A Warning for those running Cent/RHEL 6.x and e1000 NICs

Steve Alligood steve at betterlinux.com
Thu Dec 5 15:22:46 MST 2013


I have also heard of some people having iscsi initiator issues on boot.


On Dec 5, 2013, at 3:08 PM, Ryan Simpkins wrote:

> Long story short:
> RHEL/CentOS 6.5 doesn't seem fully baked yet. Keep 'er in the oven a bit longer.
> 
> Short story long:
> If you upgrade to CentOS 6.5 and the 2.6.32-431 kernel, your e1000 based Intel
> NIC will stop working after a few moments upon reboot. You may see the
> following kernel message:
> 
> eth0: Timesync Tx Control register not set as expected
> 
> The work around is to set pcie_aspm=off. I have confirmed this works. May this
> save you a couple of hours of unplanned downtime. :)
> 
> Bug: http://bugs.centos.org/view.php?id=6810
> 
> -Ryan
> 
> /*
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