On Wed, 2 Apr 2014, Paul Heinlein wrote:
The lovely Supermicro 82574L bug! There was a similar thread about a month ago:
http://lists.centos.org/pipermail/centos/2014-March/141348.html
The short answer that's worked for me: Add pcie_aspm=off to your boot-time kernel options. I've also started running the kmod-e1001e package from elrepo.org.
Er, kmod-e1000e.
Some background links, just in case this happens to others:
* All the issues I mentioned above, in longer form: http://www.doxer.org/learn-linux/resolved-intel-e1000e-driver-bug-on-82574l-...
* Long post about EEPROM issues on 82574L controllers: http://blog.krisk.org/2013/02/packets-of-death.html
* Red Hat bugzilla entry: https://bugzilla.redhat.com/show_bug.cgi?id=632650
* Basic Google search for starting point: http://lmgtfy.com/?q=e1000e+82574L+ASPM