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net: TestDualStackUDPListener fails occasionally on darwin #4176

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davecheney opened this issue Sep 30, 2012 · 18 comments

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commented Sep 30, 2012

What steps will reproduce the problem?

TestDualStackTCPListener fails occasionally on unrelated darwin builders

--- FAIL: TestDualStackTCPListener (0.00 seconds)
unicast_posix_test.go:411:      Second Listen("tcp",
"127.0.0.1:58393") returns listen tcp 127.0.0.1:58393: address already in use,
expected <nil>
FAIL
FAIL    net     0.894s

What is the expected output? What do you see instead?

Test pass

Please use labels and text to provide additional information.

http://build.golang.org/log/918eb4215e6669db13105a7260bdd516ac6018df
http://build.golang.org/log/7f19158102780cb6c0378ee293818df75e9ccfa4
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commented Oct 5, 2012

Comment 1:

Can you please show us the darwin builder's OS X version?
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commented Oct 5, 2012

Comment 2:

http://build.golang.org/log/918eb4215e6669db13105a7260bdd516ac6018df is my machine, Lion
10.7.4
http://build.golang.org/log/7f19158102780cb6c0378ee293818df75e9ccfa4 is running Snow
Leopard, whatever the latest sub release is there.
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commented Oct 6, 2012

Comment 3:

Labels changed: added go1.1.

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commented Dec 9, 2012

Comment 5:

Is this still happening?

Labels changed: added go1.1maybe, removed go1.1.

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commented Jan 31, 2013

Comment 6:

Labels changed: added priority-later, removed priority-soon.

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commented Feb 15, 2013

Comment 7:

This is still occuring, the most recent occurence was Feb 04, 2013
http://build.golang.org/log/6df5772ec6a753ea5072a2700bed10e26fa24807
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commented Mar 12, 2013

Comment 8:

[The time for maybe has passed.]

Labels changed: removed go1.1maybe.

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commented Jul 16, 2013

Comment 9:

This seems to happen on my many-core Linux machine as well.  Maybe every 3rd or 4th run.
--- FAIL: TestDualStackUDPListener (0.00 seconds)
    unicast_posix_test.go:355: Second ListenPacket("udp", "127.0.0.1:33964") returns listen udp 127.0.0.1:33964: address already in use, expected <nil>
Are we certain this is MacOS X specific?
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commented Jul 17, 2013

Comment 10:

http://build.golang.org/log/a06f6e6175e83a183d74fc46db7855d7c1f745ea
Just broke on a single core arm5 host
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commented Jul 30, 2013

Comment 11:

Labels changed: added go1.2maybe.

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commented Aug 17, 2013

Comment 12:

This issue was updated by revision ca01ab3.

Update issue #5001
R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/13050043
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commented Sep 10, 2013

Comment 13:

Labels changed: added testing.

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commented Oct 2, 2013

Comment 14:

Labels changed: added go1.3, removed go1.2maybe.

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commented Dec 4, 2013

Comment 15:

Labels changed: added release-go1.3.

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commented Dec 4, 2013

Comment 16:

Labels changed: removed go1.3.

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commented Dec 4, 2013

Comment 17:

Labels changed: added repo-main.

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commented Jan 22, 2014

Comment 18:

Labels changed: added release-go1.4, removed packagebug, release-go1.3.

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commented Sep 16, 2014

Comment 19:

Status changed to Duplicate.

Merged into issue #5001.

@rsc rsc added this to the Go1.4 milestone Apr 14, 2015

@rsc rsc removed the release-go1.4 label Apr 14, 2015

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