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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-users] Infinite loop shutting down xendomains
More info on the network script at the bottom - John
On Sat, 2006-01-28 at 23:14 -0500, John A. Sullivan III wrote:
> Pardon me for a long detailed post but this looks pretty serious. The
> bottom line is that, when I attempt to shut down or reboot my simple
> xen-2.0.7 server running FC3 with two domUs, shutting down xendomains
> appears to send python into an infinite loop. This may be due to a
> serious misconfiguration on my part but it is certainly a big problem.
>
> If we shutdown the domUs manually first, the system reboots perfectly
> fine.
>
> I'll describe some history and include lots of log information. The
> configuration is slightly unusual. Both domUs are VPN gateways running
> the 2.4.30 kernel with openswan and openvpn. Because of the openvpn,
> but are privileged domains but the only device driver configured in the
> kernel is the openvpn tun/tap adapter.
>
> We first noticed problems during shutdown in that the last domU to
> shutdown crashed very nastily when closing openvpn. We could see this
> even when manually stopping the domUs. We surmised that the problem was
> we had tun0 and tun1 defined in both domains and killing them in one
> must be killing them in another. We renamed those tun adapters in the
> second domain to tun10 and tun11 and that problem went away.
>
> We still noticed very long reboot times. The hang seemed to be at
> killall but the "logjam" seemed to break after xendomains errored out.
> We assumed this was because killall killed something that xendomains
> needed to shutdown gracefully so we added explicit K scripts in rc0.d
> and rc6.d for xend and xendomains.
>
> At first this seemed to work but it must have been only coincidental
> because the problem returned. We then realized we had brain cramped and
> shutdown xend before xendomains. We thought for sure we had found the
> problem and put them in the proper order but, alas, the problem did not
> go away.
>
> To gain a little more insight into exactly what was happening, we
> manually ran each kill script in rc6.d. When we ran K78xendomains stop,
> we saw the problem, or at least many aspect of it.
>
> >From a xen console, we saw that the first domU had cleanly shutdown but
> the second one was still listed howbeit with zero memory.
>
> The hard disks were thrashing madly and top showed python consuming 99.9
> percent CPU utilization. Most of the time, during reboot, we do not see
> the madly thrashing disks. They do so for a moment as one might expect
> when shutting down the domains but then just blip occasionally
> thereafter.
>
> Here is what we see in the logs:
>
> >From messages (ntpd was the last service stopped before xendomains):
> Jan 28 22:05:49 xenpub1dc1 ntpd[3652]: ntpd exiting on signal 15
> Jan 28 22:05:49 xenpub1dc1 ntpd: ntpd shutdown succeeded
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.0 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.1 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:23 xenpub1dc1 net.agent[4714]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4723]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4737]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4746]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.0 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.1 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 net.agent[4774]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4766]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4789]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4798]: remove event not handled
>
> Here is the complete xend-debug.log:
> network start bridge=xen-br0 netdev=eth0 antispoof=no
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c0319394
> Init. ramdisk: c031a000->c031a000
> Phys-Mach map: c031a000->c0332000
> Page tables: c0332000->c0334000
> Start info: c0334000->c0335000
> Boot stack: c0335000->c0336000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif1.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge up vif=vif1.1 domain=niagras1 mac=aa:00:00:58:4a:a7
> bridge=xen-br0
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c0319394
> Init. ramdisk: c031a000->c031a000
> Phys-Mach map: c031a000->c0332000
> Page tables: c0332000->c0334000
> Start info: c0334000->c0335000
> Boot stack: c0335000->c0336000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif2.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge up vif=vif2.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 44763, 'rx_shmem_frame':
> 44764, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 44767, 'rx_shmem_frame':
> 44768, 'handle': 1}
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 69339, 'rx_shmem_frame':
> 69340, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 69343, 'rx_shmem_frame':
> 69344, 'handle': 1}
> {}
> {}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif2.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge down vif=vif2.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif1.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge down vif=vif1.1 domain=niagras1 mac=aa:00:00:26:24:c4
> bridge=xen-br0
> Traceback (most recent call last):
> File "/usr/lib/python2.3/site-packages/twisted/protocols/basic.py",
> line 229, in dataReceived
> return self.rawDataReceived(data)
> File "/usr/lib/python2.3/site-packages/twisted/protocols/http.py",
> line 1015, in rawDataReceived
> self.allContentReceived()
> File "/usr/lib/python2.3/site-packages/twisted/protocols/http.py",
> line 1006, in allContentReceived
> req.requestReceived(command, path, version)
> File "/usr/lib/python2.3/site-packages/twisted/protocols/http.py",
> line 557, in requestReceived
> self.process()
> --- <exception caught here> ---
> File "/usr/lib/python2.3/site-packages/twisted/web/server.py", line
> 165, in process
> self.render(resrc)
> File "/usr/lib/python2.3/site-packages/twisted/web/server.py", line
> 172, in render
> body = resrc.render(self)
> File "/usr/lib/python2.3/site-packages/twisted/web/resource.py", line
> 201, in render
> return m(request)
> File "/usr/lib/python/xen/xend/server/SrvDomain.py", line 180, in
> render_POST
> return self.perform(req)
> File "/usr/lib/python/xen/xend/server/SrvBase.py", line 103, in
