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Wireless stop working after kernel update [SOLVED]
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Efo
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Joined: 23 Jun 2005
Posts: 345

PostPosted: Wed Mar 06, 2013 5:00 am    Post subject: Wireless stop working after kernel update [SOLVED] Reply with quote

Hi guys,

I updated my kernel to 3.7.9 and now I am having issues with my wireless card.

rfkill list
Code:

0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes

which should indicate a physical switch. The only switch I have ever used is "fn+F11" and that didnt help.
rfkill unblock all didnt help either.

I went through the kernel configuration at http://en.gentoo-wiki.com/wiki/Iwlwifi (just in case), but that didnt help.

lspci -v
Code:

02:00.0 Network controller: Intel Corporation Ultimate N WiFi Link 5300
        Subsystem: Intel Corporation Device 1001
        Flags: bus master, fast devsel, latency 0, IRQ 16
        Memory at f4100000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: [c8] Power Management version 3
        Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
        Capabilities: [e0] Express Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [140] Device Serial Number 00-26-ra-fe-ee-h6-3f-9b
        Kernel driver in use: iwlwifi


eix -I iwl500
Code:

[I] sys-firmware/iwl5000-ucode
     Available versions:
        (1)     8.24.2.12
        (2)     8.83.5.1-r1
     Installed versions:  8.83.5.1-r1(2)(08:20:29 PM 03/05/2013)
     Homepage:            http://intellinuxwireless.org/?p=iwlwifi
     Description:         Intel (R) Wireless WiFi Link 5100/5300 ucode


Any idea?

Thanks!

Efo


Last edited by Efo on Tue Mar 12, 2013 3:56 am; edited 2 times in total
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jpc22
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Joined: 29 Jan 2012
Posts: 186

PostPosted: Fri Mar 08, 2013 1:31 am    Post subject: Reply with quote

You seem to have done your research. I would suggest you double check if the ``wireless power management enabled by default`` option in the kernel is enabled ? Otherwise if rfkill is compiled in your kernel, i dont see why it should be locked like that.

If you dont mind a kernel compilation and unstable you could try bumping up the kernel version.
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Efo
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PostPosted: Sun Mar 10, 2013 1:57 am    Post subject: Reply with quote

Hi jpc22,

Thank you for the reply. I just tried kernel 3.9.10 and no luck. I think I must be missing something big....

Do you mean:
Network support -> wireless -> enable powersave by default ?

I tried with and without it, but no luck.
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jpc22
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PostPosted: Sun Mar 10, 2013 7:13 pm    Post subject: Reply with quote

Network support -> wireless -> enable powersave by default ? is exactly what i meant.


you could try wavemon in command line to check if your card gets some signal.
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Efo
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PostPosted: Tue Mar 12, 2013 3:54 am    Post subject: Reply with quote

Found it!

DONAHUE suggestion did the trick.
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Efo
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PostPosted: Thu Apr 11, 2013 5:04 am    Post subject: Reply with quote

Update: after the udev-200 update my wireless card stopped working. I undid the changes suggested by DONAHUE and now it is working again. I had to reboot the box twice because after the first boot the system wouldnt stop scanning addresses; on the second boot all was good.
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