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[Xen-devel] Understanding error messages - bugs?

from [Michael Paesold] [Permanent Link][Original]
To: xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Understanding error messages - bugs?
From: Michael Paesold <mpaesold@xxxxxx>
Date: Thu, 20 Apr 2006 13:43:19 +0200
Delivery-date: Thu, 20 Apr 2006 04:43:42 -0700
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User-agent: Mozilla Thunderbird 1.0.7-1.4.1.centos4 (X11/20051007) 
I am currently testing live migration between two hosts. Everything works
as far as I can tell. I copied a large file over the network to the VM,
during copying I migrated the VM to the other host, and afterwards checked
the md5 sum of the file. No corruption so far.

This is Xen 3.0.2, exactly xen-3.0-testing cs 9602:09304a22b8d2,
linux 2.6.16.2 + patches.

Nevertheless I see some log messages, that I would like to understand.
Addtionally, after the 5th or 6th migration, I got some error messages
at the serial console (from the hypervisor) on the destination host:

(XEN) (file=memory.c, line=115) Could not allocate order=1 extent: id=0 flags=0 
(0 of 1)
... repeated 10 times
(XEN) DOM0: (file=mm.c, line=486) Non-privileged attempt to map I/O space 
00000000
(XEN) DOM0: (file=mm.c, line=486) Non-privileged attempt to map I/O space 
00000000
(XEN) (file=memory.c, line=115) Could not allocate order=1 extent: id=0 flags=0 
(0 of 1)
... repeated twice

The corresponding part of xend.log from the migration source and
destination hosts are attached.

Is this a bug, something to worry about?

Regarding these lines:
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
8acd. mfn ffffffff

I guess they are normal and don't represent a problem, do they? I just felt
uncomfortable because the log level is ERROR.

Here it's more obvious that these are really no errors:
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) All memory is saved
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Save exit rc=0

Best Regards,
Michael Paesold

[2006-04-20 13:08:07 xend] DEBUG (tcp:66) Match xen01i ^10.1.0.1$
[2006-04-20 13:08:07 xend.XendDomainInfo] DEBUG (XendDomainInfo:253) 
XendDomainInfo.restore(['domain', ['domid', '7'], ['uuid', 
'fc779db8-ba48-fb57-9385-8009959dab9f'], ['ssidref', '0'], ['vcpus', '1'], 
['vcpu_avail', '1'], ['cpu_weight', '1.0'], ['memory', '256'], ['maxmem', 
'256'], ['name', 'vmB1'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], 
['on_crash', 'restart'], ['image', ['linux', ['kernel', 
'/var/lib/xen/vmlinuz.QjzE7W'], ['ramdisk', '/var/lib/xen/initrd.DmpOrm'], 
['args', 'ro root=/dev/xvda3'], ['vcpus', '1']]], ['device', ['vif', 
['backend', '0'], ['script', 'vif-bridge'], ['mac', '00:16:3e:00:0b:01']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'xvda'], ['uname', 'phy:drbd1'], 
['mode', 'w']]], ['state', '------'], ['shutdown_reason', 'poweroff'], 
['cpu_time', '0.0'], ['online_vcpus', '1'], ['store_mfn', '975423'], 
['console_mfn', '975598']])
[2006-04-20 13:08:07 xend.XendDomainInfo] DEBUG (XendDomainInfo:284) 
parseConfig: config is ['domain', ['domid', '7'], ['uuid', 
'fc779db8-ba48-fb57-9385-8009959dab9f'], ['ssidref', '0'], ['vcpus', '1'], 
['vcpu_avail', '1'], ['cpu_weight', '1.0'], ['memory', '256'], ['maxmem', 
'256'], ['name', 'vmB1'], ['on_poweroff', 'destroy'], ['on_reboot', 'restart'], 
['on_crash', 'restart'], ['image', ['linux', ['kernel', 
'/var/lib/xen/vmlinuz.QjzE7W'], ['ramdisk', '/var/lib/xen/initrd.DmpOrm'], 
['args', 'ro root=/dev/xvda3'], ['vcpus', '1']]], ['device', ['vif', 
['backend', '0'], ['script', 'vif-bridge'], ['mac', '00:16:3e:00:0b:01']]], 
['device', ['vbd', ['backend', '0'], ['dev', 'xvda'], ['uname', 'phy:drbd1'], 
['mode', 'w']]], ['state', '------'], ['shutdown_reason', 'poweroff'], 
['cpu_time', '0.0'], ['online_vcpus', '1'], ['store_mfn', '975423'], 
['console_mfn', '975598']]
[2006-04-20 13:08:07 xend.XendDomainInfo] DEBUG (XendDomainInfo:380) 
parseConfig: result is {'ssidref': 0, 'uuid': 
'fc779db8-ba48-fb57-9385-8009959dab9f', 'on_crash': 'restart', 'on_reboot': 
'restart', 'image': ['linux', ['kernel', '/var/lib/xen/vmlinuz.QjzE7W'], 
['ramdisk', '/var/lib/xen/initrd.DmpOrm'], ['args', 'ro root=/dev/xvda3'], 
['vcpus', '1']], 'on_poweroff': 'destroy', 'cpus': None, 'name': 'vmB1', 
'backend': [], 'vcpus': 1, 'cpu_weight': 1.0, 'vcpu_avail': 1, 'memory': 256, 
'device': [('vif', ['vif', ['backend', '0'], ['script', 'vif-bridge'], ['mac', 
'00:16:3e:00:0b:01']]), ('vbd', ['vbd', ['backend', '0'], ['dev', 'xvda'], 
['uname', 'phy:drbd1'], ['mode', 'w']])], 'bootloader': None, 'cpu': None, 
'maxmem': 256}
[2006-04-20 13:08:07 xend.XendDomainInfo] DEBUG (XendDomainInfo:1164) 
XendDomainInfo.construct: None 0
[2006-04-20 13:08:07 xend.XendDomainInfo] DEBUG (XendDomainInfo:671) Storing VM 
details: {'ssidref': '0', 'uuid': 'fc779db8-ba48-fb57-9385-8009959dab9f', 
'on_reboot': 'restart', 'image': "(linux (kernel /var/lib/xen/vmlinuz.QjzE7W) 
(ramdisk /var/lib/xen/initrd.DmpOrm) (args 'ro root=/dev/xvda3') (vcpus 1))", 
'on_poweroff': 'destroy', 'name': 'vmB1', 'vcpus': '1', 'vcpu_avail': '1', 
'memory': '256', 'on_crash': 'restart', 'maxmem': '256'}
[2006-04-20 13:08:07 xend] DEBUG (DevController:103) DevController: writing 
{'backend-id': '0', 'mac': '00:16:3e:00:0b:01', 'handle': '0', 'state': '1', 
'backend': '/local/domain/0/backend/vif/3/0'} to /local/domain/3/device/vif/0.
[2006-04-20 13:08:07 xend] DEBUG (DevController:105) DevController: writing 
{'mac': '00:16:3e:00:0b:01', 'state': '1', 'handle': '0', 'script': 
'/etc/xen/scripts/vif-bridge', 'frontend-id': '3', 'domain': 'vmB1', 
'frontend': '/local/domain/3/device/vif/0'} to /local/domain/0/backend/vif/3/0.
[2006-04-20 13:08:07 xend] DEBUG (blkif:24) exception looking up device number 
for xvda: [Errno 2] No such file or directory: '/dev/xvda'
[2006-04-20 13:08:07 xend] DEBUG (DevController:103) DevController: writing 
{'virtual-device': '51712', 'backend-id': '0', 'state': '1', 'backend': 
'/local/domain/0/backend/vbd/3/51712'} to /local/domain/3/device/vbd/51712.
[2006-04-20 13:08:07 xend] DEBUG (DevController:105) DevController: writing 
{'domain': 'vmB1', 'frontend': '/local/domain/3/device/vbd/51712', 'dev': 
'xvda', 'state': '1', 'params': 'drbd1', 'mode': 'w', 'frontend-id': '3', 
'type': 'phy'} to /local/domain/0/backend/vbd/3/51712.
[2006-04-20 13:08:07 xend.XendDomainInfo] DEBUG (XendDomainInfo:696) Storing 
domain details: {'console/port': '2', 'name': 'vmB1', 'console/limit': 
'1048576', 'vm': '/vm/fc779db8-ba48-fb57-9385-8009959dab9f', 'domid': '3', 
'cpu/0/availability': 'online', 'memory/target': '262144', 'store/port': '1'}
[2006-04-20 13:08:07 xend] DEBUG (balloon:126) Balloon: free 265; need 265; 
done.
[2006-04-20 13:08:07 xend] DEBUG (XendCheckpoint:148) [xc_restore]: 
/usr/lib/xen/bin/xc_restore 10 4 3 67584 1 2
[2006-04-20 13:08:07 xend] ERROR (XendCheckpoint:227) xc_linux_restore start: 
max_pfn = 10800
[2006-04-20 13:08:07 xend] ERROR (XendCheckpoint:227) Increased domain 
reservation by 42000 KB
[2006-04-20 13:08:07 xend] ERROR (XendCheckpoint:227) Reloading memory pages:   
0%
[2006-04-20 13:08:11 xend] ERROR (XendCheckpoint:227) Received all pages (0 
races)
[2006-04-20 13:08:11 xend] ERROR (XendCheckpoint:227) 100%
[2006-04-20 13:08:11 xend] ERROR (XendCheckpoint:227) Memory reloaded.
[2006-04-20 13:08:11 xend] ERROR (XendCheckpoint:227) Decreased reservation by 
2112 pages
[2006-04-20 13:08:11 xend] DEBUG (XendCheckpoint:200) store-mfn 981432
[2006-04-20 13:08:11 xend] DEBUG (XendCheckpoint:200) console-mfn 983179
[2006-04-20 13:08:11 xend] ERROR (XendCheckpoint:227) Domain ready to be built.
[2006-04-20 13:08:11 xend] ERROR (XendCheckpoint:227) Restore exit with rc=0
[2006-04-20 13:08:11 xend.XendDomainInfo] DEBUG (XendDomainInfo:648) 
XendDomainInfo.completeRestore
[2006-04-20 13:08:11 xend.XendDomainInfo] DEBUG (XendDomainInfo:696) Storing 
domain details: {'console/ring-ref': '983179', 'console/port': '2', 'name': 
'vmB1', 'console/limit': '1048576', 'vm': 
'/vm/fc779db8-ba48-fb57-9385-8009959dab9f', 'domid': '3', 'cpu/0/availability': 
'online', 'memory/target': '262144', 'store/ring-ref': '981432', 'store/port': 
'1'}
[2006-04-20 13:08:11 xend.XendDomainInfo] DEBUG (XendDomainInfo:877) 
XendDomainInfo.handleShutdownWatch
[2006-04-20 13:08:11 xend.XendDomainInfo] DEBUG (XendDomainInfo:658) 
XendDomainInfo.completeRestore done

