[Bug 985489] Re: nova-compute stops processing compute.$HOSTNAME occasionally on libvirt

2013-08-04 Thread wangpan
Hi all, after we updating our qemu to "qemu-kvm  1.1.2+dfsg-6" under
debian wheezy 7.0(linux kernel is 3.2.39), this question has disappeared
for more than three months, someone else can try this way if you
encountered this issue.

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Title:
  nova-compute stops processing compute.$HOSTNAME occasionally on
  libvirt

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[Bug 985489] Re: nova-compute stops processing compute.$HOSTNAME occasionally on libvirt

2013-04-22 Thread wangpan
Hi Ji you,
two things:
1. Can you tell me more info about the multi-process/multi-threads lock bugs of 
libvirt? such as bug report URL or something like this.
2. In our env, the 'virsh' command is running OK and there is only one libvirtd 
process when this bug occurs, this may be a difference with yours.

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Title:
  nova-compute stops processing compute.$HOSTNAME occasionally on
  libvirt

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[Bug 985489] Re: nova-compute stops processing compute.$HOSTNAME occasionally on libvirt

2013-04-11 Thread wangpan
** Changed in: nova
 Assignee: wangpan (hzwangpan) => (unassigned)

** Changed in: nova
   Status: In Progress => Confirmed

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Title:
  nova-compute stops processing compute.$HOSTNAME occasionally on
  libvirt

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[Bug 985489] Re: nova-compute stops processing compute.$HOSTNAME occasionally on libvirt

2013-04-10 Thread wangpan
Sorry for Michael H Wilson, I commited a patch relative to this bug, so
OpenStack Hudson automatically assign it to me, but the patch can't
reslove this bug eventually, and I can't reassign it to you now, you may
need to get it again.

** Changed in: nova
   Status: In Progress => Confirmed

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Title:
  nova-compute stops processing compute.$HOSTNAME occasionally on
  libvirt

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[Bug 985489] Re: nova-compute stops processing compute.$HOSTNAME occasionally on libvirt

2013-04-10 Thread wangpan
** Changed in: nova
 Assignee: wangpan (hzwangpan) => (unassigned)

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Title:
  nova-compute stops processing compute.$HOSTNAME occasionally on
  libvirt

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[Bug 985489] Re: nova-compute stops processing compute.$HOSTNAME occasionally on libvirt

2013-03-01 Thread wangpan
I find this issue in my stable folsom, but unortunately it occurs randomly, and 
my libvirt version is 0.9.12-5(debian wheezy).
log in the nova-compute.log:
2013-02-26 02:48:45 DEBUG nova.manager [-] Running periodic task 
ComputeManager.update_available_resource from (pid=35879) periodic_tasks 
/usr/local/lib/python2.7/dist-packages/nova/manager.py:200
2013-02-26 02:48:45 DEBUG nova.utils [-] Got semaphore "compute_resources" for 
method "update_available_resource"... from (pid=35879) inner 
/usr/local/lib/python2.7/dist-packages/nova/utils.py:803
==and then the  periodic task stopped until
2013-02-26 09:37:48 ERROR nova.manager [-] Error during 
ComputeManager.update_available_resource: Domain not found: no domain with 
matching id 1519
..
2013-02-26 09:37:48 DEBUG nova.manager [-] Running periodic task 
ComputeManager._report_driver_status from (pid=35879) periodic_tasks 
/usr/local/lib/python2.7/dist-packages/nova/manager.py:200
2013-02-26 09:37:48 INFO nova.compute.manager [-] Updating host status
2013-02-26 09:37:48 DEBUG nova.virt.libvirt.driver [-] Updating host stats from 
(pid=35879) update_status 
/usr/local/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py:3602
==and then the  periodic task stopped again until I restart 
nova-compute service

At the second time when this issue occurs, I try to restart libvirtd and don't 
restart nova-compute, the nova-compute continues to running after I restart 
libvirtd! so I believe this issue is resulted from libvirtd.
We may need to add a timeout when nova-compute call libvirt apis.

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Title:
  nova-compute stops processing compute.$HOSTNAME occasionally on
  libvirt

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[Bug 897750] Re: libvirt/kvm problem with disk attach/detach/reattach on running virt

2012-07-24 Thread wangpan
I find that you should modprobe 'acpiphp' & 'pci_hotplug' modules in the 
VM(ubuntu only has 'acpiphp', but it doesn't matter), then this problem will be 
resolved.
http://www.linux-kvm.org/page/Hotadd_pci_devices

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Title:
  libvirt/kvm problem with disk attach/detach/reattach on running virt

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