> perform
> return self._perform(op, op_method, req)
> File "/usr/lib/python/xen/xend/server/SrvBase.py", line 109, in
> _perform
> return self._perform_err(err, op, req)
> File "/usr/lib/python/xen/xend/server/SrvBase.py", line 107, in
> _perform
> val = op_method(op, req)
> File "/usr/lib/python/xen/xend/server/SrvDomain.py", line 47, in
> op_shutdown
> val = fn(req.args, {'dom': self.dom.id})
> File "/usr/lib/python/xen/xend/Args.py", line 145, in __call__
> return self.call_with_form_args(self.fn, fargs, xargs=xargs)
> File "/usr/lib/python/xen/xend/Args.py", line 121, in
> call_with_form_args
> return fn(*params, **keys)
> File "/usr/lib/python/xen/xend/XendDomain.py", line 477, in
> domain_shutdown
> val = xend.domain_shutdown(dominfo.id, reason, key)
> File "/usr/lib/python/xen/xend/server/SrvDaemon.py", line 723, in
> domain_shutdown
> ctrl = self.domainCF.getController(dom)
> File "/usr/lib/python/xen/xend/server/controller.py", line 323, in
> getController
> ctrl = self.createController(dom)
> File "/usr/lib/python/xen/xend/server/domain.py", line 20, in
> createController
> return DomainController(self, dom)
> File "/usr/lib/python/xen/xend/server/domain.py", line 38, in __init__
> self.registerChannel()
> File "/usr/lib/python/xen/xend/server/controller.py", line 220, in
> registerChannel
> self.channel = self.channelFactory.domChannel(self.dom)
> File "/usr/lib/python/xen/xend/server/channel.py", line 83, in
> domChannel
> remote_port=remote_port)
> File "/usr/lib/python/xen/xend/server/channel.py", line 253, in
> __init__
> remote_port=remote_port)
> File "/usr/lib/python/xen/xend/server/channel.py", line 137, in
> createPort
> remote_port=int(remote_port))
> xen.lowlevel.xu.PortError: Failed to map domain control interface
> /usr/lib/python2.3/site-packages/twisted/web/util.py:290: FutureWarning:
> hex()/oct() of negative int will return a signed string in Python 2.4
> and up
> return '''<div class="instance"><span class="instanceName">%s instance
> @ %s</span>
> /usr/lib/python2.3/site-packages/twisted/web/util.py:266: FutureWarning:
> hex()/oct() of negative int will return a signed string in Python 2.4
> and up
> w('<div class="dict"><span class="heading">Dictionary instance @ %
> s</span>' % hex(id(d)))
> /usr/lib/python2.3/site-packages/twisted/web/util.py:279: FutureWarning:
> hex()/oct() of negative int will return a signed string in Python 2.4
> and up
> w('<div class="list"><span class="heading">List instance @ %s</span>'
> % hex(id(l)))
>
> Init. ramdisk: c031a000->c031a000
> Phys-Mach map: c031a000->c0332000
> Page tables: c0332000->c0334000
> Start info: c0334000->c0335000
> Boot stack: c0335000->c0336000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif7.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge up vif=vif7.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 88257, 'rx_shmem_frame':
> 88258, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 88261, 'rx_shmem_frame':
> 88262, 'handle': 1}
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c0319394
> Init. ramdisk: c031a000->c031a000
> Phys-Mach map: c031a000->c0332000
> Page tables: c0332000->c0334000
> Start info: c0334000->c0335000
> Boot stack: c0335000->c0336000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif8.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge up vif=vif8.1 domain=niagras1 mac=aa:00:00:53:7a:5b
> bridge=xen-br0
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 185025, 'rx_shmem_frame':
> 185026, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 185029, 'rx_shmem_frame':
> 185030, 'handle': 1}
> {}
> {}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif8.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge down vif=vif8.1 domain=niagras1 mac=aa:00:00:53:7a:5b
> bridge=xen-br0
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif7.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge down vif=vif7.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> -bridge down vif=vif4.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif4.1 does not exist!
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c02c9df4
> Init. ramdisk: c02ca000->c02ca000
> Phys-Mach map: c02ca000->c02e2000
> Page tables: c02e2000->c02e4000
> Start info: c02e4000->c02e5000
> Boot stack: c02e5000->c02e6000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge up vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 202459, 'rx_shmem_frame':
> 202460, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 202463, 'rx_shmem_frame':
> 202464, 'handle': 1}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge down vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
>
> Here is the information from xend.log:
> Jan 28 22:05:49 xenpub1dc1 ntpd[3652]: ntpd exiting on signal 15
> Jan 28 22:05:49 xenpub1dc1 ntpd: ntpd shutdown succeeded
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.0 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.1 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:23 xenpub1dc1 net.agent[4714]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4723]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4737]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4746]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.0 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.1 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 net.agent[4774]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4766]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4789]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4798]: remove event not handled
> Jan 28 22:18:03 xenpub1dc1 shutdown: shutting down for system reboot
> Jan 28 22:18:03 xenpub1dc1 init: Switching to runlevel: 6
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3781]: session closed for
> user root
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3779]: session closed for
> user root
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3780]: session closed for
> user root
> Jan 28 22:18:04 xenpub1dc1 xendomains: Shutting down all Xen domains:
> Jan 28 22:18:05 xenpub1dc1 xendomains: Error: Internal Server Error
> Jan 28 22:18:05 xenpub1dc1 xendomains: failed
> Jan 28 22:18:05 xenpub1dc1 xendomains:
> Jan 28 22:18:05 xenpub1dc1 rc: Stopping xendomains: failed
> Jan 28 22:18:05 xenpub1dc1 kernel: Kernel logging (proc) stopped.
