[lwlan-devel] linux-wlan won't work on kernel 2.6.22 (John)

richard kennedy richard at rsk.demon.co.uk
Tue Sep 18 17:05:26 EDT 2007


Oh sorry about that! it must be the change in udevd version.
the rules file contains 2 versions of the rule :-

#ACTION=="add",BUS=="usb",DRIVER=="prism2_usb" ,RUN+="/etc/wlan/wlan-udev.sh %k"
KERNEL="wlan*",ACTION=="add",DRIVERS=="prism2_usb" ,RUN+="/etc/wlan/wlan-udev.sh %k"

You could try using the ACTION== one instead -- just uncomment it and
comment out the KERNEL== line. udevd should spot that the rules file has
changed and reload it immediately. 

Richard


On Tue, 2007-09-18 at 10:03 -0700, John wrote:
> Thanks for the help. I get an error with the udev
> rules on boot as it says.
> 
> add_rules invalid kernel operation.
> 
> 
> --- richard kennedy <richard at rsk.demon.co.uk> wrote:
> 
> > On Sat, 2007-09-15 at 11:04 -0700, John wrote:
> > > I narrowed down the issue to DHCP. In the
> > ifcfg-wlan0,
> > > I changed the bootproto to static and added the ip
> > > netmask, etc and the device at least connected to
> > the
> > > local area network but I couldn't get it to share
> > the
> > > internet. I figured the device couldn't see the
> > dhcp
> > > server so I did a dhcping when I connected the
> > device
> > > via the static IP and I got an answer. I do not
> > know
> > > if it's a linux-wlan driver issue or a kernel
> > issue.
> > > 
> > > > Date: Tue, 11 Sep 2007 09:44:28 -0700 (PDT)
> > > > From: John <jharitos at yahoo.com>
> > > > Subject: Re: [lwlan-devel] linux-wlan won't work
> > on
> > > > kernel 2.6.22
> > > > To: linux-wlan-devel at lists.linux-wlan.com
> > > > Message-ID:
> > > > <256272.41175.qm at web51007.mail.re2.yahoo.com>
> > > > Content-Type: text/plain; charset=iso-8859-1
> > > > 
> > > > Thanks for the help. I saw on the Gentoo Wiki
> > (I'm
> > > > using Fedora Core 6) that the hostapd won't work
> > so
> > > > I'll have to use linux-wlan in order for my
> > MA111
> > > > card
> > > > to work.
> > > > 
> > > > I looked at the ifup script and I noticed it has
> > a
> > > > call to ifup-pre-local with the statement.
> > > > 
> > > > if [-x /sbin/ifup-pre-local ]; then
> > > >    /sbin/ifup-pre-local ${CONFIG} $2
> > > > fi
> > > > 
> > > > I looked in my sbin and I didn't see a
> > > > ifup-pre-local
> > > > bin file.
> > > > 
> > > > I also noticed in my ifcfg-wlan0 file I have
> > type as
> > > > ethernet. I wonder if this should be wireless.
> > > > 
> > > > John
> > 
> > Hi John,
> > I never saw any lockups when running FC6, but is
> > udev seeing the card
> > insert? you can turn on more logging using
> > udevcontrol.
> > 
> > udev by default will run ifup on a network interface
> > if the right ifcfg
> > script exists.
> > (/etc/sysconfig/network-scripts/ifcfg-wlan0 ?)
> > I wonder if that is causing your problem ? it
> > shouldn't lock up but it 
> > may be calling dhcp before the card gets fully
> > enabled.
> > 
> > You should be able to use udev to get the card
> > configured -- I wrote a
> > udev script for this and it's in
> > <wlan_src>/etc/udev/rules.d. copy it
> > to /etc/usev/rules.d and it should call the standard
> > /etc/wlan config
> > scripts. I did test it when I wrote it so it should
> > still work, but now
> > I use NetworkManager to control the card. 
> > 
> > if you want to try NM
> > 
> > * remove (or rename) the ifcfg-wlan0 script.
> > 
> > * add "options p80211 wlan_wext_write=1" to
> > /etc/modprobe.conf
> > 
> > * copy the udev rules file from 
> > <src>/etc/udev/rules.d/40-prism2.rules
> > to /etc/udev/rules.d
> > 
> > * enable the NetworkManager & NetworkManagerDispatch
> > services
> > 
> > Then NetworkManger will be able to control and
> > configure your card.
> > 
> > NM will not automatically reconnect to a network
> > with a hidden ssid,
> > because the prism2 card doesn't report them in the
> > scan list. But you
> > can access them with the "connect to other wireless
> > network" you just
> > have to fill in the details every time. and WEP
> > works OK.
> > 
> > I'm currently running fedora 7 on 2.6.22.5 and it
> > all works, WEP, dhcp,
> > routing etc all setup correctly. 
> > My card is built into the laptop so I don't know how
> > NM handles card
> > insert & removal, I think it should be OK but it may
> > be interesting to
> > find out :)
> > HTH
> > cheers
> > Richard
> >    
> > 
> > 
> > 
> > 
> 
> 
> 
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