Re: networkmanager can not enable wireless scanning

[LovelyLich <lovelylich gmail com>]

Thanks Larry for your help.
iwconfig shows a wireless device.
here is my output :

this dmesg -c output is the only output when i click the 'enable
wireless' button(of course, it automaticly unchecked again. :( )
[root localhost]/home/codedancer# dmesg -c
[  434.786071] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready

And other command output is below, thanks .

[root localhost]/home/codedancer# rfkill list
0: acer-wireless: Wireless LAN
        Soft blocked: yes
        Hard blocked: no
1: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
[root localhost]/home/codedancer# iwconfig
wlp3s0    IEEE 802.11bgn  ESSID:off/any
          Mode:Managed  Access Point: Not-Associated   Tx-Power=16 dBm
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:on

vmnet8    no wireless extensions.

p4p2      no wireless extensions.

lo        no wireless extensions.

vmnet1    no wireless extensions.

[root localhost]/home/codedancer#

2013/9/26 Larry Finger <Larry Finger lwfinger net>:
> On 09/25/2013 09:28 PM, LovelyLich wrote:
> > Hi list,
> > When I click 'enable wireless', nm will automaticly uncheck the button
> > before 'enable wireless'.
> > Even if I try to boot with  ubuntu 13.04 livecd , it still cannot
> > enable wireless.
> > here is my laptop info from fedora:
> > lspci -v
> > 03:00.0 Network controller: Qualcomm Atheros AR9485 Wireless Network
> > Adapter (rev 01)
> >          Subsystem: Lite-On Communications Inc Device 6627
> >          Flags: bus master, fast devsel, latency 0, IRQ 18
> >          Memory at f7900000 (64-bit, non-prefetchable) [size=512K]
> >          Expansion ROM at f7980000 [disabled] [size=64K]
> >          Capabilities: [40] Power Management version 2
> >          Capabilities: [50] MSI: Enable- Count=1/4 Maskable+ 64bit+
> >          Capabilities: [70] Express Endpoint, MSI 00
> >          Capabilities: [100] Advanced Error Reporting
> >          Capabilities: [140] Virtual Channel
> >          Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
> >          Kernel driver in use: ath9k
> >
> > ethtool -i :
> > [root localhost]/home/codedancer# ethtool -i wlp3s0
> > driver: ath9k
> > version: 3.9.5-301.fc19.x86_64
> > firmware-version: N/A
> > bus-info: 0000:03:00.0
> > supports-statistics: yes
> > supports-test: no
> > supports-eeprom-access: no
> > supports-register-dump: no
> > supports-priv-flags: no
> > [root localhost]/home/codedancer#
> >
> > Please help me , thanks .
> > if you need more info, just let me know.
>
>
> Two things that suppress wireless come to mind.
>
> Does iwconfig show a wireless device? If not, you may be missing the
> necessary firmware. Check the output of dmesg to see if there are any
> messages regarding missing firmware.
>
> Does "rfkill list" show anything blocked?
>
> Larry