> Jan 28 22:18:05 xenpub1dc1 kernel: Kernel log daemon terminating.
> Jan 28 22:18:06 xenpub1dc1 syslog: klogd shutdown succeeded
> Jan 28 22:18:06 xenpub1dc1 exiting on signal 15
> Jan 28 22:20:06 xenpub1dc1 syslogd 1.4.1: restart.
> Jan 28 22:20:06 xenpub1dc1 syslog: syslogd startup succeeded
> Jan 28 22:20:06 xenpub1dc1 kernel: klogd 1.4.1, log source = /proc/kmsg
> started.
> Jan 28 22:20:06 xenpub1dc1 kernel: Linux version 2.6.11.12-xen0
> (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 3.4.4 20050721 (Red Hat
> 3.4.4-2)) #4 Thu Jan
> File messages not changed so no update needed.
> [root@xenpub1dc1 log]# ls
> acpid boot.log.1 cron.2 mail messages prelink.log
> samba spooler wtmp xfrd.log
> anaconda.log boot.log.2 cups maillog messages.1 rpmpkgs
> secure spooler.1 xend-debug.log Xorg.0.log
> anaconda.syslog cron dmesg maillog.1 messages.2 rpmpkgs.1
> secure.1 spooler.2 xend.log Xorg.0.log.old
> boot.log cron.1 lastlog maillog.2 ppp rpmpkgs.2
> secure.2 vbox xend.log.1 yum.log
> [root@xenpub1dc1 log]# joe xend-debug.log
> Processing '/etc/joe/joerc'...done
> Processing '/etc/joe/joerc'...done
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> I xend-debug.log
> Row 171 Col 1 11:02 Ctrl-K H for help
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 185025, 'rx_shmem_frame':
> 185026, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 185029, 'rx_shmem_frame':
> 185030, 'handle': 1}
> {}
> {}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif8.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge down vif=vif8.1 domain=niagras1 mac=aa:00:00:53:7a:5b
> bridge=xen-br0
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif7.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge down vif=vif7.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> -bridge down vif=vif4.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif4.1 does not exist!
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c02c9df4
> Init. ramdisk: c02ca000->c02ca000
> Phys-Mach map: c02ca000->c02e2000
> Page tables: c02e2000->c02e4000
> Start info: c02e4000->c02e5000
> Boot stack: c02e5000->c02e6000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge up vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 202459, 'rx_shmem_frame':
> 202460, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 202463, 'rx_shmem_frame':
> 202464, 'handle': 1}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge down vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
>
> File xend-debug.log not changed so no update needed.
> [root@xenpub1dc1 log]# ls
> acpid boot.log.1 cron.2 mail messages prelink.log
> samba spooler wtmp xfrd.log
> anaconda.log boot.log.2 cups maillog messages.1 rpmpkgs
> secure spooler.1 xend-debug.log Xorg.0.log
> anaconda.syslog cron dmesg maillog.1 messages.2 rpmpkgs.1
> secure.1 spooler.2 xend.log Xorg.0.log.old
> boot.log cron.1 lastlog maillog.2 ppp rpmpkgs.2
> secure.2 vbox xend.log.1 yum.log
> [root@xenpub1dc1 log]# joe xend.log
> Processing '/etc/joe/joerc'...done
> Processing '/etc/joe/joerc'...done
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> I xend.log
> Row 6079 Col 1 11:04 Ctrl-K H for help
> [2006-01-28 22:06:09 xend] INFO (XendRoot:113) EVENT>
> xend.domain.shutdown ['vpn1dc1', '2', 'halt']
> [2006-01-28 22:06:09 xend] INFO (XendRoot:113) EVENT>
> xend.domain.shutdown ['niagras1', '1', 'halt']
> [2006-01-28 22:06:22 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=niagras1 id=1
> [2006-01-28 22:06:22 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=1 reason=poweroff
> [2006-01-28 22:06:22 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 1 poweroff 0
> [2006-01-28 22:06:22 xend] INFO (XendDomain:568) Destroying domain:
> name=niagras1
> [2006-01-28 22:06:22 xend] DEBUG (XendDomainInfo:665) Destroying vifs
> for domain 1
> [2006-01-28 22:06:22 xend] DEBUG (netif:305) Destroying vif domain=1
> vif=0
> [2006-01-28 22:06:22 xend] DEBUG (netif:305) Destroying vif domain=1
> vif=1
> [2006-01-28 22:06:22 xend] DEBUG (XendDomainInfo:674) Destroying vbds
> for domain 1
> [2006-01-28 22:06:22 xend] DEBUG (blkif:552) Destroying blkif domain=1
> [2006-01-28 22:06:22 xend] DEBUG (blkif:408) Destroying vbd domain=1
> idx=0
> [2006-01-28 22:06:22 xend] DEBUG (blkif:408) Destroying vbd domain=1
> idx=1
> [2006-01-28 22:06:22 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 1
> [2006-01-28 22:06:22 xend] DEBUG (XendDomainInfo:622) Closing channel to
> domain 1
> [2006-01-28 22:06:22 xend] INFO (XendRoot:113) EVENT> xend.virq 4
> [2006-01-28 22:06:22 xend] DEBUG (blkif:363) Unbinding vbd (type phy)
> from VG1/niagras1root
> [2006-01-28 22:06:22 xend] DEBUG (blkif:363) Unbinding vbd (type phy)
> from VG1/niagras1swap
> [2006-01-28 22:06:22 xend] INFO (console:58) Console disconnected 15
> 127.0.0.1 3484
> [2006-01-28 22:06:22 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['niagras1', '1', 'poweroff']
> [2006-01-28 22:06:22 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['niagras1', '1']
> [2006-01-28 22:06:22 xend] INFO (XendRoot:113) EVENT>
