[Xen-devel] [TestDay] Xen-4.5.0 RC1 bug: with "xen_platform_pci=0" option, the guest with VT-d device fails to boot up

["Hu, Robert" <robert.hu@xxxxxxxxx>]

Best Regards,
Robert Ho

-----Original Message-----
From: bugzilla-daemon@xxxxxxxxxxxxxxxx 
[mailto:bugzilla-daemon@xxxxxxxxxxxxxxxx] 
Sent: Wednesday, November 12, 2014 9:24 AM
To: Hu, Robert
Subject: [ÃÂÃÂÃÂ 1893] ÃÂÃÂÃÂ: with "xen_platform_pci=0" option, the guest with 
VT-d device fails to boot up

/bugzilla/show_bug.cgi?id=1893

           Summary: with "xen_platform_pci=0" option, the guest with VT-d
                    device fails to boot up
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Hardware Support
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: songtaox.liu@xxxxxxxxx
                CC: Robert.Hu@xxxxxxxxx, longtaox.pang@xxxxxxxxx,
                    di.zheng@xxxxxxxxx
   Estimated Hours: 0.0


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Guest Arch (ia32/ia32e/IA64): ia32e
Guest OS Type (Linux/Windows):ia32e_rhel6u6
Change Set: xen-4.5-rc1
Hardware: HSW-EP


Bug detailed description:
--------------------------
With "xen_platform_pci=0" option, the guest with VT-d device fails to boot up.
Without "xen_platform_pci=0" option, the guest with VT-d device boots up well.
the console shows the "Bus doesn't have property 'acpi-pcihp-bsel' set".


Reproduce steps:
----------------
1. boot up an ia32e_rhel6u6 guest with "xen_platform_pci=0   pci=['85:00.1']"
2. the guest fails to boot up

Current result:
----------------
guest with VT-d fails to boot up with "xen_platform_pci=0"

Expected result:
----------------
guest with VT-d boot up well with "xen_platform_pci=0"

Basic root-causing log:
----------------------
[root@vt-hsw1 carl]# xl cr xlexample.hvm 
Parsing config from xlexample.hvm
libxl: error: libxl_qmp.c:287:qmp_handle_error_response: received an error
message from QMP server: Unsupported bus. Bus doesn't have property
'acpi-pcihp-bsel' set
libxl: error: libxl_create.c:1385:domcreate_attach_pci: libxl_device_pci_add
failed: -3

-- 
ÐÐÑÑÑÐÐÐÐÐÐ ÐÐ ÐÑÐÐÐÑÐ: /bugzilla/userprefs.cgi?tab=email
------- ÐÐÐÑÑÐÐÐÑÐ ÑÐÐÐ ÐÐÑÐÐ ÐÐÑÐÑÐ: -------
ÐÑÐ Ð ÑÐÐÑÑÐÐ ÐÐ ÐÐ ÐÑÐ.
_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel