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Since upgrading my (Gentoo) kernel from 2.6.38 to 3.3.8 (via oldconfig), I can't get the network on eth0 up anymore. It reports "SIOCSIFADDR: File exists" with a number of other SIOCSIF* errors that seem related. I have the CONFIG_BNX2=y configuration for the Broadcom NetXtreme II NIC that the machine has (which we have been using for years) enabled in the new kernel. Any hints?

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migrated from serverfault.com Jul 25 '12 at 13:47

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2 Answers 2

I just stumbled upon the same errors after migrating my system.

For me it was enough to stop the network device (eth0 in my case) in NetworkManager and to stop the init daemon as well:

/etc/init.d/net.eth0 stop

Restarting the daemon afterwards fixed the problem.

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up vote 0 down vote accepted

The solution for me was to install the linux-firmware package. Apparently, this got split out of the kernel at some point, and I've had to install it manually on boxes that were upgraded from old kernels.

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