> xend.console.disconnect [15, '127.0.0.1', 3484]
> [2006-01-28 22:06:23 xend] INFO (XendRoot:113) EVENT> xend.domain.died
> ['niagras1', '1']
> [2006-01-28 22:06:24 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:24 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:24 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:24 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:24 xend] DEBUG (XendDomainInfo:665) Destroying vifs
> for domain 2
> [2006-01-28 22:06:24 xend] DEBUG (netif:305) Destroying vif domain=2
> vif=0
> [2006-01-28 22:06:24 xend] DEBUG (netif:305) Destroying vif domain=2
> vif=1
> [2006-01-28 22:06:24 xend] DEBUG (XendDomainInfo:674) Destroying vbds
> for domain 2
> [2006-01-28 22:06:24 xend] DEBUG (blkif:552) Destroying blkif domain=2
> [2006-01-28 22:06:24 xend] DEBUG (blkif:408) Destroying vbd domain=2
> idx=0
> [2006-01-28 22:06:24 xend] DEBUG (blkif:408) Destroying vbd domain=2
> idx=1
> [2006-01-28 22:06:24 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:24 xend] DEBUG (XendDomainInfo:622) Closing channel to
> domain 2
> [2006-01-28 22:06:24 xend] INFO (XendRoot:113) EVENT> xend.virq 4
> [2006-01-28 22:06:24 xend] DEBUG (blkif:363) Unbinding vbd (type phy)
> from VG1/vpn1dc1root
> [2006-01-28 22:06:24 xend] DEBUG (blkif:363) Unbinding vbd (type phy)
> from VG1/vpn1dc1swap
> [2006-01-28 22:06:24 xend] INFO (console:58) Console disconnected 16
> 127.0.0.1 3986
> [2006-01-28 22:06:24 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> Jan 28 22:05:49 xenpub1dc1 ntpd[3652]: ntpd exiting on signal 15
> Jan 28 22:05:49 xenpub1dc1 ntpd: ntpd shutdown succeeded
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.0 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.1 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:23 xenpub1dc1 net.agent[4714]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4723]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4737]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4746]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.0 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.1 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 net.agent[4774]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4766]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4789]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4798]: remove event not handled
> Jan 28 22:18:03 xenpub1dc1 shutdown: shutting down for system reboot
> Jan 28 22:18:03 xenpub1dc1 init: Switching to runlevel: 6
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3781]: session closed for
> user root
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3779]: session closed for
> user root
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3780]: session closed for
> user root
> Jan 28 22:18:04 xenpub1dc1 xendomains: Shutting down all Xen domains:
> Jan 28 22:18:05 xenpub1dc1 xendomains: Error: Internal Server Error
> Jan 28 22:18:05 xenpub1dc1 xendomains: failed
> Jan 28 22:18:05 xenpub1dc1 xendomains:
> Jan 28 22:18:05 xenpub1dc1 rc: Stopping xendomains: failed
> Jan 28 22:18:05 xenpub1dc1 kernel: Kernel logging (proc) stopped.
> Jan 28 22:18:05 xenpub1dc1 kernel: Kernel log daemon terminating.
> Jan 28 22:18:06 xenpub1dc1 syslog: klogd shutdown succeeded
> Jan 28 22:18:06 xenpub1dc1 exiting on signal 15
> Jan 28 22:20:06 xenpub1dc1 syslogd 1.4.1: restart.
> Jan 28 22:20:06 xenpub1dc1 syslog: syslogd startup succeeded
> Jan 28 22:20:06 xenpub1dc1 kernel: klogd 1.4.1, log source = /proc/kmsg
> started.
> Jan 28 22:20:06 xenpub1dc1 kernel: Linux version 2.6.11.12-xen0
> (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 3.4.4 20050721 (Red Hat
> 3.4.4-2)) #4 Thu Jan
> File messages not changed so no update needed.
> [root@xenpub1dc1 log]# ls
> acpid boot.log.1 cron.2 mail messages prelink.log
> samba spooler wtmp xfrd.log
> anaconda.log boot.log.2 cups maillog messages.1 rpmpkgs
> secure spooler.1 xend-debug.log Xorg.0.log
> anaconda.syslog cron dmesg maillog.1 messages.2 rpmpkgs.1
> secure.1 spooler.2 xend.log Xorg.0.log.old
> boot.log cron.1 lastlog maillog.2 ppp rpmpkgs.2
> secure.2 vbox xend.log.1 yum.log
> [root@xenpub1dc1 log]# joe xend-debug.log
> Processing '/etc/joe/joerc'...done
> Processing '/etc/joe/joerc'...done
>
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> I xend-debug.log
> Row 171 Col 1 11:02 Ctrl-K H for help
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 185025, 'rx_shmem_frame':
> 185026, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 185029, 'rx_shmem_frame':
> 185030, 'handle': 1}
> {}
> {}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif8.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge down vif=vif8.1 domain=niagras1 mac=aa:00:00:53:7a:5b
> bridge=xen-br0
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif7.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge down vif=vif7.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> -bridge down vif=vif4.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif4.1 does not exist!
