[Xen-bugs] [Bug 1003] New: SATA emulation of HVM is not stable

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1003

           Summary: SATA emulation of HVM is not stable
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: yunfeng.zhao@xxxxxxxxx


Environment:
------------
Service OS (ia32/ia32e/IA64): ia32e
Guest OS (ia32/ia32e/IA64): ia32e
Change Set: 15372, 15378
Hardware: woodcrest



Bug detailed description:
--------------------------
After qemu is upgraded to 0.9, it could support SATA disk emulation. However,
the feature is not stable. I attach an image file or a partition and config it
as a sata disk, and I can see that it shows as /dev/sda1 in the guest. Then I
mount /dev/sda1, and copy some files to it. The guest will hang after a few
minutes, or the cp command will fail and never reture.



Reproduce steps:
----------------
1. attach an image file as the second disk in the config file, and set it as
sdb.
2. Create the guest

Current result:
----------------


Expected result:
----------------


Basic root-causing log:
----------------------


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