Task 54524063
| Name | TF_76-77_171-174M_wu_17258_0 |
| Workunit | 49440663 |
| Created | 3 May 2026, 7:26:54 UTC |
| Sent | 5 May 2026, 20:19:03 UTC |
| Report deadline | 11 May 2026, 2:19:03 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 | 6 min 2 sec |
| CPU time | 2 sec |
| Validate state | Invalid |
| Credit | 0.00 |
| Device peak FLOPS | 11,768.02 GFLOPS |
| Application version | TF v0.49 (cuda128) |
| Peak working set size | 145.90 MB |
| Peak swap size | 569.02 MB |
| Peak disk usage | 4.95 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 14:03:48 (25144): wrapper (7.24.26018): starting
2026-05-07 14:03:48 (25144): wrapper: running mfaktc-win-64.exe (-d 0)
2026-05-07 14:03:48 (25144): wrapper: created child process 30636
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=172466867 bit_min=76 bit_max=77 (88.74 GHz-days)
Starting trial factoring M172466867 from 2^76 to 2^77 (88.74 GHz-days)
k_min = 219050374832520
k_max = 438100749669873
Using GPU kernel "barrett87_mul32_gs"
Date Time | class Pct | time ETA | GHz-d/day Sieve Wait
May 07 14:03 | 0 0.1% | 4.063 1h04m | 1965.62 82485 n.a.%
May 07 14:03 | 9 0.2% | 4.084 1h05m | 1955.51 82485 n.a.%
May 07 14:04 | 12 0.3% | 4.084 1h05m | 1955.51 82485 n.a.%
May 07 14:04 | 13 0.4% | 4.061 1h04m | 1966.59 82485 n.a.%
May 07 14:04 | 24 0.5% | 4.095 1h05m | 1950.26 82485 n.a.%
May 07 14:04 | 28 0.6% | 4.084 1h04m | 1955.51 82485 n.a.%
May 07 14:04 | 33 0.7% | 4.057 1h04m | 1968.53 82485 n.a.%
May 07 14:04 | 37 0.8% | 4.087 1h04m | 1954.08 82485 n.a.%
May 07 14:04 | 40 0.9% | 4.098 1h04m | 1948.83 82485 n.a.%
May 07 14:04 | 45 1.0% | 4.079 1h04m | 1957.91 82485 n.a.%
May 07 14:04 | 48 1.1% | 4.078 1h04m | 1958.39 82485 n.a.%
May 07 14:04 | 52 1.2% | 4.087 1h04m | 1954.08 82485 n.a.%
May 07 14:04 | 57 1.4% | 4.062 1h04m | 1966.11 82485 n.a.%
May 07 14:04 | 64 1.5% | 4.087 1h04m | 1954.08 82485 n.a.%
May 07 14:04 | 69 1.6% | 4.067 1h04m | 1963.69 82485 n.a.%
May 07 14:04 | 72 1.7% | 4.090 1h04m | 1952.65 82485 n.a.%
May 07 14:04 | 73 1.8% | 4.059 1h03m | 1967.56 82485 n.a.%
May 07 14:05 | 84 1.9% | 4.086 1h04m | 1954.56 82485 n.a.%
May 07 14:05 | 85 2.0% | 4.055 1h03m | 1969.50 82485 n.a.%
May 07 14:05 | 97 2.1% | 4.075 1h03m | 1959.83 82485 n.a.%
May 07 14:05 | 100 2.2% | 4.057 1h03m | 1968.53 82485 n.a.%
May 07 14:05 | 105 2.3% | 4.058 1h03m | 1968.04 82485 n.a.%
May 07 14:05 | 108 2.4% | 4.077 1h03m | 1958.87 82485 n.a.%
May 07 14:05 | 112 2.5% | 4.066 1h03m | 1964.17 82485 n.a.%
May 07 14:05 | 117 2.6% | 4.054 1h03m | 1969.98 82485 n.a.%
May 07 14:05 | 120 2.7% | 4.045 1h02m | 1974.37 82485 n.a.%
May 07 14:05 | 124 2.8% | 4.079 1h03m | 1957.91 82485 n.a.%
May 07 14:05 | 129 2.9% | 4.057 1h03m | 1968.53 82485 n.a.%
May 07 14:05 | 132 3.0% | 4.054 1h02m | 1969.98 82485 n.a.%
May 07 14:05 | 133 3.1% | 4.058 1h02m | 1968.04 82485 n.a.%
May 07 14:05 | 145 3.2% | 4.054 1h02m | 1969.98 82485 n.a.%
May 07 14:05 | 153 3.3% | 4.075 1h03m | 1959.83 82485 n.a.%
May 07 14:06 | 157 3.4% | 4.053 1h02m | 1970.47 82485 n.a.%
May 07 14:06 | 160 3.5% | 4.056 1h02m | 1969.01 82485 n.a.%
May 07 14:06 | 168 3.6% | 4.051 1h02m | 1971.44 82485 n.a.%
May 07 14:06 | 169 3.8% | 4.054 1h02m | 1969.98 82485 n.a.%
May 07 14:06 | 177 3.9% | 4.065 1h02m | 1964.65 82485 n.a.%
May 07 14:06 | 180 4.0% | 4.060 1h02m | 1967.07 82485 n.a.%
May 07 14:06 | 184 4.1% | 4.050 1h02m | 1971.93 82485 n.a.%
