# Fail Testing Mosek 8 -\> ERROR: LoadError: ReadOnlyMemoryError()

**URL:** <https://discourse.julialang.org/t/fail-testing-mosek-8-error-loaderror-readonlymemoryerror/8891>\
**Category:** Optimization (Mathematical)\
**Tags:** mosek\
**Created:** [February 7, 2018, 11:55am UTC](https://discourse.julialang.org/t/fail-testing-mosek-8-error-loaderror-readonlymemoryerror/8891 "2018-02-07T11:55:48Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Stephen\_Vavasis](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stephen_vavasis/32/3389_2.png) [@Stephen\_Vavasis](https://discourse.julialang.org/u/Stephen_Vavasis)\
**Post date:** [February 9, 2018, 2:47am UTC](https://discourse.julialang.org/t/fail-testing-mosek-8-error-loaderror-readonlymemoryerror/8891/5 "2018-02-09T02:47:25Z")

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I too encountered a mysterious ReadOnlyMemoryError() in 0.6.2 under linux. Here is the discourse link:

> [@ReadOnlyMemoryError](https://discourse.julialang.org/t/readonlymemoryerror/8548):
>
> I have a lengthy code that recently has stopped working on my Linux machine (Julia 0.6.2) although it’s still fine on Windows. I don’t have a MWE; the site of the error moves with small changes to the code. Anyone have experience with this? Any idea how to chase it down? ERROR: LoadError: ReadOnlyMemoryError() Stacktrace: [1] handle\_eval!(::conic\_solve\_cohesive.B\_Handle, ::Array{Float64,1}, ::Array{Float64,1}, ::Array{Float64,1}, ::Array{Float64,1}, ::Int64) at /u4/vavasis/cohesive/conic\_…

The issue is not yet resolved.

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_[View the full topic](https://discourse.julialang.org/t/fail-testing-mosek-8-error-loaderror-readonlymemoryerror/8891)._