Do you have /proc/xen/privcmd? You might need to configure that into your
dom0 kernel build or something.
-- Keir
On 28/10/2010 14:17, "David Cemin" <davidcemin@xxxxxxxxx> wrote:
> I tried another approach.
>
> Since I assume that my problem is with modules loading, I've compiled the
> kernel with xen-evtchn and xen-gntdev as modules. Now, I can load them with
> modprobe. They do appear loaded in lsmod
>
> % lsmod | grep xen
> xen_gntdev 7486 0
> xen_evtchn 4617 1
>
> It seems that xend is running, as we can see in a ps:
>
> % ps ax | grep xen
> 24 ? S 0:00 [xenwatch]
> 25 ? S 0:00 [xenbus]
> 851 ? S 0:00 avahi-daemon: running [xenserver-laptop.local]
> 2101 ? S 0:00 xenstored --pid-file /var/run/xenstore.pid
> 2105 ? SLl 0:00 xenconsoled
> 2109 ? S 0:00 /usr/bin/python /usr/sbin/xend start
> 2110 ? Sl 0:00 /usr/bin/python /usr/sbin/xend start
> 2254 pts/0 S+ 0:00 grep --color xen
>
>
> But /var/log/xend.log shows that I have an exception during xend start:
>
> [2010-10-28 11:10:52 2110] INFO (SrvDaemon:331) Xend Daemon started
> [2010-10-28 11:10:52 2110] INFO (SrvDaemon:335) Xend changeset: Wed Aug 25
> 09:22:42 2010 +0100 21324:b536ebfba183.
> [2010-10-28 11:10:52 2110] ERROR (SrvDaemon:347) Exception starting xend ((13,
> 'Permission denied'))
> Traceback (most recent call last):
> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvDaemon.py", line
> 339, in run
> servers = SrvServer.create()
> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvServer.py", line
> 251, in create
> root.putChild('xend', SrvRoot())
> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvRoot.py", line 40,
> in __init__
> self.get(name)
> File "/usr/lib/python2.6/dist-packages/xen/web/SrvDir.py", line 82, in get
> val = val.getobj()
> File "/usr/lib/python2.6/dist-packages/xen/web/SrvDir.py", line 52, in
> getobj
> self.obj = klassobj()
> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvNode.py", line 30,
> in __init__
> self.xn = XendNode.instance()
> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 752, in
> instance
> inst = XendNode()
> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 87, in
> __init__
> self.other_config["xen_pagesize"] = self.xeninfo_dict()["xen_pagesize"]
> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 741, in
> xeninfo_dict
> return dict(self.xeninfo())
> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 685, in
> xeninfo
> info['xen_scheduler'] = self.xenschedinfo()
> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 675, in
> xenschedinfo
> sched_id = self.xc.sched_id_get()
> Error: (13, 'Permission denied')
>
> And I cant call any xm bin, as for example:
>
> % xm list
> Error: Unable to connect to xend: No such file or directory. Is xend running?
> (1) %
>
>
> So, I'm kind of stuck here. Any Ideas?
>
> Thank you all,
>
> --
> David
>
>
>
> 2010/10/27 David Cemin <davidcemin@xxxxxxxxx>
>> Hello,
>>
>> I've downloaded the xen 4.0.1 version as it is explained here:
>> http://wiki.xensource.com/xenwiki/Xen4.0
>>
>> <http://wiki.xensource.com/xenwiki/Xen4.0> So, I've made a clone from
>> repository, with the following command:
>>
>> hg clone -r RELEASE-4.0.1 http://xenbits.xen.org/xen-4.0-testing.hg
>> And finally I've built xen, tools and stubdom.
>>
>>
>> I was looking for a paravirtualized domain, and so I follow the instructions
>> from here:
>> http://wiki.xensource.com/xenwiki/XenParavirtOps
>>
>>
>> <http://wiki.xensource.com/xenwiki/XenParavirtOps> So, I am able to boot
>> dom0 successfully, but apparently xend its not starting.
