[Xen-bugs] [Bug 1477] New: If set sdl=1, it's failed to create guest with VT-d device assigned.

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1477

           Summary: If set sdl=1, it's failed to create guest with VT-d
                    device assigned.
           Product: Xen
           Version: unstable
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P1
         Component: HVM
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: haicheng.li@xxxxxxxxx


On RHEL5u3 or F10 host with xen c/s 19739, creating a guest with SDL mode and
with vt-d device assigned statically, there will be twice device insert
operation in xend, which causes guest creation failure. See following logs:

[root@vt-nhm7 var]# xm cr xmexample.hvm
Using config file "./xmexample.hvm".
Error: Cannot pass-through PCI function '0x0:0x01:0x00.0x1@0x20'. Device model
reported an error: no free hotplug slots

With VNC mode, there is no such issue. And with xen c/s 19626, there is also no
such issue with SDL.


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