:11 | 411 9.1% | 4.107 59m45s | 1944.66 82485 n.a.%
May 07 19:12 | 412 9.2% | 4.109 59m43s | 1943.72 82485 n.a.%
May 07 19:12 | 420 9.3% | 4.111 59m41s | 1942.77 82485 n.a.%
May 07 19:12 | 424 9.4% | 4.110 59m36s | 1943.24 82485 n.a.%
May 07 19:12 | 427 9.5% | 4.105 59m27s | 1945.61 82485 n.a.%
May 07 19:12 | 432 9.6% | 4.111 59m28s | 1942.77 82485 n.a.%
May 07 19:12 | 435 9.7% | 4.107 59m21s | 1944.66 82485 n.a.%
May 07 19:12 | 439 9.8% | 4.108 59m18s | 1944.19 82485 n.a.%
May 07 19:12 | 444 9.9% | 4.103 59m09s | 1946.56 82485 n.a.%
May 07 19:12 | 447 10.0% | 4.111 59m12s | 1942.77 82485 n.a.%
May 07 19:12 | 451 10.1% | 4.108 59m05s | 1944.19 82485 n.a.%
May 07 19:12 | 456 10.2% | 4.114 59m06s | 1941.35 82485 n.a.%
May 07 19:12 | 460 10.3% | 4.104 58m54s | 1946.08 82485 n.a.%
May 07 19:12 | 472 10.4% | 4.103 58m49s | 1946.56 82485 n.a.%
May 07 19:12 | 475 10.5% | 4.102 58m44s | 1947.03 82485 n.a.%
May 07 19:12 | 480 10.6% | 4.101 58m39s | 1947.51 82485 n.a.%
May 07 19:13 | 484 10.7% | 4.105 58m38s | 1945.61 82485 n.a.%
May 07 19:13 | 487 10.8% | 4.107 58m36s | 1944.66 82485 n.a.%
May 07 19:13 | 495 10.9% | 4.105 58m30s | 1945.61 82485 n.a.%
May 07 19:13 | 496 11.0% | 4.106 58m27s | 1945.14 82485 n.a.%
May 07 19:13 | 504 11.1% | 4.105 58m22s | 1945.61 82485 n.a.%
May 07 19:13 | 507 11.2% | 4.113 58m24s | 1941.83 82485 n.a.%
May 07 19:13 | 511 11.4% | 4.111 58m18s | 1942.77 82485 n.a.%
May 07 19:13 | 516 11.5% | 4.105 58m09s | 1945.61 82485 n.a.%
May 07 19:13 | 519 11.6% | 4.107 58m07s | 1944.66 82485 n.a.%
x mod p out of range!! x = 235506, p = 48291, pinv = 89176, r = 187215
May 07 19:13 | 531 11.7% | 3.029 42m49s | 2636.76 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-05-07 19:13:40 (28696): mfaktc-win-64.exe exited; CPU time 3.906250
2026-05-07 19:13:40 (28696): app exit status: 0x1
2026-05-07 19:13:40 (28696): called boinc_finish(195)
</stderr_txt>
]]>
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