>>
>> A few things that I have noticed:
>>
>> 1) lsmod does not list evtchn and neither gntdev, and they are not compiled
>> as a Module. I have tried also to insert them with lsmod, and of course, I
>> dont have them.
>> 2) The nodes appear in both /proc/misc and /dev/xen, and the numbers are
>> correct
>>
>> % cat /proc/misc
>> 52 freefall
>> 224 tpm0
>> 53 network_throughput
>> 54 network_latency
>> 55 cpu_dma_latency
>> 56 device-mapper
>> 1 psaux
>> 200 tun
>> 57 pktcdvd
>> 228 hpet
>> 58 blktap-control
>> 59 xen/gntdev
>> 60 xen/evtchn
>> 229 fuse
>> 61 ecryptfs
>> 231 snapshot
>> 227 mcelog
>> 62 rfkill
>> 63 vga_arbiter
>> % ll /dev/xen
>> total 0
>> crw-rw---- 1 root root 10, 60 2010-10-27 17:32 evtchn
>> crw-rw---- 1 root root 10, 59 2010-10-27 17:32 gntdev
>>
>> 3) I am really running dom)
>> % cat /proc/xen/capabilities
>> control_d
>>
>> 4) /var/log/xen shows the following errors:
>>
>> xend.log
>>
>> [2010-10-27 17:32:31 1307] INFO (SrvDaemon:331) Xend Daemon started
>> [2010-10-27 17:32:31 1307] INFO (SrvDaemon:335) Xend changeset: Wed Aug 25
>> 09:22:42 2010 +0100 21324:b536ebfba183.
>> [2010-10-27 17:32:31 1307] ERROR (SrvDaemon:347) Exception starting xend
>> ((13, 'Permission denied'))
>> Traceback (most recent call last):
>> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvDaemon.py", line
>> 339, in run
>> servers = SrvServer.create()
>> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvServer.py", line
>> 251, in create
>> root.putChild('xend', SrvRoot())
>> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvRoot.py", line
>> 40, in __init__
>> self.get(name)
>> File "/usr/lib/python2.6/dist-packages/xen/web/SrvDir.py", line 82, in get
>> val = val.getobj()
>> File "/usr/lib/python2.6/dist-packages/xen/web/SrvDir.py", line 52, in
>> getobj
>> self.obj = klassobj()
>> File "/usr/lib/python2.6/dist-packages/xen/xend/server/SrvNode.py", line
>> 30, in __init__
>> self.xn = XendNode.instance()
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 752, in
>> instance
>> inst = XendNode()
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 87, in
>> __init__
>> self.other_config["xen_pagesize"] = self.xeninfo_dict()["xen_pagesize"]
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 741, in
>> xeninfo_dict
>> return dict(self.xeninfo())
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 685, in
>> xeninfo
>> info['xen_scheduler'] = self.xenschedinfo()
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendNode.py", line 675, in
>> xenschedinfo
>> sched_id = self.xc.sched_id_get()
>> Error: (13, 'Permission denied')
>>
>>
>> xend-debug.log
>>
>> Xend started at Wed Oct 27 17:32:31 2010.
>> domctl operation failed -- need to rebuild the user-space tool set?
>> sysctl operation failed -- need to rebuild the user-space tool set?
>> Exception starting xend: (13, 'Permission denied')
>> Exception in thread Thread-2:
>> Traceback (most recent call last):
>> File "/usr/lib/python2.6/threading.py", line 532, in __bootstrap_inner
>> self.run()
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendMonitor.py", line 230,
>> in run
>> for domid, cputimes in self._get_cpu_stats().items():
>> File "/usr/lib/python2.6/dist-packages/xen/xend/XendMonitor.py", line 208,
>> in _get_cpu_stats
>> for domain in self.xc.domain_getinfo():
>> Error: (13, 'Permission denied')
>>
>>
>>
>> Does anyone have any Idea of how can I start xend correctly ?
>>
>> Thank you!
>>
>> --
>> David Cemin
>>
>
>
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