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Intermittent deadlock in readbytes(open(echo $text)) on Linux ? #14747

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samoconnor opened this issue Jan 20, 2016 · 2 comments
Closed

Intermittent deadlock in readbytes(open(echo $text)) on Linux ? #14747

samoconnor opened this issue Jan 20, 2016 · 2 comments
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io Involving the I/O subsystem: libuv, read, write, etc.

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@samoconnor
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This test from #14699 runs ok on OSX but sometimes passes and sometimes fails on Linux/Travis.

The test case covers a number of combinations of ::IO subtypes and data sizes.

In this test run the test seems to hang in readbytes in the following case...

io = (text) -> open(`echo -n $text`)[1]
...
text = UTF8String(['A' + i % 52 for i in 1:Base.SZ_UNBUFFERED_IO])
...
@test readbytes(io(text)) == Vector{UInt8}(text)

Has anyone else experianced hangs around PipeEndpoint or open(::Command) ?
@samoconnor samoconnor mentioned this issue Jan 20, 2016
Merged
@JeffBezanson JeffBezanson added the io Involving the I/O subsystem: libuv, read, write, etc. label Jan 20, 2016
samoconnor added a commit to samoconnor/julia that referenced this issue Jan 21, 2016
@samoconnor
Disable test of read*() from open(::Command).
0a26250 
JuliaLang#14747
@samoconnor samoconnor mentioned this issue Jan 21, 2016
Merged
samoconnor added a commit to samoconnor/julia that referenced this issue Jan 22, 2016
@samoconnor
Disable test of read*() from open(::Command).
b815e0a 
JuliaLang#14747

clean up (hopefully) redundant celanup() calls in test/read.jl (left over from debugging hanging CI)
samoconnor added a commit to samoconnor/julia that referenced this issue Jan 22, 2016
@samoconnor
Disable test of read*() from open(::Command).
98744de 
JuliaLang#14747

clean up (hopefully) redundant celanup() calls in test/read.jl (left over from debugging hanging CI)
@samoconnor
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Related ? #15090

@samoconnor samoconnor mentioned this issue Sep 14, 2017
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@oxinabox oxinabox mentioned this issue Nov 13, 2017
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@samoconnor samoconnor mentioned this issue Jan 17, 2018
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@samoconnor samoconnor mentioned this issue Feb 8, 2018
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@vtjnash
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vtjnash commented Feb 8, 2018

dup #22832, but we should enable this test before closing

vtjnash added a commit that referenced this issue Feb 5, 2021
@vtjnash
process IO: add test for #22832
2a7d67d 
Fixes #14747
vtjnash added a commit that referenced this issue Apr 2, 2021
@vtjnash
process IO: add test for #22832
6e6c84e 
Fixes #14747
@vtjnash vtjnash closed this as completed in 842b802 Jun 7, 2021
shirodkara pushed a commit to shirodkara/julia that referenced this issue Jun 9, 2021
@vtjnash
process IO: add test for JuliaLang#22832
d333542 
Fixes JuliaLang#14747
johanmon pushed a commit to johanmon/julia that referenced this issue Jul 5, 2021
@vtjnash @johanmon
process IO: add test for JuliaLang#22832
10bf11c 
Fixes JuliaLang#14747
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@vtjnash @JeffBezanson @samoconnor