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Re: [Xen-users] network is unstable

To: xen jones <xenwe@xxxxxxxxx>
Subject: Re: [Xen-users] network is unstable
From: Nivedita Singhvi <niv@xxxxxxxxxx>
Date: Wed, 27 Jul 2005 11:08:35 -0700
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xen jones wrote:

Hello All:
Here comes again after reboot and it lasts about an hour.
This time, my xen machine is unable to ping anywhere including other subnect 
192.168.213 and external server like ping yahoo.com.  Again, after reboot, thie 
srror will be gone. How is it happended ?
Here is the xen debug log file. Maybe it will help debugging:

vif-bridge up vif=vif28.0 domain=fangweb1 mac=aa:00:00:5b:10:a9 bridge=xen-br0
vif-bridge down vif=vif28.0 domain=DOM28 mac=aa:00:00:5b:10:a9 bridge=xen-br0

Basically the vif-bridge is going down, not yet clear why.
You're losing your interdomain communication mechanism,
at the very least...

Unhandled error in Deferred:
Traceback (most recent call last):
  File "/usr/lib/python/xen/xend/server/controller.py", line 202, in 
callResponders
    resp.responseReceived(msg)
  File "/usr/lib/python/xen/xend/server/controller.py", line 37, in 
responseReceived
    self.deferred.callback(msg)
  File "/usr/lib/python2.2/site-packages/twisted/internet/defer.py", line 252, 
in callback
    self._startRunCallbacks(result)
  File "/usr/lib/python2.2/site-packages/twisted/internet/defer.py", line 313, 
in _startRunCallbacks
    self._runCallbacks()
--- <exception caught here> ---
  File "/usr/lib/python2.2/site-packages/twisted/internet/defer.py", line 338, 
in _runCallbacks
    self.result = callback(self.result, *args, **kw)
  File "/usr/lib/python/xen/xend/server/blkif.py", line 477, in 
respond_be_vbd_grow
    raise XendError("Adding extent to vbd failed: device %s, error %d"
xen.xend.XendError.XendError: Adding extent to vbd failed: device (vbd (uname 
phy:/dev/sda8) (dev sda1) (mode w)), error 8



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