Re: Wireless problem - ReadList.com

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Wireless problem
\ Colleen Beamer (22 Aug 2007)
. \ Allan Gottlieb (22 Aug 2007)
. . \ Christian (22 Aug 2007)
. . . \ Allan Gottlieb (22 Aug 2007)
. . \ Michael Gisbers (22 Aug 2007)
. . . \ Allan Gottlieb (22 Aug 2007)
. . . . \ Jan Seeger (22 Aug 2007)
. . . . \ Daniel Barkalow (22 Aug 2007)

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Subject:	Re: Wireless problem
Group:	Gentoo-user
From:	Daniel Barkalow
Date:	22 Aug 2007

On Wed, 22 Aug 2007, Allan Gottlieb wrote:

> At Wed, 22 Aug 2007 16:26:36 +0200 Michael Gisbers <Michael> wrote:
>
> > Am Wednesday 22 August 2007 schrieb Allan Gottlieb:
> >>
> >> I have the same hardware and had the same problem. I have used the
> >> following kludge to "fix" it.
> >>
> >> Add ipw3945 to /etc/modules.autoload/kernel-2.6
> >> and add ipw3945d to the boot runlevel
> >>
> >> The first attempt autoload ipd3945 (from modules.autoload) will cause
> >> an error, but the second load (from the deamon in the boot runlevel)
> >> succeeds. When I pull the "erroneous" line from modules.autoload, the
> >> load from the boot runlevel fails. (It seems to need two tries :-) ).
> >>
> >> I have been told that the new (unstable) baselayout fixes this but I
> >> can't confirm since I run stable.
> >
> > I can confirm that problem on my FSC Lifebook E8210. A friend used ipw3945 on
> > his Samsung laptop without any probs.
> >
> > By now I changed from ipw3945 to iwl3945 driver and have no initialisation
> > errors anymore.
>
> Interesting. Thanks for the information.

(It's actually "iwlwifi +ipw3945")

I've had good luck with it with kernel 2.6.22 (so you don't need a chain
of two external modules). It doesn't use a userspace daemon, so there's no
problem with starting it up with a read-only root filesystem and there
isn't the back-and-forth dependancy problem (ipw3945d requires the kernel
driver to be loaded, and the kernel driver doesn't create any network
interfaces until ipw3945d is running).

The only tricky thing I've found about iwlwifi is that you get a
"configuration" interface, which the persistant net rule for eth1 (or
whatever) picks up and confuses everything. There's a "type" attribute you
need to add to the udev rule to pick up the actual network interface.

Somewhat unimportant: I think I need a kernel config option I haven't
enabled to get the wifi led on my laptop to work with it, so I keep
thinking my wifi is off when it's working.

-Daniel
*This .sig left intentionally blank*
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