Re: Fail to start xend in xen/stable-2.6.32.x (57028f01dcd263bcee41e00ddcda167a082ae075)

[Mingfan Lu <mingfan.lu@gmail.com>]

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use xen 4.0.1-rc2-pre, it works now
Thanks

On Fri, Jun 11, 2010 at 1:31 PM, Mingfan Lu <mingfan.lu@gmail.com> wrote:

> Hi,
> I want to use xenoprof in pv dom0. so i use  the patch from Dulloor (in
> branch origin/xen/oprofile ) to the xen/stable-2.6.32.x
> (57028f01dcd263bcee41e00ddcda167a082ae075).
>
> My xen (version: 4.0.0) which is compied from the source code.
> All seems to work, I even could use oprofile to collect samples.
> But the xend which could not start normally.
>
> check the xend.log, I find taht
> {{{
> [2010-06-11 10:34:31 5887] INFO (SrvDaemon:332) Xend Daemon started
> [2010-06-11 10:34:31 5887] INFO (SrvDaemon:336) Xend changeset:
> unavailable.
> [2010-06-11 10:34:32 5887] ERROR (SrvDaemon:349) Exception starting xend
> ((111, 'Connection refused'))
> Traceback (most recent call last):
>   File
> "/usr/local/lib/python2.6/site-packages/xen/xend/server/SrvDaemon.py", line
> 341, in run
>     servers = SrvServer.create()
>   File
> "/usr/local/lib/python2.6/site-packages/xen/xend/server/SrvServer.py", line
> 251, in create
>     root.putChild('xend', SrvRoot())
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/server/SrvRoot.py",
> line 40, in __init__
>     self.get(name)
>   File "/usr/local/lib/python2.6/site-packages/xen/web/SrvDir.py", line 84,
> in get
>     val = val.getobj()
>   File "/usr/local/lib/python2.6/site-packages/xen/web/SrvDir.py", line 52,
> in getobj
>     self.obj = klassobj()
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/server/SrvNode.py",
> line 30, in __init__
>     self.xn = XendNode.instance()
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendNode.py", line
> 1141, in instance
>     inst.save()
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendNode.py", line
> 578, in save
>     self.save_networks()
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendNode.py", line
> 594, in save_networks
>     for network_uuid in XendNetwork.get_all()])
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendBase.py", line
> 102, in get_record
>     for key in keys])
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendNetwork.py",
> line 196, in get_VIFs
>     vms = XendDomain.instance().get_all_vms()
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendDomain.py",
> line 1882, in instance
>     inst.init()
>   File "/usr/local/lib/python2.6/site-packages/xen/xend/XendDomain.py",
> line 114, in init
>     xstransact.Mkdir(XS_VMROOT)
>   File
> "/usr/local/lib/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
> line 355, in Mkdir
>     complete(path, lambda t: t.mkdir(*args))
>   File
> "/usr/local/lib/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
> line 361, in complete
>     t = xstransact(path)
>   File
> "/usr/local/lib/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
> line 29, in __init__
>     self.transaction = xshandle().transaction_start()
>   File
> "/usr/local/lib/python2.6/site-packages/xen/xend/xenstore/xsutil.py", line
> 18, in xshandle
>     xs_handle = xen.lowlevel.xs.xs()
> Error: (111, 'Connection refused')
> [2010-06-11 10:34:32 5886] INFO (SrvDaemon:220) Xend exited with status 1.
> }}}
>
> I go  check /proc/xen/capabilities , it contains control_d in this file.
>
> and then I go to the /dev/xen, nothing in this directory.
> It seems evtchn which is missing.
>
> then I compile  xen_evtchn as  module (before, xen_evtchn is built-in), and
> modprobe xen_evtchn manually
> it seems evtchn in /dev/xen now.
>
> Go on to execute /etc/init.d/xend start. just fail. the error log is the
> same mentioned above.
> and the evtchn is missing in /dev/xen now
>
> try xenstored,
>
> I got
> {{{
> ERROR Internal error: Could not open event channel interface (22 = Invalid
> argument)
> FATAL: Failed to open evtchn device: Invalid argument
> }}}
>
> any comments and suggestion?
>
> Mingfan Lu
>
>

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