All,
I repeated the build once again, and did not encounter this problem. I was 
able to successfully build all of opencog and also telnet to the cogserver. 
So, looks like the docker images are good-to-go.

On Friday, October 28, 2016 at 8:33:52 AM UTC-4, Apil Tamang wrote:
>
> Hey all, I finally got the docker-compose command to work, thus getting 
> the opencog-dev:cli image up and running (see OpenCog's Readme 
> <https://github.com/opencog/docker/blob/master/opencog/README.md>). 
> However, encountered another glitch while building the actual opencog 
> system. I believe it was towards the end that I got a fatal error which got 
> the command "*/tmp/octool -bi" *to exit with the following:
>
> *[octool] Finished building source*
>
> *[octool] Source Directory is set to /opencog*
>
> *[octool] Build Directory is set to /opencog/build*
>
> *[octool] Starting installation*
>
> [  1%] Built target blopex
>
> [  2%] Built target serial_driver
>
> [  4%] Built target dimensionalembedding
>
> [  4%] Built target statistics
>
> [  4%] Built target embodiment_atom_types
>
> [  5%] Built target spacetime_atom_types
>
> [  9%] Built target PatternMiner
>
> [  9%] Built target DistributedPatternMinerClient
>
> [ 11%] Built target DistributedPatternMinerServer
>
> [ 11%] Built target TestPatternMinerAgent
>
> [ 13%] Built target cogita
>
> [ 15%] Built target nlp_atom_types
>
> [ 16%] Built target nlp-types
>
> [ 26%] Built target wsd
>
> [ 27%] Built target nlpfz
>
> [ 29%] Built target lg-dict
>
> [ 30%] Built target sureal
>
> [ 30%] Built target viterbi_atom_types
>
> [ 31%] Built target viterbi
>
> [ 33%] Built target py-shell
>
> [ 34%] Built target PersistModule
>
> [ 40%] Built target server
>
> [ 43%] Built target scheme-shell
>
> [ 48%] Built target builtinreqs
>
> [ 48%] Built target cogserver
>
> [ 50%] Built target guile-cogserver
>
> [ 51%] Built target LGDictModule
>
> [ 51%] Built target PersistZmqModule
>
> [ 51%] Built target QueryModule
>
> [ 52%] Built target RuleEngineModule
>
> [ 52%] Built target SuRealModule
>
> [ 52%] Built target attention_atom_types
>
> [ 54%] Built target benchmark
>
> [ 55%] Built target agent_finder
>
> [ 56%] Built target PythonModule
>
> [ 56%] Built target attention-types
>
> [ 65%] Built target attention
>
> [ 65%] Built target spacetime-types
>
> [ 77%] Built target SpaceMap
>
> [ 84%] Built target spacetime
>
> [ 86%] Built target AStar
>
> [ 87%] Built target HPASearch
>
> [ 87%] Built target SpaceMapUtil
>
> [ 87%] Built target PathFinder3D
>
> [ 88%] Built target TangentBug
>
> [ 88%] Built target astartest
>
> [ 90%] Built target tangentbug_test
>
> [ 91%] Built target time_octomap
>
> [ 91%] Built target point_memory
>
> [ 93%] Built target cogserver_cython
>
> [ 94%] Built target embodiment-types
>
> [ 95%] Built target cogserver_type_constructors
>
> [ 97%] Built target spacetime_cython
>
> [ 98%] Built target spatial_cython
>
> [100%] Built target statistics_cython
>
> [100%] Built target dotty
>
> [100%] Built target adaptor-tulip
>
> *Linking CXX shared library 
> CMakeFiles/CMakeRelink.dir/libdimensionalembedding.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libstatistics.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libnlp-types.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libwsd.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libnlpfz.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/liblg-dict.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libsureal.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libviterbi.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libpy-shell.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libscheme-shell.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libbuiltinreqs.so*
>
> *Linking CXX executable CMakeFiles/CMakeRelink.dir/cogserver*
>
> *Linking CXX shared library 
> CMakeFiles/CMakeRelink.dir/libguile-cogserver.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libserver.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libLGDictModule.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libPersistModule.so*
>
> *Linking CXX shared library 
> CMakeFiles/CMakeRelink.dir/libPersistZmqModule.so*
>
> *Linking CXX shared library CMakeFiles/CMakeRelink.dir/libQueryModule.so*
>
> *Linking CXX shared library 
> CMakeFiles/CMakeRelink.dir/libRuleEngineModule.so*
>
> *ccache: FATAL: x_realloc: Could not allocate 17179869184 bytes*
>
> Error running link command: Segmentation fault
>
> make[2]: *** 
> [opencog/cogserver/modules/CMakeFiles/CMakeRelink.dir/libRuleEngineModule.so] 
> Error 1
>
> make[1]: *** 
> [opencog/cogserver/modules/CMakeFiles/RuleEngineModule.dir/preinstall] 
> Error 2
>
> make: *** [preinstall] Error 2
>
> If I'm calculating it right, this is ~17 GBs of data, no !! Did this error 
> happen because the docker container could not access all this space to 
> store the ccache output? OR, is it because I didn't have enough RAM to 
> handle this. I highly doubt the latter, but I couldn't be sure.
>
> I haven't exactly delved into the depth of how docker containers get 
> assigned volume spaces, but it seems like the output of CCACHE is stored in 
> a shared volume (i.e. shared space on the host OS), thus having no 
> restrictions. Might this issue have a different cause to it? If someone 
> found an elegant way to get around this, please consider letting know.
>
> Thanks..
>
>

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