[2006-04-20 13:08:05 xend] DEBUG (XendCheckpoint:80) [xc_save]: 
/usr/lib/xen/bin/xc_save 10 17 7 0 0 1
[2006-04-20 13:08:05 xend] ERROR (XendCheckpoint:227) Had 0 unexplained entries 
in p2m table
[2006-04-20 13:08:05 xend] ERROR (XendCheckpoint:227) Saving memory pages: iter 
1   0%PT Race: [10000000,0] pte=be0063, mfn=00000be0
[2006-04-20 13:08:05 xend] ERROR (XendCheckpoint:227) PT Race: [10000000,1] 
pte=be1063, mfn=00000be1
[2006-04-20 13:08:05 xend] ERROR (XendCheckpoint:227) PT Race: [10000000,2] 
pte=be2063, mfn=00000be2
[2006-04-20 13:08:05 xend] ERROR (XendCheckpoint:227) PT Race: [10000000,3] 
pte=be3063, mfn=00000be3
[2006-04-20 13:08:05 xend] ERROR (XendCheckpoint:227)   6%PT Race: 
[10000000,92] pte=be6063, mfn=00000be6
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227)  12% 17% 
22% 27% 32% 37% 42% 47% 52% 57% 62% 67% 
73% 78% 83% 88% 93% 98%
 1: sent 62176, skipped 3360, delta 3219ms, dom0 61%, target 54%, sent 632Mb/s, 
dirtied 70Mb/s 6936 pages
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Saving memory pages: iter 
2   0%netbuf race: iter 2, pfn 3b8. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
fc02. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
b01a. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
b01c. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
e01e. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
7ef0. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
8ac8. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
9a10. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
a628. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
e2f0. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 2, pfn 
e44d. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) type fail: page 554 mfn 
f00dd7c2
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) type fail: page 622 mfn 
f00e2aa1
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227)  18% 34% 
53% 65% 80% 93%
 2: sent 6481, skipped 444, delta 424ms, dom0 70%, target 69%, sent 500Mb/s, 
dirtied 125Mb/s 1624 pages
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Saving memory pages: iter 
3   0%netbuf race: iter 3, pfn 3b8. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
b01b. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
e01e. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
7ef0. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
8ac0. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
9a18. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
b029. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
bbb8. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
ca70. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
e2f0. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
f7bc. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
c8a3. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
a629. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
ca71. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
f0bf. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
fec1. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
a62f. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
e7a6. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
7ef2. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
8aca. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
9a1a. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
a62a. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227)  58%netbuf race: iter 
3, pfn d22a. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
9a15. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
8ac4. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
8acc. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
8acf. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
eb77. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
fd88. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
c6f3. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
9a1d. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
bbb6. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 3, pfn 
f1e9. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) 3: sent 1511, skipped 80, 
delta 85ms, dom0 51%, target 9%, sent 582Mb/s, dirtied 98Mb/s 255 pages
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Saving memory pages: iter 
4   0%netbuf race: iter 4, pfn ca70. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
e334. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
c8a6. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
9a19. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
a62d. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
a62e. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
f112. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
8ac2. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
8acd. mfn ffffffff
[2006-04-20 13:08:08 xend] DEBUG (XendCheckpoint:200) suspend
[2006-04-20 13:08:08 xend] DEBUG (XendCheckpoint:83) In saveInputHandler suspend
[2006-04-20 13:08:08 xend] DEBUG (XendCheckpoint:85) Suspending 7 ...
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
bbed. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
9a1b. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 4, pfn 
9a1f. mfn ffffffff
[2006-04-20 13:08:08 xend.XendDomainInfo] DEBUG (XendDomainInfo:877) 
XendDomainInfo.handleShutdownWatch
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) 4: sent 243, skipped 0, 
delta 10ms, dom0 100%, target 0%, sent 796Mb/s, dirtied 0Mb/s 0 pages
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Saving memory pages: iter 
5   0%
 5: sent 0, skipped 0, Start last iteration
[2006-04-20 13:08:08 xend.XendDomainInfo] DEBUG (XendDomainInfo:877) 
XendDomainInfo.handleShutdownWatch
[2006-04-20 13:08:08 xend.XendDomainInfo] INFO (XendDomainInfo:836) Domain has 
shutdown: name=migrating-vmB1 id=7 reason=suspend.
[2006-04-20 13:08:08 xend] INFO (XendCheckpoint:88) Domain 7 suspended.
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) SUSPEND shinfo 00000be6 
eip c01013a7 edx 000ee24e
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) delta 16ms, dom0 62%, 
target 12%, sent 0Mb/s, dirtied 333Mb/s 163 pages
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Saving memory pages: iter 
6   0%netbuf race: iter 6, pfn 7ef0. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
b029. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
ca70. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
e334. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
c8a6. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
9a19. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
a621. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
a62d. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
a62e. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
a62f. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
f10a. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
f112. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
8ac2. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
d22a. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
9a14. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
8acc. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
8acd. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
8acf. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
bbed. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
eb77. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
c573. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
fd88. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
9a13. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
9a1b. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
a623. mfn ffffffff
[2006-04-20 13:08:08 xend] DEBUG (XendCheckpoint:91) Written done
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
bbb6. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) netbuf race: iter 6, pfn 
9a1f. mfn ffffffff
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) 6: sent 151, skipped 0, 
delta 9ms, dom0 88%, target 0%, sent 549Mb/s, dirtied 593Mb/s 163 pages
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Total pages sent= 70562 
(1.04x)
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) (of which 0 were fixups)
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) All memory is saved
[2006-04-20 13:08:08 xend] ERROR (XendCheckpoint:227) Save exit rc=0
[2006-04-20 13:08:08 xend.XendDomainInfo] DEBUG (XendDomainInfo:1341) 
XendDomainInfo.destroyDomain(7)

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