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c02c9df4
> Init. ramdisk: c02ca000->c02ca000
> Phys-Mach map: c02ca000->c02e2000
> Page tables: c02e2000->c02e4000
> Start info: c02e4000->c02e5000
> Boot stack: c02e5000->c02e6000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge up vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 202459, 'rx_shmem_frame':
> 202460, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 202463, 'rx_shmem_frame':
> 202464, 'handle': 1}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge down vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
>
> File xend-debug.log not changed so no update needed.
> [root@xenpub1dc1 log]# ls
> acpid boot.log.1 cron.2 mail messages prelink.log
> samba spooler wtmp xfrd.log
> anaconda.log boot.log.2 cups maillog messages.1 rpmpkgs
> secure spooler.1 xend-debug.log Xorg.0.log
> anaconda.syslog cron dmesg maillog.1 messages.2 rpmpkgs.1
> secure.1 spooler.2 xend.log Xorg.0.log.old
> boot.log cron.1 lastlog maillog.2 ppp rpmpkgs.2
> secure.2 vbox xend.log.1 yum.log
> [root@xenpub1dc1 log]# joe xend.log
> Processing '/etc/joe/joerc'...done
> Processing '/etc/joe/joerc'...done
>
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> I xend.log
> Row 6077 Col 91 11:06 Ctrl-K H for help
> [2006-01-28 22:06:24 xend] DEBUG (blkif:363) Unbinding vbd (type phy)
> from VG1/vpn1dc1swap
> [2006-01-28 22:06:24 xend] INFO (console:58) Console disconnected 16
> 127.0.0.1 3986
> [2006-01-28 22:06:24 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:24 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:24 xend] INFO (XendRoot:113) EVENT>
> xend.console.disconnect [16, '127.0.0.1', 3986]
> [2006-01-28 22:06:26 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:26 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:26 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:26 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:26 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:26 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:26 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:28 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:28 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:28 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:28 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:28 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:28 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:28 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:30 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:30 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:30 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:30 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:30 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:30 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:30 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:32 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:32 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:32 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:32 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:32 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:32 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:32 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:34 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:34 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:34 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:34 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:34 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:34 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:34 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:36 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> Jan 28 22:05:49 xenpub1dc1 ntpd[3652]: ntpd exiting on signal 15
> Jan 28 22:05:49 xenpub1dc1 ntpd: ntpd shutdown succeeded
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.0 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 2(vif1.0) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: device vif1.1 left promiscuous mode
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:22 xenpub1dc1 kernel: xen-br0: port 3(vif1.1) entering
> disabled state
> Jan 28 22:06:23 xenpub1dc1 net.agent[4714]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4723]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4737]: remove event not handled
> Jan 28 22:06:23 xenpub1dc1 net.agent[4746]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.0 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br0: port 4(vif2.0) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: device vif2.1 left promiscuous mode
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 kernel: xen-br1: port 2(vif2.1) entering
> disabled state
> Jan 28 22:06:24 xenpub1dc1 net.agent[4774]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4766]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4789]: remove event not handled
> Jan 28 22:06:24 xenpub1dc1 net.agent[4798]: remove event not handled
> Jan 28 22:18:03 xenpub1dc1 shutdown: shutting down for system reboot
> Jan 28 22:18:03 xenpub1dc1 init: Switching to runlevel: 6
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3781]: session closed for
> user root
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3779]: session closed for
> user root
> Jan 28 22:18:03 xenpub1dc1 login(pam_unix)[3780]: session closed for
> user root
> Jan 28 22:18:04 xenpub1dc1 xendomains: Shutting down all Xen domains:
> Jan 28 22:18:05 xenpub1dc1 xendomains: Error: Internal Server Error
> Jan 28 22:18:05 xenpub1dc1 xendomains: failed
> Jan 28 22:18:05 xenpub1dc1 xendomains:
> Jan 28 22:18:05 xenpub1dc1 rc: Stopping xendomains: failed
> Jan 28 22:18:05 xenpub1dc1 kernel: Kernel logging (proc) stopped.
> Jan 28 22:18:05 xenpub1dc1 kernel: Kernel log daemon terminating.
> Jan 28 22:18:06 xenpub1dc1 syslog: klogd shutdown succeeded
> Jan 28 22:18:06 xenpub1dc1 exiting on signal 15
> Jan 28 22:20:06 xenpub1dc1 syslogd 1.4.1: restart.
> Jan 28 22:20:06 xenpub1dc1 syslog: syslogd startup succeeded
> Jan 28 22:20:06 xenpub1dc1 kernel: klogd 1.4.1, log source = /proc/kmsg
> started.
> Jan 28 22:20:06 xenpub1dc1 kernel: Linux version 2.6.11.12-xen0
> (root@xxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 3.4.4 20050721 (Red Hat
> 3.4.4-2)) #4 Thu Jan
> File messages not changed so no update needed.
