Possible fix for b43 related stability issues

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mix
Posts: 292
Joined: Sun Feb 27, 2011 11:18 am

Possible fix for b43 related stability issues

Post by mix »

It seems someone has finally made some progress on why b43 seems to randomly stop working, and it's related to the wifi switching between 802.11b and 802.11g rates:

http://lists.infradead.org/pipermail/b4 ... hread.html

A temporary fix is purportedly to force the ap radio and your client radio to only use 802.11b or 802.11g rates. Depending on your interpretation of Hauke's comment, just forcing the ap to use only the b or g rate may be enough. I am currently testing my router with the following command (which I ran from a ssh session):

iw dev wlan0 set bitrates legacy-2.4 6 9 12 18 24 36 48 54

If you are using a wrt54g, wrt54gl or some similar router, it might be worth a try.
WRT54GL v1.1
Gargoyle 1.4.7

ispyisail
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Posts: 5180
Joined: Mon Apr 06, 2009 3:15 am
Location: New Zealand

Re: Possible fix for b43 related stability issues

Post by ispyisail »

did it work?

lerim
Posts: 12
Joined: Wed Oct 24, 2012 2:25 pm

Re: Possible fix for b43 related stability issues

Post by lerim »

Hi Mix,

Any update to this issue?
We would like to know as this might be the answer tot he connection timeout we're experiencing http://www.gargoyle-router.com/phpbb/vi ... =11&t=3334

Thanks!

Merrill

lerim
Posts: 12
Joined: Wed Oct 24, 2012 2:25 pm

Re: Possible fix for b43 related stability issues

Post by lerim »

Ok I will try this on the WRT54G v3.0 and see if this works.
We've set set the DHCP Lease Time to 8,760 hours as we thought this will fix it.

iw dev wlan0 set bitrates legacy-2.4 6 9 12 18 24 36 48 54

first if this doesn't work we will try

iw dev wlan0 set bitrates legacy-2.4 1 2 5.5 11

:D

lerim
Posts: 12
Joined: Wed Oct 24, 2012 2:25 pm

Re: Possible fix for b43 related stability issues

Post by lerim »

ok we tried the fix and it didn't work.
cannot connect to the internet and wifi for some reason.
we don't know how to revert the changes so we'll re-image to 1.4.6 or 1.3.6 to see if that works for us.

lerim
Posts: 12
Joined: Wed Oct 24, 2012 2:25 pm

Re: Possible fix for b43 related stability issues

Post by lerim »

so far 1.3.9 is stable on the linksys

mix
Posts: 292
Joined: Sun Feb 27, 2011 11:18 am

Re: Possible fix for b43 related stability issues

Post by mix »

Ok more news on this front, and probably the most promising I have seen yet. Please check out these patches submitted to b43-dev mailing list and the responses to them:

http://lists.infradead.org/pipermail/b4 ... 03047.html

https://dev.openwrt.org/ticket/7552
WRT54GL v1.1
Gargoyle 1.4.7

mix
Posts: 292
Joined: Sun Feb 27, 2011 11:18 am

Re: Possible fix for b43 related stability issues

Post by mix »

Anyone want to try porting these patches to Backfire and save WRT54GL routers from extinction? Eric?

https://dev.openwrt.org/changeset/36474
WRT54GL v1.1
Gargoyle 1.4.7

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