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Re: iwl3945 doesn't work

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On Wed, 2007-10-17 at 16:22 +0200, Jens Axboe wrote:
> On Wed, Oct 17 2007, Dan Williams wrote:
> > On Wed, 2007-10-17 at 16:11 +0200, Jens Axboe wrote:
> > > On Wed, Oct 17 2007, Ismail Dönmez wrote:
> > > > Wednesday 17 October 2007 Tarihinde 16:54:53 yazm????t??:
> > > > > Hi,
> > > > >
> > > > > Seeing that iwl3945 is now merged, I decided to switch my x60 to use
> > > > > that instead of ipw3945. That would leave me with zero kernel
> > > > > dependencies.
> > > > >
> > > > > Unfortunately it doesn't work. Loading the module reveals the device:
> > > > >
> > > > > iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for
> > > > > Linux, 1.1.17ks
> > > > > iwl3945: Copyright(c) 2003-2007 Intel Corporation
> > > > > ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 17 (level, low) -> IRQ 21
> > > > > PCI: Setting latency timer of device 0000:03:00.0 to 64
> > > > > iwl3945: Detected Intel PRO/Wireless 3945ABG Network Connection
> > > > > iwl3945: Tunable channels: 13 802.11bg, 23 802.11a channels
> > > > > phy0: Selected rate control algorithm 'iwl-3945-rs'
> > > > >
> > > > > # iwconfig wlan0
> > > > > wlan0     IEEE 802.11g  ESSID:"xxxxxxxxxxxxxx"
> > > > >           Mode:Managed  Channel:0  Access Point: Not-Associated
> > > > >           Tx-Power=0 dBm
> > > > >           Retry min limit:7   RTS thr:off   Fragment thr=2346 B
> > > > >           Encryption key:XXXX-XXXX-XX
> > > > >           Link Quality:0  Signal level:0  Noise level:0
> > > > >           Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
> > > > >           Tx excessive retries:0  Invalid misc:0   Missed beacon:0
> > > > >
> > > > > and iwconfig sees it, essid/enc settings are fine, but I don't get a
> > > > > link.
> > > > 
> > > > Same issue here, try iwlist wlan0 scan first and then it should work.
> > > 
> > > Huh indeed, now it links fine! Thanks for the hint. Would be nice to
> > > have fixed, though :-)
> > 
> > Odd, doesn't the driver need to do a scan _anyway_ to find the right
> > BSSID to associate with if the cached scan results are more than a few
> > seconds old?  Can you run '/sbin/iwevent' before trying a fresh
> > association, try to associate, ensure that it has failed, and report the
> > output?
> > 
> > If you don't get something like:
> > 
> > 10:17:05.117937   eth1     Scan request completed
> > 
> > shown there, then there's likely a bug in the driver because it's either
> > (a) not scanning before trying to associate, or (b) not sending out scan
> > completion events after it's done a scan.
> 
> Indeed, there is now Scan request completed before I run the iwlist
> scan. iwevent output:

Hmm, the output below doesn't show the scan request completed, right?

> Waiting for Wireless Events from interfaces...
> 16:20:27.453588   wlan0    Set Mode:Managed
> 16:20:27.462104   wlan0    Set Encryption key:off
> 16:20:27.463940   wlan0    Set Encryption key:****-****-**   Security mode:open
> 16:20:27.466535   wlan0    Set ESSID:"kjellbergaxboe"
> 
> waiting, nothing else happens. Then run iwlist scan from another
> terminal.
> 
> 16:20:53.892549   wlan0    Scan request completed

So you only get this when you manually scan right after setting the ssid
and key?

Dan

> 16:20:54.025085   wlan0    Custom driver
> event:ASSOCINFO(ReqIEs=000e6b6a656c6c626572676178626f65010402040b16
> RespIEs=010482848b96dd0c00037f0201015b0002a44000)
> 16:20:54.025123   wlan0    New Access Point/Cell address:00:13:46:97:33:E2
> 
> bingo, it associates and it now works.
> 

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