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samuaz
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PostPosted: Wed May 29, 2013 12:24 am    Post subject: Not autoscanning wifi with b43 driver Reply with quote

hi people, i have a problem with the b43 driver for my broadcom 4312

i have it correctly installed but the wifi autoscann no work, i need to manually add my wifi connection every reboot, or in console do a sudo iwlist scanning && sudo iwlist wlan0 scanning but i need to do it every reboot

i also have this problem in ubuntu with the b43 driver any fix for this?

thanks
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DONAHUE
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PostPosted: Wed May 29, 2013 12:42 am    Post subject: Reply with quote

what form of wireless networking are you using? networkmanager? wicd? gentoo handbook style? gui or cli?
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samuaz
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PostPosted: Wed May 29, 2013 1:44 am    Post subject: Reply with quote

hi, im using networkmanager and kde 4.10.2
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DONAHUE
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PostPosted: Wed May 29, 2013 3:33 am    Post subject: Reply with quote

not using either of those right now
vague memory suggests that b43 is not the problem but rather networkmanager is
/etc/NetworkManager should contain configuration files that need review and that should record what choices you make in the networkmanager applet

also, maybe
~/.kde4/share/apps/networkmanagement/
~/.kde4/share/config/networkmanagementrc
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eccerr0r
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PostPosted: Sat Jun 08, 2013 4:51 pm    Post subject: Reply with quote

What kernel are you using? I'm seeing similar behavior in 3.8.13-gentoo but not seeing it in 3.7.10-gentoo on my bcm4318 wifi.

It can even take several minutes, almost a half hour before any access points are visible, but in 3.7.10, access points show up right away. This sort of makes me have to manually poll networkmanager until it shows up.

I'm thinking a kernel regression here...

Here's another question to see if we have the same problem: If I type "iwlist scan" at the command prompt when I'm "waiting" for the wifi to show up, this list also shows up empty - just like networkmanager. But after a while it will show up and work perfectly.
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bandreabis
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PostPosted: Mon Jun 24, 2013 8:47 am    Post subject: Reply with quote

UP?
Any solution?
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eccerr0r
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PostPosted: Mon Jun 24, 2013 1:34 pm    Post subject: Reply with quote

I wonder if a bugtracker bug is warranted...
Curious what versions of the kernel those who have this issue are using...

Currently my parents are using 3.7.10 as a workaround.
I'll need to see what happens if a newer build is used.
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bandreabis
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PostPosted: Mon Jun 24, 2013 1:43 pm    Post subject: Reply with quote

Using 3.8.13 BUGGED.
3.7.10 NOT BUGGED (By this bug).
3.9.6 (just tryed) BUGGED.
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eccerr0r
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PostPosted: Mon Jun 24, 2013 1:50 pm    Post subject: Reply with quote

Did you try 3.7.10? I might be an anomaly...
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PostPosted: Mon Jun 24, 2013 1:53 pm    Post subject: Reply with quote

eccerr0r wrote:
Did you try 3.7.10? I might be an anomaly...


Yes, I tryed it. Not bugged one.
It was the previous stable kernel.
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PostPosted: Mon Jun 24, 2013 11:10 pm    Post subject: Reply with quote

For 3.8.x, does that "iwlist scanning" trick work?

meaning, if you run iwlist scanning enough times, networkmanager will eventually detect... Weird!

I just saw another post that this trick works similar to the OP... Now if I can figure out how to do this remotely on the target machine through its wifi :o
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PostPosted: Tue Jun 25, 2013 6:20 am    Post subject: Reply with quote

iwlist scan is the only way to make it work, I wrote a script to perform it by clicking on an icon on the desktop.
It's so a stupid workaround!
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PostPosted: Tue Jun 25, 2013 1:58 pm    Post subject: Reply with quote

Blah...silly kernel. Thanks for testing, I probably will see if I can stealth incorporate this workaround somehow... but this is weird indeed!

Edit: I added "iwlist scanning" in my /etc/local.d/crap_needed_for_3.8.start file (create a new one and chmod +x it), so it runs this on boot... Anecdotal evidence indicates this actually does work around the problem on my parents' machine.
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PostPosted: Tue Jul 09, 2013 6:23 am    Post subject: Reply with quote

eccerr0r wrote:
Blah...silly kernel. Thanks for testing, I probably will see if I can stealth incorporate this workaround somehow... but this is weird indeed!

Edit: I added "iwlist scanning" in my /etc/local.d/crap_needed_for_3.8.start file (create a new one and chmod +x it), so it runs this on boot... Anecdotal evidence indicates this actually does work around the problem on my parents' machine.


I forgot to thak you for this workaround.

It's working very well.

I would prefer if newer kernels were not bugged... but alas!!
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