Release Found: Red Hat Enterprise Linux 4.7
ixgbe driver in Red Hat Enterprise Linux 4.7 has a recursive stack corruption problem that can cause the system to hang or kernel panic when it is loaded. Therefore, the Intel 82598AT 10GBase-T network card will not work on this system.
The fix for this issue requires an updated driver, which is now available with Red Hat Enterprise Linux 4.8. For details on this issue, please contact Red Hat Support.