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RE: [F8] Seems I lost my network connection...



Ed Greshko wrote:
>Daniel B. Thurman wrote:
>>> On Tue, 2008-01-22 at 15:40 -0800, Daniel B. Thurman wrote:
>>>> I must have installed something that now prevented my
>>>> network connection to work.  I do not know where to begin
>>>> to resolve this issue.
>>>>
>>>> I had a hard time initially to compile/build the module for
>>>> my onboard network but I did have it running and it was
>>>> really great.
>>>>
>>>> But somehow, I have lost it.
>>>>
>>>> Can someone give me advice how to go about troubleshooting it?
>>>>
>>>> What I do know is that the network daemon is running, it correctly
>>>> loaded the nic module, ipconfig shows both eth0 and lo:
>>>>
>>>> ifconfig:
>>>> ==================================================================
>>>> eth0  Link encap: Thernet  Hwaddr: 00:1B:FC:EC:4B:27
>>>>         inet addr: 10.1.0.8 Bcast:10.1.0.255 Maask: 255.255.255.0
>>>>         UP BROADCAST MULTICAST  MTU: 1500 Metric: 1
>>>>         RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>>>         TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>>>         collisions:0 txqueuelen:1000
>>>>         RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
>>>>         Memory:dffc0000-e0000000
>>>>
>>>> lo      Link encap:local loopback
>>>>         inet addr:127.0.0.1 Mask:255.0.0.0
>>>>         inet6 addr: ::1/128 Scope:Host
>>>>         UP LOOPBACK RUNNING MTU:16436 Metric:1
>>>>         RX packets:11997 errors:0 dropped:0 overruns:0 frame:0
>>>>         TX packets:11997 errors:0 dropped:0 overruns:0 carrier:0
>>>>         collisions:0 txqueuelen:0
>>>>         RX bytes:4997217 (4.7 Mib) TX bytes:4997217 (4.7 Mib)
>>>> ==================================================================
>>>>
>>>> I checked /etc/resolve.conf, system-config-network and everything
>>>> is in order.
>>> What makes you think that you have lost your network? ifconfig shows
>>> that networking is running and has an IP address (10.1.0.8).
>>>
>>> We'll need some additional information:
>>>
>>> * How do you have your network configured? Are you using a static IP
>>> address or DHCP to assign and address?
>> 
>> I am using static IP address of 10.1.0.8
>> 
>>> * What gave you the impression the networking is not working?
>> 
>> + I see on my switch no "live" network connection - so it
>>   appears that the NIC is not active.
>
>Well, if the link light isn't lit that is the first problem that needs 
>solving.  Without it, nothing else will work.
>
>> + I cannot ping a local server
>> + I cannot access an Internet site like www.fedora.org
>> + gkrellm shows no activity
>> + nslookup finds no DNS server
>
>Expected.
>
>> I am able to ping localhost or the hostname (resovled via /etc/hosts)
>> itself.  Just cannot ping remote sites.
>
>Also expected.  Pinging the localhost or hostname doesn't involve any 
>hardware.  So, still need to resolve the link light not being on.
>
>> /sbin/route:
>> ================================================================
>> Kernel IP routing table
>> Destination  Gateway    Genmask       Flags Metric Ref Use Iface
>> 10.1.0.0     *          255.255.255.0 U     0      0   0   eth0
>> link-local   *          255.255.0.0   U     0      0   0   eth0
>> default      10.1.0.200 0.0.0.0       UG    0      0   0   eth0
>> ================================================================
>
>It doesn't make any difference, but it would be nice to see 
>the output of 
>"route -n".

/sbin/route -n:
================================================================
Kernel IP routing table
Destination  Gateway    Genmask       Flags Metric Ref Use Iface
10.1.0.0     0.0.0.0    255.255.255.0 U     0      0   0   eth0
169.254.0.0  0.0.0.0    255.255.0.0   U     0      0   0   eth0
0.0.0.0      10.1.0.200 0.0.0.0       UG    0      0   0   eth0
================================================================

>
>> Additionally, I checked:
>> + lsmod | grep atl2
>>   alt2   32024 0
>> + cat /etc/modprobe.conf
>>   alias eth0 atl2
>
>What kind of hardware is your NIC?

Attansic v2 - onboard NIC on P5GC-MC/1333 MB

>
>Have you tried the following?
>
>1.  Stop your network  (service network stop)
>2.  rmmod alt2

ERROR: alt2 does not exist in /proc/modules

ls /proc/modules
<empty>

>3.  modprobe atl2

FATAL: Module alt2 not found

>4.  Start your network
>5.  Check /var/log/messages for any errors


Wow.  /proc/modules are empty???  Is that significant?

I checked the /lib/modules/<kernel-version>/kernel/drivers/net
and in there are:

atl1/
 atl.ko
atl2/
 atl2.ko

So they are there as before.

Thanks-
Dan

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