[Xen-bugs] [Bug 1639] New: Xen panic when create the guest with Intel 82575EB NIC and nomsi kernel option on Intel Xeon 5000 DP processor

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1639

           Summary: Xen panic when create the guest with Intel 82575EB NIC
                    and nomsi kernel option on Intel Xeon 5000 DP processor
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: yang.z.zhang@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32/ia32e
Guest Arch (ia32/ia32e/IA64): 
Guest OS Type (Linux/Windows):Linux
Change Set: 21811
Hardware: Intel Xeon 5000 DP processor 
Other:
xen-changeset:   21811:12f0618400de

pvops git:
commit b29254c40dac94960fd3887275c65c83b71086ea
Merge: cc867b2... 9d85e25...
Author: Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>

ioemu git:
commit 833e7e9a4c95739429dc0c803bbbf2346f9897fd
Author: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Date:   Thu Jul 8 17:33:29 2010 +0100

Bug detailed description:
--------------------------
When create the guest with Intel 82575EB NIC on Stoakley, and the guest's grub
does not have the parameter "pci=nomsi", Xen would panic. 

Following is host's grub
title pvops ia32e
        root (hd0,0)
        kernel /boot/xen.gz console=com1,vga console=com1 com1=115200,8n1
loglvl
=all guest_loglvl=all iommu=1 msi=1 iommu_inclusive_mapping=1 sync_console
dom0_
mem=1024M
        module /boot/vmlinuz-2.6-xen ro root=/dev/sda1  console=hvc0
earlyprintk
=xen ignore_loglevel
        module /boot/initrd-2.6-xen.img


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