want to see how far it gets? ... not far. this looks like the problem i
just reported w/ the busy waiting and driver defunct.

On Sun, 5 Jun 2011 21:18:34 +0800
Adrian Chadd <adr...@freebsd.org> wrote:

> On 5 June 2011 21:04, Camilo Mesias <cam...@mesias.co.uk> wrote:
> > Hi,
> >
> > thanks for the suggestions.
> >
> > I didn't get back a stable value from that regidx/regval, I settled
> > on this:
> >
> > [root@newt ~]# for x in $(seq 1 1000) ; do echo "0x7868" >
> > /sys/kernel/debug/ieee80211/phy0/ath9k/regidx; cat
> > /sys/kernel/debug/ieee80211/phy0/ath9k/regval; done|sort |uniq
> > 0x02036085
> > 0x42030085
> > 0x42035885
> > 0x42036085
> > 0x82030085
> > 0x82036085
> >
> > Does that trailing 5 mean anything? Here is the corresponding lspci
> > output:
> 
> It means you have an AR9285, not AR9285SE. (the last three bits have
> to be 0x01, and yours is 0x5. :-)
> 
> >> You could also try flipping the AR9285_WA_DEFAULT value and/or
> >> register inivals back to the previous version?
> >
> > Is this a rebuild of the kernel module or configuration?
> 
> The kernel module.
> 
> >> So I bet it's something more subtle, like strange behaviour with
> >> sleep state, powering down the PCIe bus right, etc, etc.
> >
> > I can trigger the hang with iwconfig wlan0 tx off, if that helps. I
> > thought that sounded fairly specific to the chip...
> 
> Have you compiled the driver with debugging? You could enable ath
> debugging (set debug to 0xffffffff; I think there's a proc/sysfs
> variable for this too) and then run iwconfig wlan0 tx off; see how far
> it gets. It may not even be an ath9k bug.. :-)
> 
> 
> Adrian
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> ath9k-devel@lists.ath9k.org
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-- 
Lars Schotte
@ Hana (F14)
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