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Bug 823248 - [ovirt] [vdsm] exception in getVdsCaps in case bridge is renamed and vdsm is not resarted
Summary: [ovirt] [vdsm] exception in getVdsCaps in case bridge is renamed and vdsm is ...
Keywords:
Status: CLOSED DUPLICATE of bug 840594
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: vdsm
Version: 6.3
Hardware: x86_64
OS: Linux
medium
medium
Target Milestone: rc
: ---
Assignee: Dan Kenigsberg
QA Contact: Haim
URL:
Whiteboard: infra, network
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-05-20 10:52 UTC by Haim
Modified: 2014-01-13 00:52 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-08-07 08:31:11 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Description Haim 2012-05-20 10:52:02 UTC 
Description of problem:

- host is operational configured with bridge name = rhevm (name is not important)
- renamed bridge name from rhevm to ovirtmgmt
- restart network service 
- vdsm fails to respond to getVdsCaps and fails with nasty exception:  


Thread-870::DEBUG::2012-05-20 13:21:43,327::BindingXMLRPC::849::vds::(wrapper) client [10.35.97.174]::call getCapabilities with () {}
Thread-870::ERROR::2012-05-20 13:21:43,335::BindingXMLRPC::864::vds::(wrapper) unexpected error
Traceback (most recent call last):
  File "/usr/share/vdsm/BindingXMLRPC.py", line 854, in wrapper
    res = f(*args, **kwargs)
  File "/usr/share/vdsm/BindingXMLRPC.py", line 263, in getCapabilities
    ret = api.getCapabilities()
  File "/usr/share/vdsm/API.py", line 1075, in getCapabilities
    c = caps.get()
  File "/usr/share/vdsm/caps.py", line 225, in get
    caps.update(netinfo.get())
  File "/usr/lib/python2.6/site-packages/vdsm/netinfo.py", line 243, in get
    d['networks'][netname] = { 'ports': ports(netname),
  File "/usr/lib/python2.6/site-packages/vdsm/netinfo.py", line 92, in ports
    return os.listdir('/sys/class/net/' + bridge + '/brif')
OSError: [Errno 2] No such file or directory: '/sys/class/net/rhevm/brif'


mitigation: restart vdsm service
Comment 1 Haim 2012-05-20 10:53:18 UTC 
latest vdsm on master: f43fb7de2c3fd24f0520b7f444a3318ef28cc915
Comment 2 Dan Kenigsberg 2012-08-01 13:47:53 UTC 
Yep, if `virsh net-list` show a bridged vdsm network without an actual bridge implementation, we're in trouble.

Since it was open by Red Hat QE and affecting RHEV, moving the tracking downstream.
Comment 4 lpeer 2012-08-07 08:31:11 UTC 

*** This bug has been marked as a duplicate of bug 840594 ***
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