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From: seanwinship on 7 Feb 2006 11:42
(Also posted on comp.os.linux.setup, apologies for the duplication.)

I just ran "yum update" and the kernel changed to 2.6.15-1.1830_FC4.
Prior to this update I would connect to my home wireless network by
running "ifconfig eth0 down", inserting my wireless card (Wavelan
Silver), and running:

/sbin/iwconfig eth1 essid "My ESSID" enc aabbccddee

(I freely admit that my knowledge of Linux wireless networking is
limited and that the above may be non-optimal.)

After the update, when I insert my wireless card I see wifi0 and wlan0
instead of eth1 and running:

/sbin/iwconfig wlan0 essid "My ESSID" enc aabbccddee

gives me an error indicating that the encryption key can't be set on my
card.

Reverting to a previous kernel on boot allows me to use eth1, so
something evidently changed with the built-in drivers. Does anyone
have any ideas on how to either get the previous behavior from the
latest kernel or configure wlan0 properly?

Thanks,

Sean

From: Vaxius on 8 Feb 2006 15:11

seanwinship(a)yahoo.com wrote:
> (Also posted on comp.os.linux.setup, apologies for the duplication.)
>
> I just ran "yum update" and the kernel changed to 2.6.15-1.1830_FC4.
> Prior to this update I would connect to my home wireless network by
> running "ifconfig eth0 down", inserting my wireless card (Wavelan
> Silver), and running:
>
> /sbin/iwconfig eth1 essid "My ESSID" enc aabbccddee
>
> (I freely admit that my knowledge of Linux wireless networking is
> limited and that the above may be non-optimal.)
>
> After the update, when I insert my wireless card I see wifi0 and wlan0
> instead of eth1 and running:
>
> /sbin/iwconfig wlan0 essid "My ESSID" enc aabbccddee
>
> gives me an error indicating that the encryption key can't be set on my
> card.
>
> Reverting to a previous kernel on boot allows me to use eth1, so
> something evidently changed with the built-in drivers. Does anyone
> have any ideas on how to either get the previous behavior from the
> latest kernel or configure wlan0 properly?
>
> Thanks,
>
> Sean

This could also happen if the wireless driver is contained in an
external module which might have been built using the older kernel.
When you upgrade the kernel, you may have compatibility problems.

Also Sean.

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