Why Networkmanager gets AP need several time?

["tommy.hong" <hongjiujing 126 com>]

Platform :arm11
Networkmanager version :networkmanager 0.7.1

Linux kerne:2.6.24.2

USB wifi :rtl3070

Why Networkmanager gets AP need several time?



root localhost:/# /etc/init.d/NetworkManager restart
Stopping NetworkManager daemon: NetworkManagersh: you need to specify whom to kill
.
CTRL-EVENT-TERMINATING - signal 15 received
ioctl[SIOCSIWAUTH]: Operation not supported
WEXT auth param 4 value 0x0 -
Starting NetworkManager daemon: NetworkManagerdbus_bus_request_name[dbus]: Resource temporarily unavailable
Could not request DBus service name: already registered.
Failed to initialize wpa_supplicant
.
root localhost:/# Terminate the task(RtmpMlmeTask) with pid(2131)!
Terminate the task(RtmpCmdQTask) with pid(2132)!
Terminate the task(RtmpTimerTask) with pid(2130)!
---> RTMPFreeTxRxRingMemory
<--- RTMPFreeTxRxRingMemory
** Message: NM appeared
\
>
root localhost:/# <-- RTMPAllocTxRxRingMemory, Status=0
-->RTUSBVenderReset
<--RTUSBVenderReset

root localhost:/#
root localhost:/#
root localhost:/#
root localhost:/# Key1Str is Invalid key length(0) or Type(0)
Key2Str is Invalid key length(0) or Type(0)
Key3Str is Invalid key length(0) or Type(0)
Key4Str is Invalid key length(0) or Type(0)
1. Phy Mode = 9
2. Phy Mode = 9
3. Phy Mode = 9
RTMPSetPhyMode: channel is out of range, use first channel=1
MCS Set = ff 00 00 00 01

RTMPFilterCalibration - can't find a valid value, loopcnt=102 stop calibrating<==== rt28xx_init, Status=0
0x1300 = 00064300

ioctl[SIOCGIWSCAN]: Resource temporarily unavailable
ioctl[SIOCGIWSCAN]: Resource temporarily unavailable
ioctl[SIOCGIWSCAN]: Resource temporarily unavailable
ioctl[SIOCGIWSCAN]: Resource temporarily unavailable
ioctl[SIOCGIWSCAN]: Resource temporarily unavailable


need several minutes to get AP!

but :

root localhost:/new3gdriver/image/sbin# ./iwlist ra0 scanning
===>rt_ioctl_giwscan. 6(6) BSS returned, data->length = 766
ra0       Scan completed :
          Cell 01 - Address: 00:14:78:CB:E7:06
                    Protocol:802.11b/g
                    ESSID:"XIZIIUK-NJ"
                    Mode:Managed
                    Channel:6
                    Quality:13/100  Signal level:-85 dBm  Noise level:-115 dBm
                    Encryption key:on
                    Bit Rates:36 Mb/s
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                       Preauthentication Supported
          Cell 02 - Address: 00:23:CD:48:D6:6A
                    Protocol:802.11b/g
                    ESSID:"TP-LINK_48D66A"
                    Mode:Managed
                    Channel:6
                    Quality:7/100  Signal level:-87 dBm  Noise level:-115 dBm
                    Encryption key:on
                    Bit Rates:36 Mb/s
          Cell 03 - Address: 00:1C:B0:91:6E:8C
                    Protocol:802.11g
                    ESSID:"xxxx"
                    Mode:Managed
                    Channel:6
                    Quality:63/100  Signal level:-65 dBm  Noise level:-115 dBm
                    Encryption key:on
                    Bit Rates:11 Mb/s
                    IE: WPA Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
          Cell 04 - Address: 00:23:CD:E7:F3:9E
                    Protocol:802.11b/g
                    ESSID:"TP-123"
                    Mode:Managed
                    Channel:6
                    Quality:0/100  Signal level:-91 dBm  Noise level:-115 dBm
                    Encryption key:on
                    Bit Rates:36 Mb/s
          Cell 05 - Address: 02:80:D1:C8:32:12
                    Protocol:802.11b
                    ESSID:"axel"
                    Mode:Ad-Hoc
                    Channel:11
                    Quality:7/100  Signal level:-87 dBm  Noise level:-115 dBm
                    Encryption key:off
                    Bit Rates:11 Mb/s
          Cell 06 - Address: 02:1B:77:00:00:C8
                    Protocol:802.11b/g
                    ESSID:"LocalGroup"
                    Mode:Ad-Hoc
                    Channel:11
                    Quality:13/100  Signal level:-85 dBm  Noise level:-115 dBm
                    Encryption key:off
                    Bit Rates:11 Mb/s

can get AP quickly ?


I guess it is a driver or H/W issue ?

Tommy

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