Ah yes, sorry but I am the same person who posted this issue ^ ^b

So far I have a dirty solution: add below code at the beginning of require 
function in load.jl and re-compile it:

    if ismatch(r"^\w+$",name) && isdefined(parse(name))
        return nothing
    end

Everything seems goes fine now... Hope it won't have any serious 
side-effect...
I think as a Julia user, it is more valuable to make package-loading faster 
than make it always updated. The package loading time is a bottle-neck of 
improving user-experience right now. I quite support the precompile 
function.

On Friday, November 7, 2014 5:34:27 PM UTC+1, Ivar Nesje wrote:
>
> https://github.com/lgautier/Rif.jl/issues/40 Seems relevant.
>
> kl. 16:54:10 UTC+1 fredag 7. november 2014 skrev [email protected] 
> følgende:
>>
>> Actually it is not what I want, but require function is used in the code 
>> of other packages. I noted this problem when I failed to load Rif package 
>> after I precompiled Gadfly package. The Rif package can not be loaded since 
>> it "requires" DataFrames package, which is alreally precompiled along with 
>> Gadfly package. So, if require function just do nothing about any 
>> precompiled package, everything will be fine.
>>
>> On Friday, November 7, 2014 4:33:22 PM UTC+1, Tim Holy wrote:
>>>
>>> Out of curiosity, why do you want to do this? Once you've got the module 
>>> available, I would think you'd just refer to it by module name? 
>>>
>>> --Tim 
>>>
>>> On Friday, November 07, 2014 06:25:55 AM [email protected] wrote: 
>>> > Can you require a pre-compiled package in your Julia? If yes, could 
>>> you 
>>> > please tell me your version? Thanks! 
>>> > 
>>> > On Friday, November 7, 2014 3:10:15 PM UTC+1, [email protected] 
>>> wrote: 
>>> > > After I precompiled a package in userimg.jl, require("Package_name") 
>>> is 
>>> > > always blocked without any response. But "using" and "import" the 
>>> package 
>>> > > works fine. That's weired. 
>>> > > 
>>> > > If I interrupt require-ing package by Ctrl-C, the breaking point 
>>> always 
>>> > > be: 
>>> > > 
>>> > > julia> require("DataFrames") 
>>> > > ^CERROR: interrupt 
>>> > > 
>>> > >  in wait at ./task.jl:277 
>>> > >  in wait at ./task.jl:194 
>>> > >  in wait_full at ./multi.jl:602 
>>> > >  in wait_ref at ./multi.jl:755 
>>> > >  in wait_ref_3B_7574 at 
>>> > > 
>>> > > /home/MyDir/programs/julia/usr/bin/../lib/julia/sys.so 
>>> > > 
>>> > >  in call_on_owner at ./multi.jl:749 
>>> > >  in wait at ./multi.jl:756 
>>> > >  in _require at ./loading.jl:62 
>>> > >  in require at ./loading.jl:52 
>>> > >  in require_3B_7273 at 
>>> > > 
>>> > > /home/MyDir/programs/julia/usr/bin/../lib/julia/sys.so 
>>> > > 
>>> > > FYI: 
>>> > > julia> versioninfo() 
>>> > > Julia Version 0.4.0-dev+728 
>>> > > Commit f7172d3* (2014-09-22 12:08 UTC) 
>>> > > 
>>> > > Platform Info: 
>>> > >   System: Linux (x86_64-redhat-linux) 
>>> > >   CPU: Intel(R) Xeon(R) CPU E7- 4830  @ 2.13GHz 
>>> > >   WORD_SIZE: 64 
>>> > >   BLAS: libopenblas (USE64BITINT NO_AFFINITY NEHALEM) 
>>> > >   LAPACK: libopenblas 
>>> > >   LIBM: libopenlibm 
>>> > >   LLVM: libLLVM-3.3 
>>>
>>>

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