[Xen-bugs] [Bug 1502] New: [vt-d]Guest print repeated characters using assigned USB keyboard

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1502

           Summary: [vt-d]Guest print repeated characters using assigned USB
                    keyboard
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Guest-OS
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: jiajun.xu@xxxxxxxxx


Environment:
------------
Service Arch (ia32/ia32e/IA64): ia32e
Guest OS Type (Linux/Windows): Linux
Change Set: 20033 (pvops dom0)
Hardware: NHM-HEDT
Other: 


Bug detailed description:
--------------------------
On Nehalem-HEDT platform, we assign 00:1a.0 or 00:1a.2 USB keyboard device to
guest, then press key, guest will print repeated characters.
00:1a.1 and 00:1d.2 has no this issue.

paste the USB info here:

[root@vt-nhm1 ~]# lspci | grep USB
00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #4
00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #5
00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #6
00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI
Controller #2
00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #1
00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #2
00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI
Controller #3
00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI
Controller #1


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