Task 55783295
| Name | TF_76-77_163-178M_wu_31870_1 |
| Workunit | 50205356 |
| Created | 1 Jun 2026, 1:08:03 UTC |
| Sent | 1 Jun 2026, 1:30:43 UTC |
| Report deadline | 7 Jun 2026, 1:30:43 UTC |
| Received | 5 Jun 2026, 21:57:52 UTC |
| Server state | Over |
| Outcome | Computation error |
| Client state | Compute error |
| Exit status | 195 (0xc3) EXIT_CHILD_FAILED |
| Computer ID | 248535 |
| Run time | 3 min 47 sec |
| CPU time | 6 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,767.82 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 146.12 MB |
| Peak swap size | 567.96 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>
2026-06-06 00:41:59 (38692): wrapper (7.24.26018): starting
2026-06-06 00:41:59 (38692): wrapper: running mfaktc-win-64.exe (-d 0)
2026-06-06 00:41:59 (38692): wrapper: created child process 42188
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=177707927 bit_min=76 bit_max=77 (86.12 GHz-days)
Starting trial factoring M177707927 from 2^76 to 2^77 (86.12 GHz-days)
k_min = 212590020604500
k_max = 425180041213998
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
Jun 06 00:42 | 0 0.1% | 4.187 1h06m | 1851.15 82485 n.a.%
Jun 06 00:42 | 4 0.2% | 4.179 1h06m | 1854.70 82485 n.a.%
Jun 06 00:42 | 12 0.3% | 4.162 1h06m | 1862.27 82485 n.a.%
Jun 06 00:42 | 13 0.4% | 4.185 1h06m | 1852.04 82485 n.a.%
Jun 06 00:42 | 24 0.5% | 4.179 1h06m | 1854.70 82485 n.a.%
Jun 06 00:42 | 25 0.6% | 4.172 1h06m | 1857.81 82485 n.a.%
Jun 06 00:42 | 28 0.7% | 4.159 1h06m | 1863.62 82485 n.a.%
Jun 06 00:42 | 33 0.8% | 4.190 1h06m | 1849.83 82485 n.a.%
Jun 06 00:42 | 40 0.9% | 4.181 1h06m | 1853.81 82485 n.a.%
Jun 06 00:42 | 45 1.0% | 4.171 1h06m | 1858.26 82485 n.a.%
Jun 06 00:42 | 48 1.1% | 4.171 1h05m | 1858.26 82485 n.a.%
Jun 06 00:42 | 52 1.2% | 4.183 1h06m | 1852.92 82485 n.a.%
Jun 06 00:42 | 57 1.4% | 2.687 42m25s | 2884.55 82485 n.a.%
Jun 06 00:42 | 64 1.5% | 3.954 1h02m | 1960.24 82485 n.a.%
Jun 06 00:43 | 69 1.6% | 4.181 1h05m | 1853.81 82485 n.a.%
Jun 06 00:43 | 73 1.7% | 4.181 1h05m | 1853.81 82485 n.a.%
Jun 06 00:43 | 84 1.8% | 4.192 1h05m | 1848.95 82485 n.a.%
Jun 06 00:43 | 85 1.9% | 4.189 1h05m | 1850.27 82485 n.a.%
Jun 06 00:43 | 88 2.0% | 4.185 1h05m | 1852.04 82485 n.a.%
Jun 06 00:43 | 97 2.1% | 4.177 1h05m | 1855.59 82485 n.a.%
Jun 06 00:43 | 105 2.2% | 4.185 1h05m | 1852.04 82485 n.a.%
Jun 06 00:43 | 108 2.3% | 4.184 1h05m | 1852.48 82485 n.a.%
Jun 06 00:43 | 109 2.4% | 4.209 1h05m | 1841.48 82485 n.a.%
Jun 06 00:43 | 112 2.5% | 4.185 1h05m | 1852.04 82485 n.a.%
Jun 06 00:43 | 117 2.6% | 4.195 1h05m | 1847.62 82485 n.a.%
Jun 06 00:43 | 120 2.7% | 4.184 1h05m | 1852.48 82485 n.a.%
Jun 06 00:43 | 124 2.8% | 4.190 1h05m | 1849.83 82485 n.a.%
Jun 06 00:43 | 129 2.9% | 4.182 1h04m | 1853.37 82485 n.a.%
Jun 06 00:44 | 132 3.0% | 4.183 1h04m | 1852.92 82485 n.a.%
Jun 06 00:44 | 133 3.1% | 4.191 1h04m | 1849.39 82485 n.a.%
Jun 06 00:44 | 144 3.2% | 4.183 1h04m | 1852.92 82485 n.a.%
Jun 06 00:44 | 145 3.3% | 4.190 1h04m | 1849.83 82485 n.a.%
Jun 06 00:44 | 153 3.4% | 4.186 1h04m | 1851.60 82485 n.a.%
Jun 06 00:44 | 157 3.5% | 4.190 1h04m | 1849.83 82485 n.a.%
Jun 06 00:44 | 160 3.6% | 4.183 1h04m | 1852.92 82485 n.a.%
Jun 06 00:44 | 165 3.8% | 4.188 1h04m | 1850.71 82485 n.a.%
Jun 06 00:44 | 168 3.9% | 4.182 1h04m | 1853.37 82485 n.a.%
Jun 06 00:44 | 169 4.0% | 4.189 1h04m | 1850.27 82485 n.a.%
Jun 06 00:44 | 172 4.1% | 4.187 1h04m | 1851.15 82485 n.a.%
Jun 06 00:44 | 180 4.2% | 4.186 1h04m | 1851.60 82485 n.a.%
Jun 06 00:44 | 189 4.3% | 4.179 1h04m | 1854.70 82485 n.a.%
Jun 06 00:44 | 193 4.4% | 4.186 1h04m | 1851.60 82485 n.a.%
Jun 06 00:44 | 204 4.5% | 4.185 1h03m | 1852.04 82485 n.a.%
Jun 06 00:45 | 208 4.6% | 4.179 1h03m | 1854.70 82485 n.a.%
Jun 06 00:45 | 213 4.7% | 4.194 1h03m | 1848.06 82485 n.a.%
Jun 06 00:45 | 217 4.8% | 4.185 1h03m | 1852.04 82485 n.a.%
Jun 06 00:45 | 220 4.9% | 4.191 1h03m | 1849.39 82485 n.a.%
Jun 06 00:45 | 228 5.0% | 4.190 1h03m | 1849.83 82485 n.a.%
Jun 06 00:45 | 229 5.1% | 4.187 1h03m | 1851.15 82485 n.a.%
Jun 06 00:45 | 232 5.2% | 4.182 1h03m | 1853.37 82485 n.a.%
Jun 06 00:45 | 237 5.3% | 4.181 1h03m | 1853.81 82485 n.a.%
Jun 06 00:45 | 244 5.4% | 4.191 1h03m | 1849.39 82485 n.a.%
Jun 06 00:45 | 249 5.5% | 4.187 1h03m | 1851.15 82485 n.a.%
x mod p out of range!! x = 937324, p = 61071, pinv = 70476, r = 876253
Jun 06 00:45 | 252 5.6% | 1.926 29m05s | 4024.29 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-06-06 00:45:44 (38692): mfaktc-win-64.exe exited; CPU time 6.046875
2026-06-06 00:45:44 (38692): app exit status: 0x1
2026-06-06 00:45:44 (38692): called boinc_finish(195)
</stderr_txt>
]]>
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