[Xen-bugs] [Bug 1494] New: Live migration clobbers VM filesystem

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1494

           Summary: Live migration clobbers VM filesystem
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): x86_64
Guest Arch (ia32/ia32e/IA64): x86_64
Guest OS Type (Linux/Windows): FC10
Change Set: Cset#19745
Hardware: Weybridge
Other:

Bug detailed description:
--------------------------
VM server doing "sum gigabyte_file" and compare results gets "sum:
/home/www/Videos/Monkey.avi: Input/output error"


Reproduce steps:
----------------
1. run VM server (x86_64 FC10 w/ 512MB) 1 vp with following shell program -
where Monkey.avi is a gigabite sized file
    while true
    do
       date > /tmp/1
       cat /tmp/1
       sum Videos/Monkey.avi > /tmp/a
       sum Videos/Monkey.avi > /tmp/b
       diff /tmp/a /tmp/b
       sleep 3
    done
2. VM runs fine without any issue until live migration
3.  do "xm migrate --live ExampleHVMDomain OtherHost" - VM gets Iput.Out error
from sum operation

VM only runs with VNIF


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