In recent CentOS version 6.3 is an unresolved bug, which causes the network card to freeze the server. Following message appears in /var/log/messages kernel To work around the problem you will need to turn off Active-State Power Management (ASPM) (Feature that saves power in the Peripheral Component Interconnect Express (PCI Express or PCIe) subsystem by…
Kernel: e1000e 0000:02:00.0: eth0: Error reading PHY register
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