[Bug 1087700] New: lost signals when sending lots of signals using --sig-proxy to docker

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Red Hat Bugzilla

15 Apr 2014 15 Apr '14

1:05 a.m.

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Bug ID: 1087700 Summary: lost signals when sending lots of signals using --sig-proxy to docker Product: Fedora Version: 20 Component: docker-io Assignee: lsm5@redhat.com Reporter: ldoktor@redhat.com QA Contact: extras-qa@fedoraproject.org CC: admiller@redhat.com, golang@lists.fedoraproject.org, lsm5@redhat.com, mattdm@redhat.com, mgoldman@redhat.com, skottler@redhat.com, vbatts@redhat.com

Description of problem: When I send lots of signals to the running docker with --sig-proxy (actual kill signals, not `docker kill`), most of them got lost.

Version-Release number of selected component (if applicable): docker-io-0.9.1-1.fc21.x86_64

How reproducible: always

Steps to Reproduce: 1. /usr/bin/docker -D run --tty=false --rm -i --name test_eoly localhost:5000/ldoktor/fedora:latest bash -c 'for NUM in `seq 1 64`; do trap "echo Received $NUM, ignoring..." $NUM; done; while :; do sleep 1; done' 2. ps ax |grep docker 3. for AAA in `seq 1 32`; do [ $AAA -ne 9 ] && [ $AAA -ne 20 ] && [ $AAA -ne 19 ] && kill -s $AAA $PID; done

Actual results: Output of the docker is: Received 1, ignoring... Received 2, ignoring...

Expected results: Messages for all of the `Received $NUM, ignoring...` printed (order doesn't matter)

Additional info: Skipping 9, 19, 20 as they are a bit too special..

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Red Hat Bugzilla

5 May 5 May

3:10 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #1 from Lukas Doktor ldoktor@redhat.com --- The same results with upstream docker dc9c28f/0.10.0:

Output: Received 1, ignoring... [debug] stdcopy.go:111 framesize: 24 Received 2, ignoring...

Daemon output: 2014/05/05 10:08:45 POST /v1.10/containers/b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5/kill?signal=HUP [/home/medic/Work/Projekty/Docker/root|fa3816b6] +job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, HUP) [/home/medic/Work/Projekty/Docker/root|fa3816b6] -job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, HUP) = OK (0) 2014/05/05 10:08:45 POST /v1.10/containers/b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5/kill?signal=INT [/home/medic/Work/Projekty/Docker/root|fa3816b6] +job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, INT) [/home/medic/Work/Projekty/Docker/root|fa3816b6] -job kill(b01a849cb45ebe94c3a61fa021a5464186345d5b159faee4ea9d5da39fb36de5, INT) = OK (0)

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Red Hat Bugzilla

9 May 9 May

9:32 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Lukas Doktor ldoktor@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Blocks| |1096269

Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1096269 [Bug 1096269] lost signals when sending lots of signals using --sig-proxy to docker

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Red Hat Bugzilla

28 May 28 May

11:44 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Daniel Walsh dwalsh@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Assignee|lsm5@redhat.com |whenry@redhat.com

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Red Hat Bugzilla

3 Jun 3 Jun

3:33 p.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Daniel Walsh dwalsh@redhat.com changed:

--- Comment #2 from Daniel Walsh dwalsh@redhat.com ---

*** This bug has been marked as a duplicate of bug 1087697 ***

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Red Hat Bugzilla

11:56 p.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Lukas Doktor ldoktor@redhat.com changed:

--- Comment #3 from Lukas Doktor ldoktor@redhat.com --- Hi Daniel, I don't see the relation to bz1087697. This one is about docker not handling signals properly (when sending them too quickly) and the bz1087697 is about --sig-proxy not working in --tty=false mode.

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Red Hat Bugzilla

4 Jun 4 Jun

7:45 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Daniel Walsh dwalsh@redhat.com changed:

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Red Hat Bugzilla

7:47 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #4 from Daniel Walsh dwalsh@redhat.com --- Ok sorry about that, I was doing a lot of cleanup yesterday and screwed up. This is the one we agreed would be a documentation issue correct. IE Just document which signals do not work?

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Red Hat Bugzilla

16 Jun 16 Jun

1:34 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #5 from Lukas Doktor ldoktor@redhat.com --- This one was about using `docker kill` very quickly/in parallel, which results in missing signals in container, even when you use only the "safe" signals. So documentation won't fix this issue (well you can add 1s wait in `docker kill` ;-) but I believe there is a better solution.

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Red Hat Bugzilla

17 Jun 17 Jun

1:35 p.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Daniel Walsh dwalsh@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Assignee|whenry@redhat.com |mheon@redhat.com

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Red Hat Bugzilla

7 Jul 7 Jul

12:54 p.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #6 from Matthew Heon mheon@redhat.com --- A fix for this has made its way upstream (https://github.com/dotcloud/docker/pull/6508#issuecomment-48211901), and should be included in the next upstream release of Docker.

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Red Hat Bugzilla

15 Sep 15 Sep

3 p.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Daniel Walsh dwalsh@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |MODIFIED

--- Comment #7 from Daniel Walsh dwalsh@redhat.com --- Fixed in docker-1.2

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Red Hat Bugzilla

29 Sep 29 Sep

3:46 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #8 from Lukas Doktor ldoktor@redhat.com --- Thank you, this seems to be working fine on docker-1.2.0-19.el7.x86_64 (apart from the usually broken signals...)

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Red Hat Bugzilla

4 Jan 4 Jan

3:53 p.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

John Skeoch jskeoch@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Assignee|mheon@redhat.com |jrieden@redhat.com

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Red Hat Bugzilla

29 May 29 May

6:34 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

--- Comment #10 from Fedora End Of Life endoflife@fedoraproject.org --- This message is a reminder that Fedora 20 is nearing its end of life. Approximately 4 (four) weeks from now Fedora will stop maintaining and issuing updates for Fedora 20. It is Fedora's policy to close all bug reports from releases that are no longer maintained. At that time this bug will be closed as EOL if it remains open with a Fedora 'version' of '20'.

Package Maintainer: If you wish for this bug to remain open because you plan to fix it in a currently maintained version, simply change the 'version' to a later Fedora version.

Thank you for reporting this issue and we are sorry that we were not able to fix it before Fedora 20 is end of life. If you would still like to see this bug fixed and are able to reproduce it against a later version of Fedora, you are encouraged change the 'version' to a later Fedora version prior this bug is closed as described in the policy above.

Although we aim to fix as many bugs as possible during every release's lifetime, sometimes those efforts are overtaken by events. Often a more recent Fedora release includes newer upstream software that fixes bugs or makes them obsolete.

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Red Hat Bugzilla

7 a.m.

New subject: [Bug 1087700] lost signals when sending lots of signals using --sig-proxy to docker

https://bugzilla.redhat.com/show_bug.cgi?id=1087700

Daniel Walsh dwalsh@redhat.com changed:

What |Removed |Added ---------------------------------------------------------------------------- Version|20 |22

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