Reference: https://github.com/JuliaLang/julia/issues/12381
On Wednesday, July 29, 2015 at 5:35:14 PM UTC-7, Seth wrote:
>
> For what it's worth, I'm seeing the same thing:
>
> julia> @everywhere using LightGraphs
> WARNING: replacing module LightGraphs
> WARNING: replacing module LightGraphs
> WARNING: replacing module LightGraphs
> WARNING: replacing module LightGraphs
> exception on 4:
> ...
> (Lots of error messages / backtraces removed)
> ...
> ERROR: ProcessExitedException()
> in wait at /usr/local/julia-latest/lib/julia/sys.dylib
> in sync_end at /usr/local/julia-latest/lib/julia/sys.dylib
> in anonymous at multi.jl:348
>
>
>
> On Wednesday, July 29, 2015 at 4:54:30 PM UTC-7, lapeyre....@gmail.com
> wrote:
>>
>> I can file a bug report. But, I'm not entirely sure what to write.
>>
>> Simpler case:
>>
>> > julia -p 4
>> > @everywhere using ZChop (simple modules)
>>
>> The following version is from a completely fresh build today. I don't get
>> a crash immediately, but I do get
>> WARNING: replacing module ZChop (4 times)
>> Version 0.4.0-dev+6394 (2015-07-29 21:58 UTC)
>> Commit a2a218b* (0 days old master)
>>
>> Five days ago, i did git pull and built from an older clone
>> Version 0.4.0-dev+6202 (2015-07-24 01:47 UTC)
>> Commit 53a7f2e* (5 days old master)
>> This version prints the same warning and spews many errors including
>> unknown function (ip: 0x7fe94d596ff7)
>> ERROR (unhandled task failure): EOFError: read end of file
>>
>> The following version will load ZChop with no problem, but when loading
>> Distributions, it still prints many errors
>> and fails. It loads some other modules (i.e with @everywhere, as above),
>> such as Roots with no apparent errors.
>> Version 0.4.0-dev+3965 (2015-03-22 12:24 UTC)
>> Commit e1f0310* (129 days old master)
>>
>> A fresh build today on another machine gives errors with @everywhere
>> using Roots.
>> It fails to load Distributions even with no parallel threads, but this
>> appears to be unrelated.
>>
>> On the same (other) machine, the following version loads and runs
>> parallel code using the modules
>> mentioned above, and more.
>> Version 0.4.0-dev+4096 (2015-03-31 08:05 UTC)
>> Commit a3c0743* (120 days old master)
>>
>> I see no error with 0.3.5-pre+121 (2015-01-07 00:19 UTC)
>>
>>
>> On Wednesday, July 29, 2015 at 11:24:55 PM UTC+2, lapeyre....@gmail.com
>> wrote:
>>>
>>> Parallel threads has stopped working for me. Any ideas ?
>>> Code using addprocs and @everywhere include has stopped working (is
>>> broken) on one machine. Code that used to work now causes a number of
>>> varying errors to be printed, crashes, runaway processes, etc. when it is
>>> loaded. Both a recent v0.4 and a 2 month old version that did run the code
>>> in the past cause the failure. The same code on a different machine
>>> continues to run normally. Maybe my user Julia environment has a problem ?
>>> Or maybe I upgraded a system library ?
>>>
>>> If I use just 2 processes, the code will sometimes both load and run
>>> correctly.
>>>
>>> A minimal example
>>>
>>> test.jl
>>> ------
>>> using Distributions
>>> ------
>>>
>>> >julia -p 4
>>> > @everywhere include("test.jl")
>>>
>>> WARNING: replacing module Distributions ( 4 times )
>>> signal (11): Segmentation fault
>>> unknown function (ip: 0x7f235c7ffd98)
>>> jl_module_import at /usr/local/julia-0.4a/bin/../lib/julia/libjulia.so
>>> (unknown line)
>>>
>>> etc.
>>>
>>> I am running unstable debian linux.
>>>
>>> Thanks, John
>>>
>>>
