On Fri, Nov 11, 2011 at 4:08 PM, Alan McKinnon <alan.mckin...@gmail.com> wrote: > On Fri, 11 Nov 2011 15:28:26 -0500 > Allan Gottlieb <gottl...@nyu.edu> wrote: > >> My dell laptop E6510 had its motherboard replaced (as it turned out, >> for no good reason) and now the wired ethernet fails. >> >> ajglap gottlieb # /etc/init.d/net.eth0 restart >> * Bringing up interface eth0 >> * ERROR: interface eth0 does not exist >> * Ensure that you have loaded the correct kernel module for >> your hardware >> * ERROR: net.eth0 failed to start >> >> I am hoping it is some wrong setting in the bios, but the only one I >> see says the ethernet can be disabled enabled enabled (with pxe) >> >> I tried both of the enabled variants with the same outcome. >> >> I don't think I changed the kernel during that time, but I did try two >> older kernels; again with no change. I believe I have the correct >> driver built into the kernel >> >> ajglap gottlieb # lspci -v >> >> [snip] >> >> 00:19.0 Ethernet controller: Intel Corporation 82577LM Gigabit >> Network Connection (rev 05) Subsystem: Dell Device 040b >> Flags: bus master, fast devsel, latency 0, IRQ 42 >> Memory at e9600000 (32-bit, non-prefetchable) [size=128K] >> Memory at e9680000 (32-bit, non-prefetchable) [size=4K] >> I/O ports at 8040 [size=32] >> Capabilities: [c8] Power Management version 2 >> Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ >> Capabilities: [e0] PCI Advanced Features >> Kernel driver in use: e1000e > > Seeing as it's gentoo, my first guess is that the new motherboard > doesn't have the same hardware as the old one - Dell can easily fit any > wireless card with the same specs - and that you don't have the correct > module loaded. > > In the BIOS the option you want is plain "enabled", if you need pxe you > will certainly know all about that already. > > Any clues in dmesg about the hardware?
On that note, find the udev rule for persistent networking and wipe it. -- :wq