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Console is unavailable: msg#00116

Subject: Console is unavailable 
This is a multi-part message in MIME format.
Hi,

I hope you don't mind me contacting you like this, but I got your emails from an inconclusive  discussion about the following subject. I am experimenting with virtualization in RHEL 5 Beta 2, and everything appears to go well until I try to connect to the console of the new virtual machine. The error includes the message "connection refused".

There is no qemu-dm process running and /var/log/xen/qemu-dm.3598.log contains the following line:
xc_get_pfn_list returned error 22

I have attached xend.log for today in case it helps.

Incidentally, I seem to have found that there is no way to recover the new virtual machine after I have installed Fedora unless I save it just before the final reboot. I then do virsh restore xen-machine1.saved. I am hoping this is the right thing to do.

Many thanks,


Ciaran Byrne


[2007-02-21 10:07:45 xend 2758] INFO (SrvDaemon:283) Xend Daemon started
[2007-02-21 10:07:45 xend 2758] INFO (SrvDaemon:287) Xend changeset: 
unavailable .
[2007-02-21 10:07:45 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:212) 
XendDomainInfo.recreate({'paused': 0, 'cpu_time': 21785358755L, 'ssidref': 0, 
'handle': [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0], 'shutdown_reason': 
0, 'dying': 0, 'dom': 0, 'mem_kb': 1443380, 'maxmem_kb': -4, 'max_vcpu_id': 1, 
'crashed': 0, 'running': 1, 'shutdown': 0, 'online_vcpus': 2, 'blocked': 0})
[2007-02-21 10:07:45 xend.XendDomainInfo 2758] INFO (XendDomainInfo:224) 
Recreating domain 0, UUID 00000000-0000-0000-0000-000000000000.
[2007-02-21 10:07:45 xend.XendDomainInfo 2758] WARNING (XendDomainInfo:246) No 
vm path in store for existing domain 0
[2007-02-21 10:07:45 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:712) 
Storing VM details: {'shadow_memory': '0', 'uuid': 
'00000000-0000-0000-0000-000000000000', 'on_reboot': 'restart', 'on_poweroff': 
'destroy', 'name': 'Domain-0', 'xend/restart_count': '0', 'vcpus': '2', 
'vcpu_avail': '3', 'memory': '1410', 'on_crash': 'restart', 'maxmem': '1410'}
[2007-02-21 10:07:45 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:747) 
Storing domain details: {'cpu/0/availability': 'online', 'memory/target': 
'1443840', 'cpu/1/availability': 'online', 'name': 'Domain-0', 'console/limit': 
'1048576', 'vm': '/vm/00000000-0000-0000-0000-000000000000', 'domid': '0'}
[2007-02-21 10:07:45 xend 2758] DEBUG (XendDomain:153) number of vcpus to use 
is 0
[2007-02-21 10:07:45 xend 2758] INFO (SrvServer:116) unix 
path=/var/lib/xend/xend-socket
[2007-02-21 10:07:45 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:933) 
XendDomainInfo.handleShutdownWatch
[2007-02-21 10:23:10 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:265) 
XendDomainInfo.restore(['domain', ['domid', '1'], ['uuid', 
'f4842de3-c5c9-9d03-7d13-9d0b90fda55c'], ['vcpus', '1'], ['vcpu_avail', '1'], 
['cpu_weight', '1.0'], ['memory', '500'], ['shadow_memory', '0'], ['maxmem', 
'500'], ['features'], ['name', 'xen-machine1'], ['on_poweroff', 'destroy'], 
['on_reboot', 'destroy'], ['on_crash', 'destroy'], ['image', ['linux', 
['kernel', '/var/lib/xen/vmlinuz.17k0rg'], ['ramdisk', 
'/var/lib/xen/initrd.img.rF_ALq'], ['args', ' 
method=http://download.fedora.redhat.com/pub/fedora/linux/core/6/i386/os/  '], 
['vnc', '1'], ['vncunused', '1']]], ['device', ['vif', ['backend', '0'], 
['script', 'vif-bridge'], ['bridge', 'xenbr0'], ['mac', '00:16:3e:0c:7d:61']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'xvda:disk'], ['uname', 
'phy:/dev/sda4'], ['mode', 'w']]], ['state', '-b----'], ['shutdown_reason', 
'poweroff'], ['cpu_time', '727.940923805'], ['online_vcpus', '1'], ['up_time', 
'10187.961659'], ['start_time', '1171453340.59'], ['store_mfn', '280846'], 
