Robert Burch wrote:
> Hello, maybe a different issue, but...
>
> I have a DELL D630 with the ipw3945 for a week now.
> Wifi works fine with vista (have not used it much though.)
> Had issues with SL5. I found in my /var/log/messages:
>
>
> Oct  4 10:58:11 xxxx kernel: ipw3945: Microcode SW error detected. 
> Restarting.
> Oct  4 10:58:11 xxxx kernel: ipw3945: Error Reply type 0x000000FF cmd 
> TX (0x1C) seq 0x0000 ser 0x00030000
> Oct  4 10:58:12 xxxx kernel: ipw3945: Can't stop Rx DMA.
> Oct  4 10:58:12 xxxx NetworkManager: <WARNING> 
> nm_device_802_11_wireless_get_essid (): error getting ESSID for device 
> eth1: Resource temporarily unavailable
>
> After googleing I tried the firmware ipw3945-ucode-1.14.2 I pulled 
> from intel. (dropped the ipw3945.ucode in /lib/firmware where 
> /etc/firmware/ had a link to it.) No more Microcode SW error. My 
> connection seems stable. Working for a day now. I'm using WPA(PSK).
>
> Also I have:
>
> iwconfig eth1:
> eth1      IEEE 802.11g  ESSID:"Drift"
>           Mode:Managed  Frequency:2.412 GHz  Access Point: xxxxxx
>           Bit Rate:54 Mb/s   Tx-Power:15 dBm
>           Retry limit:15   RTS thr:off   Fragment thr:off
>           Power Management:off
>           Link Quality=90/100  Signal level=-44 dBm  Noise level=-45 dBm
>           Rx invalid nwid:0  Rx invalid crypt:1  Rx invalid frag:0
>           Tx excessive retries:0  Invalid misc:259   Missed beacon:0
>
> iwlist eth1 scan:
> eth1      Scan completed :
>           Cell 01 - Address: xxxxxxx
>                     ESSID:"2003"
>                     Protocol:IEEE 802.11b
>                     Mode:Ad-Hoc
>                     Channel:11
>                     Encryption key:off
>                     Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
>                     Quality=63/100  Signal level=-69 dBm  Noise 
> level=-69 dBm
>                     Extra: Last beacon: 198ms ago
>           Cell 02 - Address: xxxxxxx
>                     ESSID:"Drift"
>                     Protocol:IEEE 802.11bg
>                     Mode:Master
>                     Channel:1
>                     Encryption key:on
>                     Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 6 Mb/s; 9 Mb/s
>                               11 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s; 36 Mb/s
>                               48 Mb/s; 54 Mb/s
>                     Quality=88/100  Signal level=-45 dBm  Noise 
> level=-45 dBm
>                     IE: WPA Version 1
>                         Group Cipher : TKIP
>                         Pairwise Ciphers (1) : TKIP
>                         Authentication Suites (1) : PSK
>                     Extra: Last beacon: 261ms ago
>
>
> Hope this helps.
> Robert

Thanks a lot for the hint!
I will take a closer look and if possible prepare an update of the 
ipw3945 related rpms for SL5 - maybe for SL51.

Cheers,

    Urs