Re: ath9k stops working (DMA trouble?) shortly after going online

[Sujith Manoharan <c_manoha@qca.qualcomm.com>]

Tvrtko Ursulin wrote:
> On Monday 28 May 2012 14:01:41 Mohammed Shafi wrote:
> > On Mon, May 28, 2012 at 5:46 PM, Tvrtko Ursulin
> > 
> > <tvrtko.ursulin@onelan.co.uk> wrote:
> > > Hi all,
> > > 
> > > This is on kernel 3.3.2, with the following hardware:
> > > 
> > > 03:00.0 Network controller: Atheros Communications Inc. AR928X Wireless
> > > Network Adapter (PCI-Express) (rev 01)
> > > 
> > > dmesg below. I wonder if this is a known issue and I should try
> > > X, Y or Z for a fix? Or any other info / debugging you would like
> > > me to do just ask.
> > 
> > can you  please try if this helps
> > http://www.spinics.net/lists/linux-wireless/msg90835.html
> 
> I have switched to today's git for testing where I could reproduce the 
> problem. Then on top of that I tried the suggested patch but unfortunately 
> breakage is still there and looks similar to me. New dmesg attached.

Can you load the driver with debug=0x8f49 and post the log here ?
Note that debugging has to be enabled [1]

[1] - http://linuxwireless.org/en/users/Drivers/ath9k/debug

Sujith