[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

[Steve Langasek]

The Precise Pangolin has reached end of life, so this bug will not be
fixed for that release

** Changed in: libvirt (Ubuntu Precise)
   Status: Triaged => Won't Fix

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Title:
  juju bootstrap hangs for local environment under precise on vmware

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[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

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On 2012-02-22T21:55:47+00:00 Matt wrote:

Created attachment 565119
gdb backtrace of virsh

Description of problem:
Using FC16 as VMware Workstation 8 guest with Intel VT-x virtualisation so that 
I can test KVM.  When installing libvirt & qemu-kvm I am unable to connect to 
the local hypervisor with virsh (or virt-manager for that matter).

Running fallback Gnome desktop environment and latest updates

Have tried disabling auth (set to none) in the libvirtd.conf and
disabling selinux (setenforce 0).  Also tried with std user & root user.

Version-Release number of selected component (if applicable):
* FC16 stock with all updates (also tested with testing updates)
* Kernel 3.2.6-3.fc16.x86_64
* libvirt 0.9.6-4.fc16

How reproducible:
Have reproduced on another system, using fresh FC16 install as VMware 
Workstation 8 guest.  Same results.

Steps to Reproduce:
1. Install FC16 as VMware guest with Intel VT-x virtualisation
2. Install qemu-kvm & libvirt
3. Type qemu --connect qemu:///system

  
Actual results:
Process hangs until ^C

Expected results:
Virsh prompt connected to local hypervisor


Additional info:
In the hope that it is useful, I have attached a gdb backtrace while it is 
hanging.  I ran debuginfo-install libvirt then:

virsh --connect qemu:///system &
gdb
attach [processid]
backtrace
See attachment for backtrace

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/1


On 2012-02-22T22:03:43+00:00 Dave wrote:

Can you provide a backtrace of all the libvirtd threads with bt -a when
this problem is occurring?

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/2


On 2012-02-22T22:05:07+00:00 Cole wrote:

And when you reproduce the hang, is dmidecode running?

ps axwww | grep dmide

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/3


On 2012-02-22T22:18:23+00:00 Matt wrote:

Hi,

1. Attachment created: backtrace of libvirtd attached
I did not fully understand your instructions, I hope this is the information 
that you require, let me know if there's anything more that you want - the gdb 
commands that I used are in the attachment,

2. Results of ps axwww | grep dmide:

1484 ?S  0:00 /usr/sbin/dmidecode -q -t 0,1,4,17

Matt

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/4


On 2012-02-22T22:19:31+00:00 Matt wrote:

Created attachment 565125
libvirtd backtrace (all threads)

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/5


On 2012-02-22T22:25:47+00:00 Cole wrote:

Yeah I've heard of this issue before, the dmidecode hang in vmware
guests. I think there's a patch upstream for it

Eric, do you know more about this?

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/6


On 2012-02-22T22:30:44+00:00 Dave wrote:

Matt, that's what I was looking for.  I have the same thought Cole did
which is that this is dmidecode related.

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/7


On 2012-02-22T22:33:45+00:00 Dave wrote:

Are you willing to try building upstream libvirt to see if it makes the
problem go away?  I'm not convinced it's fixed upstream yet, but if you
can repro this at will and test builds I'm sure we can figure it out.

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/8


On 2012-02-22T22:37:07+00:00 Matt wrote:

Sure Dave.  Can you provide me some high-level instructions, or point me
to a site that might have something similar?

Thanks,

Matt

Reply at: https://bugs.launchpad.net/pyjuju/+bug/920454/comments/9


On 2012-02-22T22:50:36+00:00 Eric wrote:

bug 783453 is another example of a dmidecode hang; F16 does not (yet)
have the two patches mentioned in that bug:

commit 06b9c5b9231ef4dbd4b5ff69564305cd4f814879
Author: Michal Privoznik 
Date:   Tue Jan 3 18:40:55 2012 +0100

virCommand: Properly handle POLLHUP

It is a good practise to set revents to zero before doing any poll().

[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

[Kapil Thangavelu]

in addition to being fixed in quantal  we're also no longer using
libvirt networking.. marking resolved.

** Changed in: juju
   Status: Triaged = Fix Released

** Changed in: juju
Milestone: None = 0.6.1

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Title:
  juju bootstrap hangs for local environment under precise on vmware

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[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

[Kapil Thangavelu]

in addition to being fixed in quantal  we're also no longer using
libvirt networking.. marking resolved.

** Changed in: juju
   Status: Triaged = Fix Released

** Changed in: juju
Milestone: None = 0.6.1

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Title:
  juju bootstrap hangs for local environment under precise on vmware

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[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

[Brad Crittenden]

This bug still exists in precise but is fixed in quantal.

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Title:
  juju bootstrap hangs for local environment under precise on vmware

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[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

[Clint Byrum]

** Also affects: libvirt (Ubuntu)
   Importance: Undecided
   Status: New

** Also affects: libvirt via
   https://bugzilla.redhat.com/show_bug.cgi?id=796451
   Importance: Unknown
   Status: Unknown

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Title:
  juju bootstrap hangs for local environment under precise on vmware

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[Bug 920454] Re: juju bootstrap hangs for local environment under precise on vmware

[Clint Byrum]

Looks like we can cherry pick those two patches into precise and solve
this bug for vmware users.

** Also affects: libvirt (Ubuntu Precise)
   Importance: Undecided
   Status: New

** Changed in: libvirt (Ubuntu)
   Status: New = Fix Released

** Changed in: libvirt (Ubuntu Precise)
   Status: New = Triaged

** Changed in: libvirt (Ubuntu Precise)
   Importance: Undecided = Medium

** Changed in: juju
   Status: Confirmed = Triaged

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Title:
  juju bootstrap hangs for local environment under precise on vmware

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