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This bug has been copied from bug #630810 and has been proposed to be backported to 6.0 z-stream (EUS).
Verified on kernel kernel-2.6.32-71.24.1.el6 steps: referring to steps in https://bugzilla.redhat.com/show_bug.cgi?id=630810#c23 Actual Results: After migration ,host works well and no crash occurs Based on above ,this issue has been fixed already Change status to VERIFIED.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHSA-2011-0421.html
Technical note added. If any revisions are required, please edit the "Technical Notes" field accordingly. All revisions will be proofread by the Engineering Content Services team. New Contents: Prior to this update, starting multiple Red Hat Enterprise Linux 5.5 64-bit guests with network adapters based on the 8168c chipset or the 8111c chipset triggered an rtl8169_interrupt hang due to a RxFIFO overflow. With this update, infinite loops in the IRQ (Interrupt Request) handler caused by RxFIFO overflows are prevented and the aforementioned hang no longer occurs.