May 07 14:06 | 189 4.2% | 4.069 1h02m | 1962.72 82485 n.a.%
May 07 14:06 | 204 4.3% | 4.060 1h02m | 1967.07 82485 n.a.%
May 07 14:06 | 205 4.4% | 4.047 1h01m | 1973.39 82485 n.a.%
May 07 14:06 | 208 4.5% | 4.072 1h02m | 1961.28 82485 n.a.%
May 07 14:06 | 213 4.6% | 4.054 1h01m | 1969.98 82485 n.a.%
May 07 14:06 | 217 4.7% | 4.070 1h02m | 1962.24 82485 n.a.%
May 07 14:06 | 220 4.8% | 4.077 1h02m | 1958.87 82485 n.a.%
May 07 14:07 | 229 4.9% | 4.061 1h01m | 1966.59 82485 n.a.%
May 07 14:07 | 232 5.0% | 4.067 1h01m | 1963.69 82485 n.a.%
May 07 14:07 | 237 5.1% | 4.082 1h01m | 1956.47 82485 n.a.%
May 07 14:07 | 240 5.2% | 4.063 1h01m | 1965.62 82485 n.a.%
May 07 14:07 | 244 5.3% | 4.065 1h01m | 1964.65 82485 n.a.%
May 07 14:07 | 252 5.4% | 4.053 1h01m | 1970.47 82485 n.a.%
May 07 14:07 | 253 5.5% | 4.074 1h01m | 1960.31 82485 n.a.%
May 07 14:07 | 264 5.6% | 4.054 1h01m | 1969.98 82485 n.a.%
May 07 14:07 | 265 5.7% | 4.050 1h01m | 1971.93 82485 n.a.%
May 07 14:07 | 268 5.8% | 4.065 1h01m | 1964.65 82485 n.a.%
May 07 14:07 | 273 5.9% | 4.050 1h00m | 1971.93 82485 n.a.%
May 07 14:07 | 285 6.0% | 4.054 1h00m | 1969.98 82485 n.a.%
May 07 14:07 | 288 6.1% | 4.057 1h00m | 1968.53 82485 n.a.%
May 07 14:07 | 289 6.2% | 4.055 1h00m | 1969.50 82485 n.a.%
May 07 14:07 | 292 6.4% | 4.066 1h00m | 1964.17 82485 n.a.%
May 07 14:08 | 297 6.5% | 4.082 1h01m | 1956.47 82485 n.a.%
May 07 14:08 | 300 6.6% | 4.063 1h00m | 1965.62 82485 n.a.%
May 07 14:08 | 304 6.7% | 4.050 1h00m | 1971.93 82485 n.a.%
May 07 14:08 | 309 6.8% | 4.067 1h00m | 1963.69 82485 n.a.%
May 07 14:08 | 325 6.9% | 4.073 1h00m | 1960.80 82485 n.a.%
May 07 14:08 | 328 7.0% | 4.061 1h00m | 1966.59 82485 n.a.%
May 07 14:08 | 337 7.1% | 4.060 1h00m | 1967.07 82485 n.a.%
May 07 14:08 | 345 7.2% | 4.073 1h00m | 1960.80 82485 n.a.%
May 07 14:08 | 348 7.3% | 4.042 59m57s | 1975.83 82485 n.a.%
May 07 14:08 | 349 7.4% | 4.061 1h00m | 1966.59 82485 n.a.%
May 07 14:08 | 352 7.5% | 4.065 1h00m | 1964.65 82485 n.a.%
May 07 14:08 | 360 7.6% | 4.061 1h00m | 1966.59 82485 n.a.%
May 07 14:08 | 364 7.7% | 4.057 59m55s | 1968.53 82485 n.a.%
May 07 14:08 | 369 7.8% | 4.065 59m58s | 1964.65 82485 n.a.%
May 07 14:08 | 372 7.9% | 4.071 59m59s | 1961.76 82485 n.a.%
May 07 14:09 | 373 8.0% | 4.046 59m33s | 1973.88 82485 n.a.%
May 07 14:09 | 384 8.1% | 4.079 59m58s | 1957.91 82485 n.a.%
May 07 14:09 | 385 8.2% | 4.067 59m43s | 1963.69 82485 n.a.%
May 07 14:09 | 388 8.3% | 4.052 59m26s | 1970.96 82485 n.a.%
May 07 14:09 | 393 8.4% | 4.081 59m47s | 1956.95 82485 n.a.%
May 07 14:09 | 397 8.5% | 4.059 59m24s | 1967.56 82485 n.a.%
May 07 14:09 | 400 8.6% | 4.061 59m21s | 1966.59 82485 n.a.%
May 07 14:09 | 405 8.8% | 4.069 59m24s | 1962.72 82485 n.a.%
May 07 14:09 | 408 8.9% | 4.074 59m25s | 1960.31 82485 n.a.%
May 07 14:09 | 409 9.0% | 4.080 59m26s | 1957.43 82485 n.a.%
May 07 14:09 | 420 9.1% | 4.067 59m10s | 1963.69 82485 n.a.%
May 07 14:09 | 429 9.2% | 4.067 59m06s | 1963.69 82485 n.a.%
x mod p out of range!! x = 907307, p = 41371, pinv = 104139, r = 865936
May 07 14:09 | 432 9.3% | 1.486 21m34s | 5374.37 82485 n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2026-05-07 14:09:49 (25144): mfaktc-win-64.exe exited; CPU time 2.796875
2026-05-07 14:09:49 (25144): app exit status: 0x1
2026-05-07 14:09:49 (25144): called boinc_finish(195)
</stderr_txt>
]]>
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