['console_mfn', '280845']])
[2007-02-21 10:23:10 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:296) 
parseConfig: config is ['domain', ['domid', '1'], ['uuid', 
'f4842de3-c5c9-9d03-7d13-9d0b90fda55c'], ['vcpus', '1'], ['vcpu_avail', '1'], 
['cpu_weight', '1.0'], ['memory', '500'], ['shadow_memory', '0'], ['maxmem', 
'500'], ['features'], ['name', 'xen-machine1'], ['on_poweroff', 'destroy'], 
['on_reboot', 'destroy'], ['on_crash', 'destroy'], ['image', ['linux', 
['kernel', '/var/lib/xen/vmlinuz.17k0rg'], ['ramdisk', 
'/var/lib/xen/initrd.img.rF_ALq'], ['args', ' 
method=http://download.fedora.redhat.com/pub/fedora/linux/core/6/i386/os/  '], 
['vnc', '1'], ['vncunused', '1']]], ['device', ['vif', ['backend', '0'], 
['script', 'vif-bridge'], ['bridge', 'xenbr0'], ['mac', '00:16:3e:0c:7d:61']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'xvda:disk'], ['uname', 
'phy:/dev/sda4'], ['mode', 'w']]], ['state', '-b----'], ['shutdown_reason', 
'poweroff'], ['cpu_time', '727.940923805'], ['online_vcpus', '1'], ['up_time', 
'10187.961659'], ['start_time', '1171453340.59'], ['store_mfn', '280846'], 
['console_mfn', '280845']]
[2007-02-21 10:23:10 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:395) 
parseConfig: result is {'shadow_memory': 0, 'uuid': 
'f4842de3-c5c9-9d03-7d13-9d0b90fda55c', 'on_crash': 'destroy', 'on_reboot': 
'destroy', 'localtime': None, 'image': ['linux', ['kernel', 
'/var/lib/xen/vmlinuz.17k0rg'], ['ramdisk', '/var/lib/xen/initrd.img.rF_ALq'], 
['args', ' 
method=http://download.fedora.redhat.com/pub/fedora/linux/core/6/i386/os/  '], 
['vnc', '1'], ['vncunused', '1']], 'on_poweroff': 'destroy', 'bootloader_args': 
None, 'cpus': None, 'name': 'xen-machine1', 'backend': [], 'vcpus': 1, 
'cpu_weight': 1.0, 'features': None, 'vcpu_avail': 1, 'memory': 500, 'device': 
[('vif', ['vif', ['backend', '0'], ['script', 'vif-bridge'], ['bridge', 
'xenbr0'], ['mac', '00:16:3e:0c:7d:61']]), ('vbd', ['vbd', ['backend', '0'], 
['dev', 'xvda:disk'], ['uname', 'phy:/dev/sda4'], ['mode', 'w']])], 
'bootloader': None, 'cpu': None, 'maxmem': 500}
[2007-02-21 10:23:10 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:1253) 
XendDomainInfo.construct: None
[2007-02-21 10:23:10 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:712) 
Storing VM details: {'shadow_memory': '0', 'uuid': 
'f4842de3-c5c9-9d03-7d13-9d0b90fda55c', 'on_reboot': 'destroy', 'image': 
"(linux (kernel /var/lib/xen/vmlinuz.17k0rg) (ramdisk 
/var/lib/xen/initrd.img.rF_ALq) (args ' 
method=http://download.fedora.redhat.com/pub/fedora/linux/core/6/i386/os/  ') 
(vnc 1) (vncunused 1))", 'on_poweroff': 'destroy', 'name': 'xen-machine1', 
'xend/restart_count': '0', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '500', 
'on_crash': 'destroy', 'maxmem': '500'}
[2007-02-21 10:23:10 xend 2758] DEBUG (DevController:110) DevController: 
writing {'backend-id': '0', 'mac': '00:16:3e:0c:7d:61', 'handle': '0', 'state': 
'1', 'backend': '/local/domain/0/backend/vif/1/0'} to 
/local/domain/1/device/vif/0.
[2007-02-21 10:23:10 xend 2758] DEBUG (DevController:112) DevController: 
writing {'bridge': 'xenbr0', 'domain': 'xen-machine1', 'handle': '0', 'script': 
'/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': 
'/local/domain/1/device/vif/0', 'mac': '00:16:3e:0c:7d:61', 'online': '1', 
'frontend-id': '1'} to /local/domain/0/backend/vif/1/0.
[2007-02-21 10:23:11 xend 2758] DEBUG (blkif:24) exception looking up device 
number for xvda: [Errno 2] No such file or directory: '/dev/xvda'
[2007-02-21 10:23:11 xend 2758] DEBUG (DevController:110) DevController: 
writing {'backend-id': '0', 'virtual-device': '51712', 'device-type': 'disk', 
'state': '1', 'backend': '/local/domain/0/backend/vbd/1/51712'} to 
/local/domain/1/device/vbd/51712.
[2007-02-21 10:23:11 xend 2758] DEBUG (DevController:112) DevController: 
writing {'domain': 'xen-machine1', 'frontend': 
