From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luis R. Rodriguez Date: Fri, 13 Nov 2009 09:35:07 -0800 Subject: [ath9k-devel] ath9k: DMA failed to stop in 10 ms In-Reply-To: <50d9f33a0911130822y16e94817q42166bb69499e91@mail.gmail.com> References: <20091112152600.GA7562@sig21.net> <20091112181045.GA8839@sig21.net> <43e72e890911121013t7273c09fybff75fa2484cf07c@mail.gmail.com> <43e72e890911121014r13705ac0of8db341749bca528@mail.gmail.com> <20091112195437.GA11611@sig21.net> <50d9f33a0911130822y16e94817q42166bb69499e91@mail.gmail.com> Message-ID: <20091113173507.GE3865@tux> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On Fri, Nov 13, 2009 at 08:22:57AM -0800, Neil Wilson wrote: > 2009/11/12 Johannes Stezenbach : > > On Thu, Nov 12, 2009 at 10:14:06AM -0800, Luis R. Rodriguez wrote: > >> On Thu, Nov 12, 2009 at 10:13 AM, Luis R. Rodriguez wrote: > >> > On Thu, Nov 12, 2009 at 10:10 AM, Johannes Stezenbach > >> >>> When running kismet I get a lot of > >> >>> > >> >>> [ 2030.531809] ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x00000020 > >> >> > > I get this issue a lot in normal operation and it hangs the driver > completely. So much so that I can't reload the module after unloading > it. > > For me its a real problem. Can you compile wireless-testing and enable full debugging on ath9k? modprobe ath9k debug=0xffffff and see if you can capture a few lines around the "DMA failed to stop". See: http://wireless.kernel.org/en/users/Drivers/ath9k/debug I'll see if I can get compat-wireless tested to enable debug if you don't want to compile wireless-testing. Luis