[Xen-bugs] [Bug 1306] New: Dom0 hangs when destorying one guest with MSI NIC assigned.

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1306

           Summary: Dom0 hangs when destorying one guest with MSI NIC
                    assigned.
           Product: Xen
           Version: unstable
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: haicheng.li@xxxxxxxxx


Environment:
------------
Service OS (ia32/ia32e/IA64): ia32 ia32e
Guest OS (ia32/ia32e/IA64): ia32 ia32e
Change Set: 18132
Hardware: Stoakley



Bug detailed description:
--------------------------
On Xen 18132, we set msi=1 in host grub, and create one guest with one PCIe NIC
assigned, guest also enable MSI, when we poweroff this guest or using "xm
destory" to kill this guest domain, Domain0 will hang.


Reproduce steps:
----------------
1) prepare one linux image
2) create guest with one PCIe NIC assigned, guest enable MSI
3) poweroff this guest or using "xm des" when guest boot up
4) Dom0 hang

Current result:
----------------


Expected result:
----------------


Basic root-causing log:
----------------------

(XEN) common.c:3495:d0 stopping tracking VRAM f0000 - f0026                     
(XEN) HVM1: int13_harddisk: function 15, unmapped device for ELDL=81            
(XEN) HVM1: *** int 15h function AX=EC00, BX=0002 not yet supported!            
(XEN) HVM1: KBD: unsupported int 16h function 03                                
(XEN) HVM1: int13_harddisk: function 15, unmapped device for ELDL=81            
(XEN) HVM1: int13_harddisk: function 02, unmapped device for ELDL=81            
(XEN) HVM1: int13_harddisk: function 41, unmapped device for ELDL=81            
(XEN) irq.c:235: Dom1 PCI link 0 changed 5 -> 0                                 
(XEN) irq.c:235: Dom1 PCI link 1 changed 10 -> 0                                
(XEN) irq.c:235: Dom1 PCI link 2 changed 11 -> 0                                
(XEN) irq.c:235: Dom1 PCI link 3 changed 5 -> 0                                 
(XEN) io_apic.c:1574: startup msi vector 61                                     
(XEN) domctl.c:783:d0 memory_map:remove: gfn=f3000 mfn=d8420 nr_mfns=20         
(XEN) domctl.c:783:d0 memory_map:remove: gfn=f3020 mfn=d8400 nr_mfns=20         
(XEN) domctl.c:848:d0 ioport_map:remove f_gport=c100 f_mport=2000 np=20         
(XEN) domctl.c:783:d0 memory_map:remove: gfn=f3040 mfn=d8000 nr_mfns=20


-- 
Configure bugmail: 
http://bugzilla.xensource.com/bugzilla/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug, or are watching the assignee.

_______________________________________________
Xen-bugs mailing list
Xen-bugs@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-bugs