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b43 wifi suddenly becoming really slow?
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eccerr0r
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Joined: 01 Jul 2004
Posts: 7051
Location: almost Mile High in the USA

PostPosted: Mon Jan 12, 2015 1:32 am    Post subject: b43 wifi suddenly becoming really slow? Reply with quote

Has anyone recently had their b43 broadcom driver wifi (bcm4318) suddenly become very slow, it doesn't appear to be losing packets but despite the WAP being within 10 feet and LOS of the antennas, it's very very slow.

It had been working just fine up until recently. Unsure what happened to it (using new 3.17.7 kernel and networkmanager are two things that happened recently but it seemed to have happened prior to these...

Slow... slow as in... Dial-up speeds. (!!!!)

Code:
wlan0     IEEE 802.11bg  ESSID:"MYESSID" 
          Mode:Managed  Frequency:2.462 GHz  Access Point: MYWIRELESSACCESSPOINT   
          Bit Rate=2 Mb/s   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=65/70  Signal level=-49 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:149   Missed beacon:0

Radio in the wifi card died?
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BradN
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Joined: 19 Apr 2002
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Location: Wisconsin (USA)

PostPosted: Wed Jan 14, 2015 4:20 am    Post subject: Reply with quote

Try booting a livecd and see if it works right in there?
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eccerr0r
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Joined: 01 Jul 2004
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PostPosted: Thu Jan 15, 2015 2:19 am    Post subject: Reply with quote

For some reason a power cycle at least temporarily cleared things up. Weird...
I guess this is sort of what to expect in reverse engineered drivers?
Still better than nothing. Or Ndiswrappers...
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F_
Tux's lil' helper
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Joined: 31 Dec 2006
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PostPosted: Thu Jan 15, 2015 3:07 am    Post subject: Reply with quote

I wonder if your laptop was overheated and that had anything to do with it. Just a thought.
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eccerr0r
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Joined: 01 Jul 2004
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Location: almost Mile High in the USA

PostPosted: Thu Jan 15, 2015 3:31 am    Post subject: Reply with quote

It could have, but it had been able to work through the same situation many times before. Maybe it is time to get the fans cleaned out, not sure... Alas remote admin is tough...
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