From: Luis R. Rodriguez <lrodriguez@atheros.com>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] DMA issues with ar9280 cards
Date: Fri, 25 Feb 2011 09:12:09 -0800 [thread overview]
Message-ID: <20110225171209.GS19293@tux> (raw)
In-Reply-To: <201102251037.07890.bschmidt@techwires.net>
On Fri, Feb 25, 2011 at 01:37:07AM -0800, Bernhard Schmidt wrote:
> On Thursday, February 24, 2011 19:18:25 Luis R. Rodriguez wrote:
> > On Thu, Feb 24, 2011 at 01:33:18AM -0800, Bernhard Schmidt wrote:
> > >
> > > I've stripped everything not necessary, this one is use for the log
> > > below.
> > >
> > > # cat /etc/hostapd.conf
> > > interface=wlan0
> > > driver=nl80211
> > > ssid=testtest
> > > hw_mode=a
> > > channel=44
> >
> > > [ 574.605956] ath: Enable TXE on queue: 9
> > > [ 574.708386] ath: Enable TXE on queue: 9
> > > [ 574.810752] ath: Enable TXE on queue: 9
> > > [ 574.913151] ath: Enable TXE on queue: 9
> > > [ 575.015541] ath: Enable TXE on queue: 9
> > > [ 575.117938] ath: Enable TXE on queue: 9
> > > [ 575.220335] ath: Enable TXE on queue: 9
> > > [ 575.322732] ath: Enable TXE on queue: 9
> > > [ 576.248395] ath: ath9k_hw_stoptxdma: Num of pending TX Frames 1 on Q 9
> > > [ 576.259188] ath: Failed to stop TX DMA in 100 msec after killing last frame
> >
> > Can you confirm what kernel ?
> >
> > I see 2.6.38-rc6-wl-12466-g09f3227
> >
> > So I take it you are using wireless-testing, is this right? Can you reproduce with
> > wireless-testing as of today? This would be helpful for our own testing.
>
> Yes, the logs were posted using wireless-testing, always pulled before
> doing the tests.
>
> Just to confirm, with wireless-testing as of a few minutes ago, same
> behavior.
>
> # uname -a
> Linux meshnode 2.6.38-rc6-wl-12527-g8ccd3c8 #25 SMP Fri Feb 25 10:19:49 CET 2011 i686 GNU/Linux
> # git log --pretty=oneline | head -n1
> 8ccd3c862a39d46626ba89777e59d1775a579b62 Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
>
> [ 176.675020] ath: Enable TXE on queue: 9
> [ 176.777416] ath: Enable TXE on queue: 9
> [ 176.827134] ath: qnum: 0, txq depth: 0
> [ 176.831007] ath: Enable TXE on queue: 0
> [ 176.834979] ath: tx queue 0 (2f1b01f4), link ef1b01f4
> [ 176.840244] ath: tx queue 0 (2f1b01f4), link ef1b01f4
> [ 176.879857] ath: Enable TXE on queue: 9
> [ 176.982217] ath: Enable TXE on queue: 9
> ..
> [ 202.786342] ath: Enable TXE on queue: 9
> [ 202.888732] ath: Enable TXE on queue: 9
> [ 203.814434] ath: ath9k_hw_stoptxdma: Num of pending TX Frames 1 on Q 9
> [ 203.825260] ath: Failed to stop TX DMA in 100 msec after killing last frame
> [ 203.836898] ath: Reset TX queue: 0
> [ 203.840352] ath: Reset TX queue: 1
> [ 203.843794] ath: Reset TX queue: 2
> [ 203.847238] ath: Reset TX queue: 3
> [ 203.850683] ath: Reset TXQ, inactive queue: 4
> [ 203.855077] ath: Reset TXQ, inactive queue: 5
> [ 203.859469] ath: Reset TXQ, inactive queue: 6
> [ 203.863864] ath: Reset TXQ, inactive queue: 7
> [ 203.868258] ath: Reset TX queue: 8
> [ 203.871709] ath: Reset TX queue: 9
> [ 203.877917] ath: Set queue properties for: 9
> [ 203.882244] ath: Reset TX queue: 9
> [ 203.978048] ath: Enable TXE on queue: 9
> [ 204.903691] ath: ath9k_hw_stoptxdma: Num of pending TX Frames 1 on Q 9
> [ 204.914536] ath: Failed to stop TX DMA in 100 msec after killing last frame
> [ 204.933408] ath: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x42000020
> [ 204.941106] ath: Could not stop RX, we could be confusing the DMA engine when we start RX up
> [ 204.949576] ------------[ cut here ]------------
> [ 204.954249] WARNING: at drivers/net/wireless/ath/ath9k/recv.c:509 ath_stoprecv+0xb7/0xc9 [ath9k]()
Ok neat.. how soon after starting hostapd does this come up, immeidiately?
What version of hostapd?
Luis
next prev parent reply other threads:[~2011-02-25 17:12 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <201102230955.35674.bschmidt@techwires.net>
2011-02-23 17:46 ` [ath9k-devel] DMA issues with ar9280 cards Luis R. