[Xen-bugs] [Bug 1592] New: Unable to migrate Centos-5.4 32 bit from Centos-5.4 64-bit dom0 to Centos-5.4 32-bit dom0

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1592

           Summary: Unable to migrate Centos-5.4 32 bit from Centos-5.4 64-
                    bit dom0 to Centos-5.4 32-bit dom0
           Product: Xen
           Version: 3.0.0
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: 2.6.18 dom0
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: vikas.a.patil@xxxxxxxxx


Not able to move a Centos-5.4 32-bit guest vm from a centos-5.4 32 bit dom0.
Not able to attach a console after issuing the migrate command, though the vm
appears to be running in the source dom0 itself(xm list gives this). I then
have to do an xm destroy to get back.

The details of the xen version and the error logs are provided below.
################Partial output of xm info #####################
release                : 2.6.18-164.15.1.el5xen
version                : #1 SMP Wed Mar 17 12:04:23 EDT 2010
machine                : x86_64
xen_major              : 3
xen_minor              : 1
xen_extra              : .2-164.15.1.el5
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p 
xen_pagesize           : 4096

################xm migrate command execution output############
[root@steelbug ~]# xm migrate --live goodvm silverbug.cse.buffalo.edu
Error: /usr/lib64/xen/bin/xc_save 22 1 0 0 1 failed
Usage: xm migrate <Domain> <Host>

Migrate a domain to another machine.

Options:

-h, --help           Print this help.
-l, --live           Use live migration.
-p=portnum, --port=portnum
                     Use specified port for migration.
-r=MBIT, --resource=MBIT
                     Set level of resource usage for migration.

#####################################################LOGS#########################################################

xend-debug.log----------------------------------------------------------------------------

ERROR Internal error: Couldn't map p2m_frame_list_list

xend.log-------------------------------------------------------------------------------------

[2010-03-21 13:39:11 xend 2777] DEBUG (balloon:151) Balloon: 1120 KiB free; 0
to scrub; need 2048; retries: 20.
[2010-03-21 13:39:11 xend 2777] DEBUG (balloon:166) Balloon: setting dom0
target to 1735 MiB.
[2010-03-21 13:39:11 xend.XendDomainInfo 2777] DEBUG (XendDomainInfo:1339)
Setting memory target of domain Domain-0 (0) to 1735 MiB.
[2010-03-21 13:39:11 xend 2777] DEBUG (balloon:145) Balloon: 2144 KiB free;
need 2048; done.
[2010-03-21 13:39:11 xend 2777] DEBUG (XendCheckpoint:89) [xc_save]:
/usr/lib64/xen/bin/xc_save 22 1 0 0 1
[2010-03-21 13:39:11 xend 2777] INFO (XendCheckpoint:353) Had 0 unexplained
entries in p2m table
[2010-03-21 13:39:12 xend 2777] INFO (XendCheckpoint:353) Saving memory pages:
iter 1   0%ERROR Internal error: Error when writing to state file (5) (errno 0)
[2010-03-21 13:39:12 xend 2777] INFO (XendCheckpoint:353) Save exit rc=1
[2010-03-21 13:39:12 xend 2777] ERROR (XendCheckpoint:133) Save failed on
domain goodvm (1).
Traceback (most recent call last):
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line
110, in save
    forkHelper(cmd, fd, saveInputHandler, False)
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line
341, in forkHelper
    raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_save 22 1 0 0 1 failed
[2010-03-21 13:39:12 xend.XendDomainInfo 2777] DEBUG (XendDomainInfo:2165)
XendDomainInfo.resumeDomain(1)
[2010-03-21 13:39:12 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:12 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] INFO (XendDomainInfo:2291) Dev
51712 still active, looping...
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] DEBUG (XendDomainInfo:2178)
XendDomainInfo.resumeDomain: devices released
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] DEBUG (XendDomainInfo:1027)
Storing domain details: {'console/ring-ref': '62225', 'console/port': '2',
'name': 'migrating-goodvm', 'console/limit': '1048576', 'vm':
'/vm/07b549ca-c3d9-33bf-458c-42dae72ddb86', 'domid': '1', 'cpu/0/availability':
'online', 'memory/target': '262144', 'store/ring-ref': '62226', 'store/port':
'1'}
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] DEBUG (XendDomainInfo:633)
Checking for duplicate for uname: storage.lun1-lun-0-part1
[phy:/dev/disk/by-path/ip-128.205.43.147:3260-iscsi-iqn.2001-04.com.example:storage.lun1-lun-0-part1],
dev: xvda, mode: w
[2010-03-21 13:39:13 xend 2777] DEBUG (blkif:27) exception looking up device
number for xvda: [Errno 2] No such file or directory: '/dev/xvda'
[2010-03-21 13:39:13 xend 2777] DEBUG (blkif:27) exception looking up device
number for xvda: [Errno 2] No such file or directory: '/dev/xvda'
[2010-03-21 13:39:13 xend 2777] DEBUG (DevController:114) DevController:
writing {'virtual-device': '51712', 'device-type': 'disk', 'protocol':
'x86_32-abi', 'backend-id': '0', 'state': '1', 'backend':
'/local/domain/0/backend/vbd/1/51712'} to /local/domain/1/device/vbd/51712.
[2010-03-21 13:39:13 xend 2777] DEBUG (DevController:116) DevController:
writing {'domain': 'migrating-goodvm', 'frontend':
'/local/domain/1/device/vbd/51712', 'format': 'raw', 'dev': 'xvda', 'state':
'1', 'params':
'/dev/disk/by-path/ip-128.205.43.147:3260-iscsi-iqn.2001-04.com.example:storage.lun1-lun-0-part1',
'mode': 'w', 'online': '1', 'frontend-id': '1', 'type': 'phy'} to
/local/domain/0/backend/vbd/1/51712.
[2010-03-21 13:39:13 xend 2777] DEBUG (DevController:114) DevController:
writing {'mac': '00:16:3e:10:0a:32', 'handle': '0', 'protocol': 'x86_32-abi',
'backend-id': '0', 'state': '1', 'backend': '/local/domain/0/backend/vif/1/0'}
to /local/domain/1/device/vif/0.
[2010-03-21 13:39:13 xend 2777] DEBUG (DevController:116) DevController:
writing {'bridge': 'xenbr0', 'domain': 'migrating-goodvm', 'handle': '0',
'script': '/etc/xen/scripts/vif-nat', 'state': '1', 'frontend':
'/local/domain/1/device/vif/0', 'mac': '00:16:3e:10:0a:32', 'online': '1',
'frontend-id': '1'} to /local/domain/0/backend/vif/1/0.
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] DEBUG (XendDomainInfo:2190)
XendDomainInfo.resumeDomain: devices created
[2010-03-21 13:39:13 xend.XendDomainInfo 2777] ERROR (XendDomainInfo:2195)
XendDomainInfo.resume: xc.domain_resume failed on domain 1.
Traceback (most recent call last):
  File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py", line
2192, in resumeDomain
    xc.domain_resume(self.domid, fast)
Error: (1, 'Internal error', "Couldn't map p2m_frame_list_list")
2010-03-21 13:39:13 xend 2777] DEBUG (XendCheckpoint:136) XendCheckpoint.save:
resumeDomain


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