> [root@xenpub1dc1 log]# ls
> acpid boot.log.1 cron.2 mail messages prelink.log
> samba spooler wtmp xfrd.log
> anaconda.log boot.log.2 cups maillog messages.1 rpmpkgs
> secure spooler.1 xend-debug.log Xorg.0.log
> anaconda.syslog cron dmesg maillog.1 messages.2 rpmpkgs.1
> secure.1 spooler.2 xend.log Xorg.0.log.old
> boot.log cron.1 lastlog maillog.2 ppp rpmpkgs.2
> secure.2 vbox xend.log.1 yum.log
> [root@xenpub1dc1 log]# joe xend-debug.log
> Processing '/etc/joe/joerc'...done
> Processing '/etc/joe/joerc'...done
>
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> I xend-debug.log
> Row 171 Col 1 11:02 Ctrl-K H for help
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 185025, 'rx_shmem_frame':
> 185026, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 185029, 'rx_shmem_frame':
> 185030, 'handle': 1}
> {}
> {}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif8.0 domain=niagras1 mac=02:00:00:01:02:00
> bridge=xen-br0
> vif-bridge down vif=vif8.1 domain=niagras1 mac=aa:00:00:53:7a:5b
> bridge=xen-br0
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif7.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> vif-bridge down vif=vif7.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> -bridge down vif=vif4.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif4.1 does not exist!
> VIRTUAL MEMORY ARRANGEMENT:
> Loaded kernel: c0100000->c02c9df4
> Init. ramdisk: c02ca000->c02ca000
> Phys-Mach map: c02ca000->c02e2000
> Page tables: c02e2000->c02e4000
> Start info: c02e4000->c02e5000
> Boot stack: c02e5000->c02e6000
> TOTAL: c0000000->c0400000
> ENTRY ADDRESS: c0100000
> vif-bridge up vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge up vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
> recv_fe_driver_status> {'status': 1}
>
> recv_fe_driver_status>
>
> recv_fe_interface_connect {'tx_shmem_frame': 202459, 'rx_shmem_frame':
> 202460, 'handle': 0}
>
> recv_fe_interface_connect {'tx_shmem_frame': 202463, 'rx_shmem_frame':
> 202464, 'handle': 1}
> VirqClient.virqReceived> 4
> vif-bridge down vif=vif5.0 domain=vpn1dc1 mac=02:00:00:01:01:00
> bridge=xen-br0
> interface vif5.0 does not exist!
> vif-bridge down vif=vif5.1 domain=vpn1dc1 mac=02:00:00:01:01:01
> bridge=xen-br1
> interface vif5.1 does not exist!
>
> File xend-debug.log not changed so no update needed.
> [root@xenpub1dc1 log]# ls
> acpid boot.log.1 cron.2 mail messages prelink.log
> samba spooler wtmp xfrd.log
> anaconda.log boot.log.2 cups maillog messages.1 rpmpkgs
> secure spooler.1 xend-debug.log Xorg.0.log
> anaconda.syslog cron dmesg maillog.1 messages.2 rpmpkgs.1
> secure.1 spooler.2 xend.log Xorg.0.log.old
> boot.log cron.1 lastlog maillog.2 ppp rpmpkgs.2
> secure.2 vbox xend.log.1 yum.log
> [root@xenpub1dc1 log]# joe xend.log
> Processing '/etc/joe/joerc'...done
> Processing '/etc/joe/joerc'...done
>
>
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>
>
>
>
>
>
>
>
>
>
>
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>
>
>
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>
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>
> I xend.log
> Row 6157 Col 100 11:07 Ctrl-K H for help
> [2006-01-28 22:06:36 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:36 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:36 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:36 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:36 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:36 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:36 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:38 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:38 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:38 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:38 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:38 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:38 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:38 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:40 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:40 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:40 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:40 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:40 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:40 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:40 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:42 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:42 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:42 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:42 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:42 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:42 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:42 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:44 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:44 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:44 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:44 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:44 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:44 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:44 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:46 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:46 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:46 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:46 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:46 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:46 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:46 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:48 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:48 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:48 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:48 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:48 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:48 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:48 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:50 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:50 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:50 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:50 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:50 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:50 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:50 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:52 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:52 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:52 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:52 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:52 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:52 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:52 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:54 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:54 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:54 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:54 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:54 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:54 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:54 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:56 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:56 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:56 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:56 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> [2006-01-28 22:06:56 xend] DEBUG (XendDomainInfo:634) Closing console,
> domain 2
> [2006-01-28 22:06:56 xend] INFO (XendRoot:113) EVENT> xend.domain.exit
> ['vpn1dc1', '2', 'poweroff']
> [2006-01-28 22:06:56 xend] INFO (XendRoot:113) EVENT>
> xend.domain.destroy ['vpn1dc1', '2']
> [2006-01-28 22:06:57 xend] DEBUG (XendDomain:244) XendDomain>reap>
> domain died name=vpn1dc1 id=2
> [2006-01-28 22:06:57 xend] DEBUG (XendDomain:247) XendDomain>reap>
> shutdown id=2 reason=poweroff
> [2006-01-28 22:06:57 xend] DEBUG (XendDomain:487)
> domain_restart_schedule> 2 poweroff 0
> [2006-01-28 22:06:57 xend] INFO (XendDomain:568) Destroying domain:
> name=vpn1dc1
> etc., etc., etc.
>
> Here are the configuration files for the two domUs:
> # -*- mode: python; -*-
> #============================================================================
> # Python configuration setup for 'xm create'.
> # This script sets the parameters used when a domain is created using
> 'xm create'.
> # You use a separate script for each domain you want to create, or
> # you can set the parameters for the domain on the xm command line.
> #============================================================================
>
> #----------------------------------------------------------------------------
> # Kernel image file.
> kernel = "/boot/vmlinuz-2.4.30-xenUVPN"
>
> # Optional ramdisk.
> #ramdisk = "/boot/initrd.gz"
>
> # The domain build function. Default is 'linux'.
> #builder='linux'
>
> # Initial memory allocation (in megabytes) for the new domain.
