Reg: Access point association gets down with in 5min for MARVELL_SDIO_8688_WLAN_CARD
praveen
praveen at e-consystems.com
Mon Jul 27 00:56:18 EDT 2009
On Friday 24 July 2009 05:06:33 pm praveen wrote:
> Hi All,
>
> I am using MARVELL_SDIO_8688_WLAN_CARD with PXA270 based reference board. I
> used the patch available with this list for 8688 card.
>
> After inserting the modules I get the following debug messages
>
> [root at REGULUS /tmp]#insmod libertas.ko
> [root at REGULUS /tmp]#
> [root at REGULUS /tmp]#insmod libertas_sdio.ko
> libertas_sdio: Libertas SDIO driver
> libertas_sdio: Copyright Pierre Ossman
> libertas: 00:1a:6b:9f:37:36, fw 10.38.1p25, cap 0x00000303
> libertas: PREP_CMD: command 0x0022 failed: 2
> libertas: eth1: Marvell WLAN 802.11 adapter
> [root at REGULUS /tmp]#
> [root at REGULUS /tmp]#
> [root at REGULUS /tmp]#
>
> Scanning the access point using iwlist gives following prints. In this all
> the channel and bit rates are wrong. I don't know why?
>
> [root at REGULUS /tmp]#./iwlist eth1 scan
> Warning: Driver for device eth1 has been compiled with version 22
> of Wireless Extension, while this program supports up to version 17.
> Some things may be broken...
>
> eth1 Scan completed :
> Cell 01 - Address: 00:1B:2F:4B:42:16
> ESSID:"econAP2"
> Mode:Managed
> Channel:-2.82593e-07
> Quality=70/100 Signal level=-75 dBm Noise level=-92
> dBm Encryption key:on
> Bit Rate:5.29981e-315 Mb/s
> Bit Rate:5.30499e-315 Mb/s
> Bit Rate:5.31211e-315 Mb/s
> Bit Rate:5.31729e-315 Mb/s
> Bit Rate:5.31276e-315 Mb/s
> Bit Rate:5.31794e-315 Mb/s
> Bit Rate:5.32312e-315 Mb/s
> Bit Rate:5.32636e-315 Mb/s
> Bit Rate:5.316e-315 Mb/s
> Bit Rate:5.32118e-315 Mb/s
> Bit Rate:5.3283e-315 Mb/s
> Bit Rate:5.32927e-315 Mb/s
> Cell 02 - Address: 00:11:95:76:8F:60
> ESSID:"econAP1"
> Mode:Managed
> Channel:2.05102e-314
> Quality=100/100 Signal level=-97 dBm Noise level=-92
> dBm Encryption key:on
> Bit Rate:5.29981e-315 Mb/s
> Bit Rate:5.30499e-315 Mb/s
> Bit Rate:5.31211e-315 Mb/s
> Bit Rate:5.31729e-315 Mb/s
> Bit Rate:5.31276e-315 Mb/s
> Bit Rate:5.31794e-315 Mb/s
> Bit Rate:5.32312e-315 Mb/s
> Bit Rate:5.32636e-315 Mb/s
> Bit Rate:5.316e-315 Mb/s
> Bit Rate:5.32118e-315 Mb/s
> Bit Rate:5.3283e-315 Mb/s
> Bit Rate:5.32927e-315 Mb/s
> Cell 03 - Address: 00:1B:57:F1:24:99
> ESSID:"UTStarcom"
> Mode:Managed
> Channel:3.03586e-315
> Quality=100/100 Signal level=-98 dBm Noise level=-92
> dBm Encryption key:off
> Bit Rate:5.29981e-315 Mb/s
> Bit Rate:5.30499e-315 Mb/s
> Bit Rate:5.31211e-315 Mb/s
> Bit Rate:5.31729e-315 Mb/s
> Bit Rate:5.32118e-315 Mb/s
> Bit Rate:5.32312e-315 Mb/s
> Bit Rate:5.32636e-315 Mb/s
> Bit Rate:5.32927e-315 Mb/s
> Bit Rate:5.31276e-315 Mb/s
> Bit Rate:5.316e-315 Mb/s
> Bit Rate:5.31794e-315 Mb/s
> Bit Rate:5.3283e-315 Mb/s
>
>
> I established the link with one of my access point using following commands
> ifconfig eth1 192.168.6.165 up
> ./iwconfig eth1 mode 2
> ./iwconfig eth1 essid "econAP1"
> ./iwconfig eth1 enc "s:ca188"
> ./iwconfig eth1 key 0123456789
> route add default gw 192.168.6.1 eth1
>
>
> After giving above commands my board get associated with the access point.
> See the output of below command
>
> [root at REGULUS /tmp]#./iwconfig eth1
> Warning: Driver for device eth1 has been compiled with version 22
> of Wireless Extension, while this program supports up to version 17.
> Some things may be broken...
>
> eth1 IEEE 802.11b/g ESSID:"econAP1"
> Mode:Managed Channel:-2.06365e+267 Access Point:
> 00:11:95:76:8F:60 Bit Rate:1.63394e-312 2b/s Tx-Power=15 dBm
> Retry limit:8 RTS thr=2347 B Fragment thr=2346 B
> Encryption key:0123-4567-89 Security mode:open
> Power Management:off
> Link Quality=12/100 Signal level=-89 dBm Noise level=-93 dBm
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:4496
> Tx excessive retries:6 Invalid misc:16 Missed beacon:0
>
>
> But with in 5min board lost the association with the access point. Please
> see the output of iwconfig once after association get lost
>
> [root at REGULUS /tmp]#./iwconfig eth1
> Warning: Driver for device eth1 has been compiled with version 22
> of Wireless Extension, while this program supports up to version 17.
> Some things may be broken...
>
> eth1 IEEE 802.11b/g ESSID:""
> Mode:Managed Channel:-2.06365e+267 Access Point:
> 00:00:00:00:00:00 Bit Rate:2.27054e-312 2b/s Tx-Power=15 dBm
> Retry limit:8 RTS thr=2347 B Fragment thr=2346 B
> Encryption key:0123-4567-89 Security mode:open
> Power Management:off
> Link Quality:0 Signal level:0 Noise level:0
> Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:4496
> Tx excessive retries:0 Invalid misc:16 Missed beacon:0
>
> Please give reply for the above issue.
Hi All,
Can any one help me to solve the above mentioned issue?
--
Thanks and regards,
Praveen
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