Am 16.10.2011 12:18, schrieb Mick:
> On Sunday 16 Oct 2011 11:05:55 Florian Philipp wrote:
>> Am 16.10.2011 01:05, schrieb CJoeB:
>>> Hi everyone,
>>>
>>> Well, thanks to the help I got from the list, I finally have Gentoo
>>> installed on my new desktop and booting to a command prompt.
>>>
>>> However, now I have a networking issue.
>>>
>>> In past, when I booted to the install CD and my ethernet connection was
>>> not active, I typed net-setup eth0 and was able to set it up.  This
>>> time, when I booted to the install CD and typed net-setup eth0, the
>>> network card was not recognized.  I googled and found a post where
>>> someone said that they had to 'modprobe -r broadcom' and 'modprobe -r
>>> tg3' and then 'modprobe broadcom' and 'modprobe tg3' and then, run
>>> net-setup.  I did this and then ifconfig returned my eth0 connection.
>>>
>>> Of course, later you have to do the cp -L /etc/resolv.conf
>>> /mnt/gentoo/etc/ .... which I did and dhcpcd has been added to my
>>> default runlevel.
>>>
>>> However, when I boot, eth0 does not start.  I can start it manually by
>>> doing 'modprobe -r broadcom' and 'modprobe -r tg3' and then 'modprobe
>>> broadcom' and 'modprobe tg3'
>>>
>>> However, I would like to have my network started automatically.
>>>
>>> I do have config_eth0="dhcp" in my /etc/conf.d/net file
>>>
>>> Any suggestions?
>>>
>>> Colleen
>>
>> Hmm, a workaround would be a custom init script. Copy the following code
>> into a new file in /etc/init.d (let's say /etc/init.d/broadcom-fix):
>>
>> #!/sbin/runscript
>> description="Reload broadcom and tg3 modules to work around kernel bug"
>> depend() {
>>         before net
>>      after modules
>> }
>> start()
>> {
>>      ebegin "Reloading broadcom and tg3 modules"
>>      modprobe -r broadcom tg3 &&
>>      modprobe broadcom &&
>>      modprobe tg3
>>      eend $? "Failed to reload modules"
>> }
>>
>> Make it executable (chmod 755) and add it to the default run level
>> (rc-update add broadcom-fix default).
>>
>> Better try to start it manually before rebooting so you can be sure it
>> works as expected.
>>
>> Hope this helps,
>> Florian Philipp
> 
> This would be a workaround - the question is why does the module need to be 
> removed and reinstalled manually?  Why isn't the kernel loading it at boot 
> time?

I agree that the problem should be solved but just in case Colleen wants
to continue with his installation (I know, he is installing Gentoo for
the first time so I doubt he values his time very high ;-) ), I suggest
he either implements my proposal outlined above or adds similar code to
/etc/conf.d/net:

preup() {
    if [ "$IFACE" = eth0 ]; then
        ebegin "Reloading broadcom and tg3 modules"
        modprobe -r foo bar &&
        modprobe broadcom &&
        modprobe tg3
        ewend $? "Failed to reload modules"
    fi
    return 0
}

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