[Xen-bugs] [Bug 1622] New: CPU panic when destroying guest

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1622

           Summary: CPU panic when destroying guest
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32/ia32e
Guest Arch (ia32/ia32e/IA64): 
Guest OS Type (Linux/Windows):
Change Set: 21508
Hardware: Stoakley/Gulftown-HEDT
Other:
xen-changeset:   21508:5aabc6f94df5

pvops git:
commit e4612f9768065b6692dee07af26a7511e936e099
Merge: a3e7c7b... 7ec9d1e...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

ioemu git:
commit ffb0cf2ad55e952dae55e6166c4fcea79be6cd30
Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Date:   Thu Apr 15 17:01:15 2010 +0100

Bug detailed description:
--------------------------
When we try to destroy or poweroff a guest which has been created, xen hang.
And we found following information from UART.

....................................

(XEN)    [<ffff82c480192c1f>] acpi_processor_idle+0x169/0x6f6
(XEN)    [<ffff82c48014ec29>] idle_loop+0x4d/0x5b
(XEN)
(XEN) Pagetable walk from 0000000000100108:
(XEN)  L4[0x000] = 000000012fff0063 5555555555555555
(XEN)  L3[0x000] = 000000012ffef063 5555555555555555
(XEN)  L2[0x000] = 000000012ffee063 5555555555555555
(XEN)  L1[0x100] = 0000000000000000 ffffffffffffffff
(XEN)
(XEN) ****************************************
(XEN) Panic on CPU 4:
(XEN) FATAL PAGE FAULT
(XEN) [error_code=0000]
(XEN) Faulting linear address: 0000000000100108
(XEN) ****************************************
(XEN)
(XEN) Reboot in five seconds...


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