[Xen-bugs] [Bug 1366] New: Network Traffic crashes Dom0

[bugzilla-daemon@xxxxxxxxxxxxxxxxxxx]

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1366

           Summary: Network Traffic crashes Dom0
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: critical
          Priority: P1
         Component: Hypervisor
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: hans.lampl@xxxxxxxxxxx


We are running 12 guests (mixed x64 and x32 paravirtualized as well as one HVM)
on a Dell PowerEdge 2900 (2 quad-core kernels, 16 GB RAM) using the XEN 3.3.0
hypervisor. The entire system (dom0) is randomly crashing without being under
heavy CPU-workload. We can reproduce the kernel oops by generating network
traffic routed over the XEN network bridge interface. Unfortunately there are
no log message at all reporting what was going wrong. Using netconsole for
reporting did not lead to a single error message as well. There is a stack
trace and a kernel panic message displayed upon the screen of the dom0 machine.
Because it disappears after 1 second it is impossible to give more specific
information.

We also observed these kernel crashes running the 3.2.0 and 3.2.2 hypervisor
running on a Dell PowerEdge 1800.


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