On Thu, Dec 31, 2009 at 01:44:30PM -0500, James Pifer wrote:
> > Looks like you don't have dom0 ballooning enabled, so then dom0 should
> > always have the dedicated 2048 MB of memory.
> >
> > What was the error you got? check dom0 "dmesg", "xm dmesg" and "xm log"
> > when creating 15/16+ guests..
> >
> > -- Pasi
>
> Here's what I get in the log when I try to start a domain right now:
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:2757)
> XendDomainInfo.destroy: domid=40
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:2227) Destroying device model
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:2234) Releasing devices
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:2247) Removing vif/0
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:1137)
> XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:2247) Removing vkbd/0
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:1137)
> XendDomainInfo.destroyDevice: deviceClass = vkbd, device = vkbd/0
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:2247) Removing console/0
> [2009-12-31 11:42:19 5611] DEBUG (XendDomainInfo:1137)
> XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
> [2009-12-31 11:42:22 5611] DEBUG (XendDomainInfo:2247) Removing vbd/768
> [2009-12-31 11:42:22 5611] DEBUG (XendDomainInfo:1137)
> XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/768
> [2009-12-31 11:42:22 5611] DEBUG (XendDomainInfo:2247) Removing vbd/832
> [2009-12-31 11:42:22 5611] DEBUG (XendDomainInfo:1137)
> XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/832
> [2009-12-31 11:42:23 5611] DEBUG (XendDomainInfo:2247) Removing vfb/0
> [2009-12-31 11:42:23 5611] DEBUG (XendDomainInfo:1137)
> XendDomainInfo.destroyDevice: deviceClass = vfb, device = vfb/0
> [2009-12-31 11:42:23 5611] ERROR (SrvBase:88) Request start failed.
> Traceback (most recent call last):
> File "/usr/lib64/python2.6/site-packages/xen/web/SrvBase.py", line 85, in
> perform
> return op_method(op, req)
> File "/usr/lib64/python2.6/site-packages/xen/xend/server/SrvDomain.py",
> line 77, in op_start
> return self.xd.domain_start(self.dom.getName(), paused)
> File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomain.py", line
> 1040, in domain_start
> dominfo.start(is_managed = True)
> File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line
> 459, in start
> XendTask.log_progress(31, 60, self._initDomain)
> File "/usr/lib64/python2.6/site-packages/xen/xend/XendTask.py", line 209,
> in log_progress
> retval = func(*args, **kwds)
> File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line
> 2594, in _initDomain
> self._createDevices()
> File "/usr/lib64/python2.6/site-packages/xen/xend/XendDomainInfo.py", line
> 2218, in _createDevices
> self.image.createDeviceModel()
> File "/usr/lib64/python2.6/site-packages/xen/xend/image.py", line 419, in
> createDeviceModel
> pid = os.fork()
> OSError: [Errno 12] Cannot allocate memory
>
So what does "xm info" say about free memory? How much does the guest
you're trying to start have memory configured for it?
-- Pasi
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