Re: [Xen-users] xend error on FC12

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Wed, Dec 23, 2009 at 09:35:05AM +0530, vipul borikar wrote:
>    Thanks for the tip. Fedora xen rpm worked.
>    Previously i was using source packages.
> 
>    But what is the solution if i use source package?
>    I renamed the file xen-evtchn to evtchn in modules folder and did depmod ,
>    it didn't work.
>    Anything i need to change in source files ?
> 

Don't rename. Just load xen-evtchn, not evtchn.

That's the only "fix" Fedora xen rpms have.

-- Pasi

>    Thanks
>    Vipul
> 
>    On Tue, Dec 22, 2009 at 2:32 PM, Pasi Kärkkäinen <[1]pasik@xxxxxx> wrote:
> 
>      On Tue, Dec 22, 2009 at 11:40:44AM +0530, vipul borikar wrote:
>      >    Hi ,
>      >    I have installed xen 3.4.2 package on FC12.
>      >
> 
>      Are you using the Fedora xen-3.4.2 rpms ?
> 
>      >    My dom 0 kernel is
>      kernel-PAE-2.6.31.6-1.2.81.xendom0.fc12.i686.rpm. My
>      >    machine is 32 bit Intel HT machine.
>      >
>      >    I am successfully able to boot the dom 0 but xend fails to start.
>      >
>      >    My xend.log shows:
>      >
>      >    [2009-12-21 14:14:18 1805] INFO (SrvDaemon:332) Xend Daemon started
>      >    [2009-12-21 14:14:18 1805] INFO (SrvDaemon:336) Xend changeset:
>      >    unavailable.
>      >    [2009-12-21 14:14:20 1805] ERROR (SrvDaemon:349) Exception starting
>      xend
>      >    ((111, 'Connection refused'))
>      >    Traceback (most recent call last):
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/server/SrvDaemon.py",
>      >    line 341, in run
>      >        servers = SrvServer.create()
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/server/SrvServer.py",
>      >    line 251, in create
>      >        root.putChild('xend', SrvRoot())
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/server/SrvRoot.py", line
>      >    40, in __init__
>      >        self.get(name)
>      >      File "/usr/lib/python2.6/site-packages/xen/web/SrvDir.py", line
>      84, in
>      >    get
>      >        val = val.getobj()
>      >      File "/usr/lib/python2.6/site-packages/xen/web/SrvDir.py", line
>      52, in
>      >    getobj
>      >        self.obj = klassobj()
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/server/SrvNode.py", line
>      >    30, in __init__
>      >        self.xn = XendNode.instance()
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendNode.py",
>      line 949,
>      >    in instance
>      >     inst.save()
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendNode.py",
>      line 484,
>      >    in save
>      >        self.save_networks()
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendNode.py",
>      line 499,
>      >    in save_networks
>      >        for network_uuid in XendNetwork.get_all()])
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendBase.py",
>      line 102,
>      >    in get_record
>      >        for key in keys])
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendNetwork.py",
>      line
>      >    196, in get_VIFs
>      >        vms = XendDomain.instance().get_all_vms()
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendDomain.py",
>      line
>      >    1778, in instance
>      >        inst.init()
>      >      File "/usr/lib/python2.6/site-packages/xen/xend/XendDomain.py",
>      line
>      >    113, in init
>      >        xstransact.Mkdir(XS_VMROOT)
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
>      >    line 355, in Mkdir
>      >        complete(path, lambda t: t.mkdir(*args))
>      >     File
>      "/usr/lib/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
>      >    line 361, in complete
>      >        t = xstransact(path)
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/xenstore/xstransact.py",
>      >    line 29, in __init__
>      >        self.transaction = xshandle().transaction_start()
>      >      File
>      "/usr/lib/python2.6/site-packages/xen/xend/xenstore/xsutil.py",
>      >    line 18, in xshandle
>      >        xs_handle = xen.lowlevel.xs.xs()
>      >    Error: (111, 'Connection refused')
>      >    [2009-12-21 14:14:21 1804] INFO (SrvDaemon:220) Xend exited with
>      status 1.
>      >
>      >    I know lot of people have got this error , but i tried all possible
>      tweaks
>      >    but not able  to make xend running.
>      >
>      >    I have attached xend-debug.log and xend.trace .
>      >
>      >    I have  entry in fstab and also i have disabled selinux.
>      >
>      >    In xend-debug.log file shows some scsi files missing.
>      >
>      >    Any ideas?
>      >
> 
>      I think the latest dom0 kernels rename evtchn to xen-evtchn, so you need
>      to make sure those modules are loaded. xend requires them.
> 
>      Latest Fedora xen-3.4.2 rpms should take care of that. If you installed
>      from source, then that's likely your problem.
>      -- Pasi
> 
> References
> 
>    Visible links
>    1. mailto:pasik@xxxxxx

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