LinuxQuestions.org - i can not up the wlan0

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- Linux - Newbie (https://www.linuxquestions.org/questions/linux-newbie-8/)

- - i can not up the wlan0 (https://www.linuxquestions.org/questions/linux-newbie-8/i-can-not-up-the-wlan0-840222/)

BanSton

10-24-2010 08:55 PM

i can not up the wlan0

#ifconfig wlan0 up
SIOCSIFFLAGS: Operation not possible due to RF-kill

and

# rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: yes
-----------------------------------------------------------------------
i use Archlinux
(#rfkill unblock all) can not solv this problem.
Hard blocked is still "yes"

and the wireless is enable in BIOS

-----------------------------------------------------------------------
my wireless card is LINK 5100
it worked great before 'pacman -Syu'

what should i do?thankkks.

rfernandez

10-24-2010 09:05 PM

Which laptop do you have? Is there any physical switch? Is the wireless led indicator on?

BanSton

10-24-2010 09:13 PM

i use HASEE HP870
and no these switch。
the problem just is that i can not let the wireless led indicator on…

BanSton

10-25-2010 10:43 AM

nobody help？
plz……
thanks！

BanSton

10-25-2010 10:44 AM

nobody help？
plz……
thanks！

codegenie

10-25-2010 11:23 AM

I dont know if you have read this, if not check this out. It might help

http://axcoto.com/blog/article/tag/s...due-to-rf-kill

prayag_pjs

10-26-2010 01:38 AM

Hi,

Do this

Code:

rfkill list

Hard blocked is when you turn off wifi button on laptop!
Soft blocked seems come from something like driver/module

Code:

rfkill unblock 0

Code:

rfkill unblock 1

Then try if it works:

Code:

sudo ifconfig wlan0 up

Restart system, it get soft blocked again after reboot!

You need some flag in booting process to let system know that don’t block it,as given below:

vim /etc/modprobe.d/modprobe.conf

Quote:

options ath_pci rfkill=0

tailinlinux

10-26-2010 01:58 AM

configure you wireless in system
go to to networking.

see option there

BanSton

10-26-2010 02:16 AM

Quote:

Originally Posted by prayag_pjs (Post 4139375)

Hi,

Do this

Code:

rfkill list

Hard blocked is when you turn off wifi button on laptop!
Soft blocked seems come from something like driver/module

Code:

rfkill unblock 0

Code:

rfkill unblock 1

Then try if it works:

Code:

sudo ifconfig wlan0 up

Restart system, it get soft blocked again after reboot!

You need some flag in booting process to let system know that don’t block it,as given below:

vim /etc/modprobe.d/modprobe.conf

i have done it，but it still block…

tailinlinux

10-26-2010 02:18 AM

Quote:

Originally Posted by banston (Post 4139411)

i have done it，but it still block…

try to check your hardware if it is in good condition

BrZ	11-02-2010 10:29 PM

Same thing here with my Atheros. The hard block only occurs when suspending to disk (hibernation) and "rfkill unblock all" don't release it. It started with kernel 2.6.36. Suspending to ram goes without problem. I had two options to bring wireless up again: rebooting or removing the modules and blacklisting rfkill before probing ath5k again, but I loose acer_wmi functionality.

BanSton

11-06-2010 05:58 AM

Quote:

Originally Posted by BrZ (Post 4147583)

okay.~thanks~

BrZ	11-16-2010 06:18 PM

@BanSton,

I was wrong about the kernel. First time I saw this error was shortly after I had 2.6.36 compiled. Playing recently with ConsoleKit I lost permission to manage power functions when starting KDE by console. Sent the system a "few" times to memory/disk and all came clean. The bug goes away... Sorry for misleading.

tailinlinux

11-16-2010 07:35 PM

check your bios

BrZ	11-17-2010 06:13 AM

No changes made. If you have udev 1.6.4, yesterday I saw this on changelog (Slackware):

Quote:

...
a/udev-164-x86_64-2.txz: Rebuilt.
Set rfkill device writable by netdev group.
...

That 'rfkill' got my attention...

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