[Xen-bugs] [Bug 1275] New: vif-script offline not called on paravirtual guest shutdown

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1275

           Summary: vif-script offline not called on paravirtual guest
                    shutdown
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux
            Status: NEW
          Severity: major
          Priority: P2
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: cthunes@xxxxxxxxxxxxx


When xm shutdown is called for a guest a udev offline event is not triggered by
the kernel which in turn causes the vif network script to not be called to
remove iptables rules and decommision the interface. From
/etc/udev/xen-backend.rules 

SUBSYSTEM=="xen-backend", KERNEL=="vif*", ACTION=="offline", RUN+="$env{script}
offline"

The currect vif-script should be called in reponse to an 'offline' event which
is not being triggered. We have found this problem in 3.2.1 and -unstable with
kernel revision 9829b72f4a99. Host system is Debian 4.0 stable amd64. If a
guest is destroyed instead of shutdown we do not see this issues nor do we see
this issue with HVM guests. online events are triggered without issue.


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