'/local/domain/1/device/vbd/51712', 'dev': 'xvda', 'state': '1', 'params': 
'/dev/sda4', 'mode': 'w', 'online': '1', 'frontend-id': '1', 'type': 'phy'} to 
/local/domain/0/backend/vbd/1/51712.
[2007-02-21 10:23:11 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:747) 
Storing domain details: {'console/port': '2', 'name': 'xen-machine1', 
'console/limit': '1048576', 'vm': '/vm/f4842de3-c5c9-9d03-7d13-9d0b90fda55c', 
'domid': '1', 'cpu/0/availability': 'online', 'memory/target': '512000', 
'store/port': '1'}
[2007-02-21 10:23:11 xend 2758] DEBUG (balloon:133) Balloon: 97588 KiB free; 0 
to scrub; need 520192; retries: 20.
[2007-02-21 10:23:11 xend 2758] DEBUG (balloon:148) Balloon: setting dom0 
target to 996 MiB.
[2007-02-21 10:23:11 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:1014) 
Setting memory target of domain Domain-0 (0) to 996 MiB.
[2007-02-21 10:23:12 xend 2758] DEBUG (balloon:127) Balloon: 521064 KiB free; 
need 520192; done.
[2007-02-21 10:23:12 xend 2758] DEBUG (XendCheckpoint:155) [xc_restore]: 
/usr/lib/xen/bin/xc_restore 21 1 130048 1 2
[2007-02-21 10:23:12 xend 2758] ERROR (XendCheckpoint:236) xc_linux_restore 
start: max_pfn = 1fc00
[2007-02-21 10:23:12 xend 2758] ERROR (XendCheckpoint:236) Increased domain 
reservation by 7f000 KB
[2007-02-21 10:23:12 xend 2758] ERROR (XendCheckpoint:236) Reloading memory 
pages:   0%
[2007-02-21 10:23:28 xend 2758] ERROR (XendCheckpoint:236) Received all pages 
(0 races)
[2007-02-21 10:23:28 xend 2758] ERROR (XendCheckpoint:236) 100%
[2007-02-21 10:23:28 xend 2758] ERROR (XendCheckpoint:236) Memory reloaded.
[2007-02-21 10:23:28 xend 2758] ERROR (XendCheckpoint:236) Decreased 
reservation by 2082 pages
[2007-02-21 10:23:28 xend 2758] ERROR (XendCheckpoint:236) Domain ready to be 
built.
[2007-02-21 10:23:28 xend 2758] ERROR (XendCheckpoint:236) Restore exit with 
rc=0
[2007-02-21 10:23:28 xend 2758] DEBUG (XendCheckpoint:209) store-mfn 65550
[2007-02-21 10:23:28 xend 2758] DEBUG (XendCheckpoint:209) console-mfn 65549
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
vif.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:149) Waiting for 0.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:464) hotplugStatusCallback 
/local/domain/0/backend/vif/1/0/hotplug-status.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:478) hotplugStatusCallback 
1.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
usb.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
vbd.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:149) Waiting for 51712.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:464) hotplugStatusCallback 
/local/domain/0/backend/vbd/1/51712/hotplug-status.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:478) hotplugStatusCallback 
1.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
irq.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
pci.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
ioports.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
tap.
[2007-02-21 10:23:28 xend 2758] DEBUG (DevController:143) Waiting for devices 
vtpm.
[2007-02-21 10:23:28 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:672) 
XendDomainInfo.completeRestore
[2007-02-21 10:23:28 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:747) 
Storing domain details: {'console/ring-ref': '65549', 'console/port': '2', 
'name': 'xen-machine1', 'console/limit': '1048576', 'vm': 
'/vm/f4842de3-c5c9-9d03-7d13-9d0b90fda55c', 'domid': '1', 'cpu/0/availability': 
'online', 'memory/target': '512000', 'store/ring-ref': '65550', 'store/port': 
'1'}
[2007-02-21 10:23:28 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:682) 
XendDomainInfo.completeRestore done
[2007-02-21 10:23:28 xend.XendDomainInfo 2758] DEBUG (XendDomainInfo:933) 
XendDomainInfo.handleShutdownWatch
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