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Bug 1584950 - "End of file from qemu monitor" when shutdown guest
Summary: "End of file from qemu monitor" when shutdown guest
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libvirt
Version: 7.6
Hardware: x86_64
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Libvirt Maintainers
QA Contact: Lili Zhu
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2018-06-01 02:52 UTC by Fangge Jin
Modified: 2018-07-02 13:12 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-07-02 13:12:28 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
libvirtd and qemu log (57.41 KB, application/x-bzip)
2018-06-01 02:52 UTC, Fangge Jin 		no flags Details
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Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1536461 0 high CLOSED Libvirtd hangs when shutting down domains 2021-12-10 15:34:24 UTC

Internal Links: 1536461

Description Fangge Jin 2018-06-01 02:52:33 UTC 
Created attachment 1446497 [details]
libvirtd and qemu log

Description of problem:
"End of file from qemu monitor" when shutdown guest

Version-Release number of selected component (if applicable):
libvirt-4.3.0-1.el7.x86_64
qemu-kvm-rhev-2.12.0-2.el7.x86_64

Also reproduced with:
libvirt-3.9.0-14.el7_5.4.x86_64
qemu-kvm-rhev-2.10.0-21.el7_5.2.x86_64

How reproducible:
100%

Steps to Reproduce:
1.Create a guest with guest agent

2.Shutdown guest:
# virsh shutdown $guest

4.Check libvirtd log
2018-06-01 02:49:18.992+0000: 16975: error : qemuMonitorIO:715 : internal error: End of file from qemu monitor
2018-06-01 02:49:18.992+0000: 16975: debug : qemuMonitorIO:763 : Error on monitor internal error: End of file from qemu monitor

Actual results:
There is error message when shutdown a guest

Expected results:
No error message when shutdown a guest

Additional info:
Comment 2 Jiri Denemark 2018-07-02 13:12:28 UTC 
There was an attempt to fix this a year ago:

commit aeda1b8c56dc58b0a413acc61bbea938b40499e1
Author:     Christian Ehrhardt <christian.ehrhardt>
AuthorDate: Thu Mar 9 10:54:32 2017 +0100
Commit:     Martin Kletzander <mkletzan>
CommitDate: Mon May 15 12:34:19 2017 +0200

    qemu: monitor: do not report error on shutdown

    If a shutdown is expected because it was triggered via libvirt we can
    also expect the monitor to close. In those cases do not report an
    internal error like:
      "internal error: End of file from qemu monitor"

    Signed-off-by: Christian Ehrhardt <christian.ehrhardt>

but it was later reverted by

commit 72adaf2f10509c3682f2c65ffad4176e00e5a2fb
Author:     Michal Privoznik <mprivozn>
AuthorDate: Fri Jan 19 13:53:57 2018 +0100
Commit:     Michal Privoznik <mprivozn>
CommitDate: Fri Jan 19 14:31:03 2018 +0100

    Revert "qemu: monitor: do not report error on shutdown"

    https://bugzilla.redhat.com/show_bug.cgi?id=1536461

    This reverts commit aeda1b8c56dc58b0a413acc61bbea938b40499e1.

    Problem is that we need mon->lastError to be set because it's
    used all over the place. Also, there's nothing wrong with
    reporting error if one occurred. I mean, if there's a thread
    executing an API and which currently is talking on monitor it
    definitely wants the error reported.

    Signed-off-by: Michal Privoznik <mprivozn>
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