From owner-freebsd-wireless@FreeBSD.ORG  Mon Nov 21 15:20:54 2011
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Date: Mon, 21 Nov 2011 15:20:54 +0000
From: Alexander Best <arundel@freebsd.org>
To: Warren Block <wblock@wonkity.com>
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Cc: freebsd-wireless@freebsd.org
Subject: Re: issues with the recent ath commits (r227740, r227651, ...)
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On Mon Nov 21 11, Warren Block wrote:
> On Mon, 21 Nov 2011, Alexander Best wrote:
> 
> >hi there,
> >
> >after the recent ath commits (r227740, r227651, ...) i'm experiencing 
> >issues
> >with my
> >
> >ath0@pci0:5:1:0:	class=0x020000 card=0x5a001385 chip=0x0013168c 
> >rev=0x01 hdr=0x00
> >   vendor     = 'Atheros Communications Inc.'
> >   device     = 'AR5212/AR5213 Wireless Network Adapter'
> >   class      = network
> >   subclass   = ethernet
> >
> >card on amd64. my system will either panic right during boot up or will
> >actually boot, but then after a few minutes lock up my whole system.
> >
> >i'll try reverting my kernel to r227739 to check, if that fixes the issue.
> >if it does, i'll try to gather some more stats to identify the issue more
> >thoroughly. if it does not, i'll try reverting past the other recent ath
> >commits (such as r227651).
> 
> Also seen here with a AR5BXB63:
> 
> ath0@pci0:1:0:0:        class=0x028000 card=0x0087106b chip=0x0024168c 
> rev=0x01 hdr=0x00
>     vendor     = 'Atheros Communications Inc.'
>     device     = 'AR5008 Wireless Network Adapter'
>     class      = network
>     bar   [10] = type Memory, range 64, base 0xfddf0000, size 65536, enabled
> 
> Updated to latest -head a couple of days ago, it came up and worked fine 
> in 11g mode for a few minutes, possibly until nontrivial network 
> activity.  Then locked up hard.  Removing the card and using wired 
> networking solved it, but I haven't gone back to narrow it down yet.

i've experimented a bit with different kernels:

r227651 - panics or locks up after a few minutes
r227650 - everything ok

... so switching back to r227650 should solve the issue for you, too.

cheers.
alex

>