> memory = 96
>
> # A name for your domain. All domains must have different names.
> name = "niagras1"
>
> # Which CPU to start domain on?
> #cpu = -1 # leave to Xen to pick
>
> #----------------------------------------------------------------------------
> # Define network interfaces.
>
> # Number of network interfaces. Default is 1.
> nics=2
>
> # Optionally define mac and/or bridge for the network interfaces.
> # Random MACs are assigned if not given.
> #vif = [ 'mac=aa:00:00:00:00:11, bridge=xen-br0' ]
>
> vif = ['mac=02:00:00:01:02:00, bridge=xen-br0' ]
>
> #----------------------------------------------------------------------------
> # Define the disk devices you want the domain to have access to, and
> # what you want them accessible as.
> # Each disk entry is of the form phy:UNAME,DEV,MODE
> # where UNAME is the device, DEV is the device name the domain will see,
> # and MODE is r for read-only, w for read-write.
>
> #disk = [ 'phy:hda1,hda1,w' ]
>
> disk = [ 'phy:VG1/niagras1root,sda1,w', 'phy:VG1/niagras1swap,sda2,w' ]
>
> #----------------------------------------------------------------------------
> # Set the kernel command line for the new domain.
> # You only need to define the IP parameters and hostname if the domain's
> # IP config doesn't, e.g. in ifcfg-eth0 or via DHCP.
> # You can use 'extra' to set the runlevel and custom environment
> # variables used by custom rc scripts (e.g. VMID=, usr= ).
>
> # Set if you want dhcp to allocate the IP address.
> #dhcp="dhcp"
> # Set netmask.
> #netmask=
> # Set default gateway.
> #gateway=
> # Set the hostname.
> #hostname= "vm%d" % vmid
>
> # Set root device.
> root = "/dev/sda1 ro"
>
> # Root device for nfs.
> #root = "/dev/nfs"
> # The nfs server.
> #nfs_server = '169.254.1.0'
> # Root directory on the nfs server.
> #nfs_root = '/full/path/to/root/directory'
>
> # Sets runlevel 4.
> #extra = "4"
>
> #----------------------------------------------------------------------------
> # Set according to whether you want the domain restarted when it exits.
> # The default is 'onreboot', which restarts the domain when it shuts
> down
> # with exit code reboot.
> # Other values are 'always', and 'never'.
>
> #restart = 'onreboot'
>
> #============================================================================
>
>
> # -*- mode: python; -*-
> #============================================================================
> # Python configuration setup for 'xm create'.
> # This script sets the parameters used when a domain is created using
> 'xm create'.
> # You use a separate script for each domain you want to create, or
> # you can set the parameters for the domain on the xm command line.
> #============================================================================
>
> #----------------------------------------------------------------------------
> # Kernel image file.
> kernel = "/boot/vmlinuz-2.4.30-xenUVPN"
>
> # Optional ramdisk.
> #ramdisk = "/boot/initrd.gz"
>
> # The domain build function. Default is 'linux'.
> #builder='linux'
>
> # Initial memory allocation (in megabytes) for the new domain.
> memory = 96
>
> # A name for your domain. All domains must have different names.
> name = "vpn1dc1"
>
> # Which CPU to start domain on?
> #cpu = -1 # leave to Xen to pick
>
> #----------------------------------------------------------------------------
> # Define network interfaces.
>
> # Number of network interfaces. Default is 1.
> nics=2
>
> # Optionally define mac and/or bridge for the network interfaces.
> # Random MACs are assigned if not given.
> #vif = [ 'mac=aa:00:00:00:00:11, bridge=xen-br0' ]
>
> vif = ['mac=02:00:00:01:01:00, bridge=xen-br0', 'mac=02:00:00:01:01:01,
> bridge=xen-br1' ]
>
> #----------------------------------------------------------------------------
> # Define the disk devices you want the domain to have access to, and
> # what you want them accessible as.
> # Each disk entry is of the form phy:UNAME,DEV,MODE
> # where UNAME is the device, DEV is the device name the domain will see,
> # and MODE is r for read-only, w for read-write.
>
> #disk = [ 'phy:hda1,hda1,w' ]
>
> disk = [ 'phy:VG1/vpn1dc1root,sda1,w', 'phy:VG1/vpn1dc1swap,sda2,w' ]
>
> #----------------------------------------------------------------------------
> # Set the kernel command line for the new domain.
> # You only need to define the IP parameters and hostname if the domain's
> # IP config doesn't, e.g. in ifcfg-eth0 or via DHCP.
> # You can use 'extra' to set the runlevel and custom environment
> # variables used by custom rc scripts (e.g. VMID=, usr= ).
>
> # Set if you want dhcp to allocate the IP address.
> #dhcp="dhcp"
> # Set netmask.
> #netmask=
> # Set default gateway.
> #gateway=
> # Set the hostname.
> #hostname= "vm%d" % vmid
>
> # Set root device.
> root = "/dev/sda1 ro"
>
> # Root device for nfs.
> #root = "/dev/nfs"
> # The nfs server.
> #nfs_server = '169.254.1.0'
> # Root directory on the nfs server.
> #nfs_root = '/full/path/to/root/directory'
>
> # Sets runlevel 4.
> #extra = "4"
>
> #----------------------------------------------------------------------------
> # Set according to whether you want the domain restarted when it exits.
> # The default is 'onreboot', which restarts the domain when it shuts
> down
> # with exit code reboot.
