Hi,
I am 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.
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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