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log/syslog: send on closed chan #4832

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dvyukov opened this issue Feb 17, 2013 · 3 comments
Closed

log/syslog: send on closed chan #4832

dvyukov opened this issue Feb 17, 2013 · 3 comments
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Go1.1

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@dvyukov
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dvyukov commented Feb 17, 2013 

parent: 15771:0adf91947752 tip
darwin/amd64

$ while ./syslog.test -test.v -test.cpu=1,2,3,4,5,11,97; do true; done;

eventually crashes with:
=== RUN TestConcurrentReconnect-97
panic: runtime error: send on closed channel

goroutine 368 [running]:
log/syslog.func·001(0xc2000ef180, 0xc2000ef188, 0xc200081c60, 0xc200075928, 0x0, ...)
        /Users/dvyukov/src/go2/src/pkg/log/syslog/syslog_test.go:67 +0x162
created by log/syslog.runStreamSyslog
        /Users/dvyukov/src/go2/src/pkg/log/syslog/syslog_test.go:70 +0x164

I've attached the full dump.

Attachments:

  1. bug.txt (44179 bytes)
@ianlancetaylor
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Comment 1:

I just saw this as well.
panic: runtime error: send on closed channel
goroutine 48 [running]:
log/syslog.func·001(0xc2000d0060, 0xc20008ff08)
    /home/iant/go/src/pkg/log/syslog/syslog_test.go:67 +0x16e
created by log/syslog.runStreamSyslog
    /home/iant/go/src/pkg/log/syslog/syslog_test.go:70 +0x17b

Labels changed: added priority-soon, go1.1, packagebug, removed priority-triage, go1.1maybe.

Attachments:

  1. foo.txt (8323 bytes)

@ianlancetaylor
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Comment 2:

In my case revision 15935:2bf8d07c14c1 on amd64 GNU/Linux.

@adg
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adg commented Feb 27, 2013

Comment 3:

Status changed to Duplicate.

Merged into issue #4769.

@rsc rsc added this to the Go1.1 milestone Apr 14, 2015
@rsc rsc removed the go1.1 label Apr 14, 2015
@golang golang locked and limited conversation to collaborators Jun 24, 2016
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@rsc @dvyukov @ianlancetaylor @adg @gopherbot