> # Other values are 'always', and 'never'.
>
> #restart = 'onreboot'
>
> #============================================================================
>
>
> I'm stumped but it sure looks serious. Have I produced some dreadful
> misconfiguration? This host is being shipped to a remote data center on
> Monday and goes into production in a week. Any help would be greatly
> appreciated. Thanks - John
We are also using a very slightly customized network script since we
have three interfaces. Here is the network script:
# Exit if anything goes wrong.
set -e
# First arg is the operation.
OP=$1
shift
# Pull variables in args in to environment.
for arg ; do export "${arg}" ; done
bridge=${bridge:-xen-br0}
netdev=${netdev:-eth0}
antispoof=${antispoof:-yes}
SCRIPTDIR=/etc/xen/scripts
echo "network $OP bridge=$bridge netdev=$netdev antispoof=$antispoof"
# Usage: transfer_addrs src dst
# Copy all IP addresses (including aliases) from device $src to device
$dst.
transfer_addrs () {
local src=$1
local dst=$2
# Don't bother if $dst already has IP addresses.
if ip addr show dev ${dst} | egrep -q '^ *inet ' ; then
return
fi
# Address lines start with 'inet' and have the device in them.
# Replace 'inet' with 'ip addr add' and change the device name $src
# to 'dev $src'. Remove netmask as we'll add routes later.
ip addr show dev ${src} | egrep '^ *inet ' | sed -e "
s/inet/ip addr add/
s@\([0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\)/[0-9]\+@\1@
s/${src}/dev ${dst}/
" | sh -e
}
# Usage: del_addrs src
del_addrs () {
local src=$1
ip addr show dev ${src} | egrep '^ *inet ' | sed -e "
s/inet/ip addr del/
s@\([0-9]\+\.[0-9]\+\.[0-9]\+\.[0-9]\+\)/[0-9]\+@\1@
s/${src}/dev ${src}/
" | sh -e
}
# Usage: transfer_routes src dst
# Get all IP routes to device $src, delete them, and
# add the same routes to device $dst.
# The original routes have to be deleted, otherwise adding them
# for $dst fails (duplicate routes).
transfer_routes () {
local src=$1
local dst=$2
# List all routes and grep the ones with $src in.
# Stick 'ip route del' on the front to delete.
# Change $src to $dst and use 'ip route add' to add.
ip route list | grep ${src} | sed -e "
h
s/^/ip route del /
P
g
s/${src}/${dst}/
s/^/ip route add /
P
d
" | sh -e
}
# Usage: create_bridge bridge
create_bridge () {
local bridge=$1
# Don't create the bridge if it already exists.
if ! brctl show | grep -q ${bridge} ; then
brctl addbr ${bridge}
brctl stp ${bridge} off
brctl setfd ${bridge} 0
fi
ifconfig ${bridge} up
}
# Usage: add_to_bridge bridge dev
add_to_bridge () {
local bridge=$1
local dev=$2
# Don't add $dev to $bridge if it's already on a bridge.
if ! brctl show | grep -q ${dev} ; then
brctl addif ${bridge} ${dev}
fi
}
# Usage: antispoofing dev bridge
# Set the default forwarding policy for $dev to drop.
# Allow forwarding to the bridge.
antispoofing () {
local dev=$1
local bridge=$2
iptables -P FORWARD DROP
iptables -A FORWARD -m physdev --physdev-in ${dev} -j ACCEPT
}
# Usage: show_status dev bridge
# Print ifconfig and routes.
show_status () {
local dev=$1
local bridge=$2
echo '============================================================'
ifconfig ${dev}
ifconfig ${bridge}
echo ' '
ip route list
echo ' '
route -n
echo '============================================================'
}
op_start () {
if [ "${bridge}" == "null" ] ; then
return
fi
# Create the bridge and give it the interface IP addresses.
# Move the interface routes onto the bridge.
while read bridge netdev
do
create_bridge ${bridge}
if [ -n "$(ip add ls dev $netdev | grep 'inet ')" ]; then
transfer_addrs ${netdev} ${bridge}
transfer_routes ${netdev} ${bridge}
fi
# Don't add $dev to $bridge if it's already on a bridge.
if ! brctl show | grep -q ${netdev} ; then
brctl addif ${bridge} ${netdev}
fi
if [ ${antispoof} == 'yes' ] ; then
antispoofing ${netdev} ${bridge}
fi
done < ${SCRIPTDIR}/bridges.txt
}
op_stop () {
if [ "${bridge}" == "null" ] ; then
return
fi
# Remove the interface from the bridge.
# Move the routes back to the interface.
while read bridge netdev
do
brctl delif ${bridge} ${netdev}
if [ -n "$(ip add ls dev $netdev | grep 'inet ')" ]; then
transfer_routes ${bridge} ${netdev}
fi
done < ${SCRIPTDIR}/bridges.txt
# It's not our place to be enabling forwarding...
}
case ${OP} in
start)
op_start
;;
stop)
op_stop
;;
status)
show_status ${netdev} ${bridge}
;;
*)
echo 'Unknown command: ' ${OP}
echo 'Valid commands are: start, stop, status'
exit 1
esac
Here is the bridges.txt file:
xen-br0 eth0
xen-br1 eth1
xen-br2 eth2
--
John A. Sullivan III
Open Source Development Corporation
+1 207-985-7880
jsullivan@xxxxxxxxxxxxxxxxxxx
Financially sustainable open source development
http://www.opensourcedevel.com
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