Arch Linux

csergec

Member

Registered: 2009-09-29

Posts: 62

Lost network after kernel update

Hi

I have lost my network after kernel updating the kernel [2.6.35.7]
I downgraded to kernel 2.6.35.6

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karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: Lost network after kernel update

Was it any special network setup or are you saying that your good old wired network wouldn't start?
No errors, warning messages, nothing?

Edit: Do you mean https://bugs.archlinux.org/task/21009

Last edited by karol (2010-10-01 13:42:54)

csergec

Member

Registered: 2009-09-29

Posts: 62

Re: Lost network after kernel update

Hi

I am talking about "the good old wired one".
In the kernel logs I did not find anything.
I am using wicd.
When the problem started, I switched back to the "network" daemon but without success.
I even added a second network card thinking maybe it is a hardware failure.
I took my system rescue cd to see if network works. And it did.
So I downgrade the kernel version and everything is OK.
I use the r8169 realtek card.
I have also an onboard e1000 intel card [that I disabled: no matter if it is enabled or not,
the result was the same with the newer kernel].

The errors I got in wicd or by using dhcpcd in the console were that I had no network cards.
Actually sometime the network cards did appear but for a short time...

That what I can say ....

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karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: Lost network after kernel update

When you switched to 'network' instead of wicd, did you just add it to DAEMONS array or did you make the other necessary changes (remove the '!' from INTERFACES IIRC)?

Was the module for your Intel card loaded when the card stopped working? One other guy needed to explicitly put e1000e in the MODULES array.
https://bbs.archlinux.org/viewtopic.php … 01#p832501

csergec

Member

Registered: 2009-09-29

Posts: 62

Re: Lost network after kernel update

Hi Karol

I think I tried everything:
I restarted the wicd daemons without any success.
I stoped it. I started it.
I switched to the network deamon ans did all this stuff again.
I put the 2 modules in the mkinitcpio.conf and reinstalled the kernel.
Id did not work.
Actually i let them there after downgrading the kernel....[laziness]

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karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: Lost network after kernel update

Have you checked that the modules are loaded on boot? What did 'ifconfig -a' show?

csergec

Member

Registered: 2009-09-29

Posts: 62

Re: Lost network after kernel update

Hi Karol

I will reinstall the new kernel.
Give me the list of the points I need to look after.
I will check all of them and I will [probably] give you the answers from another pc....

ifconfig showed me eth0 [eth1 when I configured the onboard card in the bios] and lo
eth0 did not get any ip.

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karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: Lost network after kernel update

First, you need to find out, what module your card uses:

lspci -v | grep -i -A20 ethernet

On my computer this returns

$ lspci -v | grep -i -A20 ethernet
02:08.0 Ethernet controller: Intel Corporation 82801DB PRO/100 VE (LOM) Ethernet Controller (rev 81)
    Subsystem: IBM NetVista A30p
    Flags: bus master, medium devsel, latency 66, IRQ 20
    Memory at c0100000 (32-bit, non-prefetchable) [size=4K]
    I/O ports at 2000 [size=64]
    Capabilities: <access denied>
    Kernel driver in use: e100
    Kernel modules: e100

My card should be using a module named e100, so let's see if it's loaded:

lsmod | grep <modulename>

$ lsmod | grep e100
e100                   28517  0 
mii                     3190  1 e100

Yes, it is loaded, so if my network isn't running, the problem lies somewhere else (maybe dhcp settings etc.)
If 'lsmod | grep <modulename>' comes empty, it means the modules aren't loaded and you can try to load them by hand

sudo modprobe <modulename>

check if it got loaded for sure

lsmod | grep <modulename>

and check if you can get an IP and connect to the network.

csergec

Member

Registered: 2009-09-29

Posts: 62

Re: Lost network after kernel update

Hi Karol

I updated the kernel [2.6.35-7]
It works now...

It is really strange.
Lets wait a bit...

Thank you however

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krychle

Member

Registered: 2006-11-22

Posts: 7

Re: Lost network after kernel update

Hi,

I'm just reporting that I had this issue today too. I rebooted my computer from Win7 to Arch64 and I was left without network. Also it doesn't work in windows after rebooting back. I thought that It is something with connection so I tried to recoonect cable and also tryied to swap it in switch/adsl gateway. It started working after several switches (not on 1st!) It looks like interface is repeating on and off. So I rebooted to Arch and it stops working again...

I fixed it by reinstalling kernel26 package. But it is strange because it works yesterday, last thing what I did with kernel and modules was update of gc nvidia drivers... I don't know when I updated kernel last time

I'm using same network driver as Karol - r8169

karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: Lost network after kernel update

Hi,

I'm just reporting that I had this issue today too. I rebooted my computer from Win7 to Arch64 and I was left without network. Also it doesn't work in windows after rebooting back. I thought that It is something with connection so I tried to recoonect cable and also tryied to swap it in switch/adsl gateway. It started working after several switches (not on 1st!) It looks like interface is repeating on and off. So I rebooted to Arch and it stops working again...

I fixed it by reinstalling kernel26 package. But it is strange because it works yesterday, last thing what I did with kernel and modules was update of gc nvidia drivers... I don't know when I updated kernel last time

I'm using same network driver as Karol - r8169

But what the problem was exactly? The modules didn't load, you couldn't get an IP or ...?

Anonymo

Member

Registered: 2005-04-07

Posts: 427

Website

Re: Lost network after kernel update

Hi,

I'm just reporting that I had this issue today too. I rebooted my computer from Win7 to Arch64 and I was left without network. Also it doesn't work in windows after rebooting back. I thought that It is something with connection so I tried to recoonect cable and also tryied to swap it in switch/adsl gateway. It started working after several switches (not on 1st!) It looks like interface is repeating on and off. So I rebooted to Arch and it stops working again...

I fixed it by reinstalling kernel26 package. But it is strange because it works yesterday, last thing what I did with kernel and modules was update of gc nvidia drivers... I don't know when I updated kernel last time

I'm using same network driver as Karol - r8169

lsmod | less

mii                     3826  1 r8169

I'm using this card as well.  I upgraded yesterday and I can't get wireless with WICD.  Windows and normal network daemon work fine.  I use kernel26.  What other info can I provide?  If a bug report needs to be filed, would it be WICD, kernel26 or other?

Also, I forgot, but I'm not using normal Wicd, I'm using wicd-nogtk from AUR.  Krychle, are you using this also?

Edit:  I think this has to do with the python update.  I updated wicd-nogtk and its good now.  I am online.

Last edited by Anonymo (2010-10-19 18:10:23)