On Sun, 13 Jan 2008, John Summerfield wrote: > Robert P. J. Day wrote: > > let's see if i can make a long story short. for the sake of sheer > > experimentation, i wanted to see if i could *totally* remove all > > networking configuration from a gateway laptop running F8 x86_64, then > > use system-config-network (henceforth, s-c-n) to recreate it from > > scratch. > > > > the underlying hardware (from lspci): > > ... > > 02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8036 > > PCI-E Fast Ethernet Controller (rev 10) > > ... > > 08:07.0 Network controller: Broadcom Corporation BCM4318 [AirForce One > > 54g] 802.11g Wireless LAN Controller (rev 02) > > ... > > > > so i went into s-c-n, removed all traces of network configuration > > under both the Devices and Hardware tabs, saved that, removed the > > lines from /etc/modprobe.conf: > > > > alias eth0 sky2 (um ... i think that's what it was) > > alias wlan0 b43 (added previously by me for wireless) > > > > i then unloaded the above modules from the system, and verified that > > the directory /etc/sysconfig/networking/devices is utterly empty. so > > ... should i be able to put stuff back? > > > > if i invoke s-c-n again, i'm not surprised to see both the Devices > > and Hardware tabs totally empty. so how could i recreate the wired > > interface eth0? if i try to add a new device of type "Ethernet > > Connection", i'm given only a choice of "Other Ethernet Card", and i > > don't see a corresponding entry for that ethernet controller. should > > i? or am i going about this the wrong way? what would be the correct > > recipe to restore my eth0 interface? > > > > i have just as little success trying to restore the wlan0 wireless > > interface, *until* i add the line > > > > alias wlan0 b43 > > > > back to /etc/modprobe.conf, at which point restoring the wireless > > interface via s-c-n is a piece of cake (it even handles the access > > point's WEP). > > > > so wireless is back, but still no wired interface eth0, although i'm > > puzzled that the directory /etc/sysconfig/networking/devices now > > contains three files: > > > > ifcfg-eth0 > > ifcfg-wlan0 > > keys-wlan0 > > > > and ifcfg-eth0 contains: > > > > # Intel Corporation PRO/100 VE Network Connection > > DEVICE=eth0 > > BOOTPROTO=dhcp > > HWADDR=00:E0:B8:BF:7C:3F > > ONBOOT=yes > > TYPE=Ethernet > > > > so what have i messed up? is there, in fact, any way to restore > > eth0? thanks. > > I think you need to reboot. as a last test, i once again removed every trace of wireless from the system, then manually added back in the config file /etc/sysconfig/networking/devices/ifcfg-eth0: DEVICE=eth0 BOOTPROTO=dhcp HWADDR=<MAC address> ONBOOT=yes TYPE=Ethernet and added to /etc/modprobe.conf: alias eth0 sky2 then rebooted. upon reboot, i run s-c-n and, under Devices, i find: Inactive | eth0 | eth0 | Ethernet ok, that looks promising. but under the Hardware tab, i see: Broadcom BCM4318 ... | Ethernet | eth0 | ok Broadcom BCM4318 ... | Wireless | wlan0 | system Broadcom BCM4318 ... | Wireless | wlan0 | system argh! am i misunderstanding something fundamental here? why does wireless insist on getting in the way, even though i've tried to de-activate it every way i can think of? i'm pretty much out of ideas here. wireless is easy to restore, but for the life of me, i can't recreate eth0. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA Home page: http://crashcourse.ca Fedora Cookbook: http://crashcourse.ca/wiki/index.php/Fedora_Cookbook ========================================================================
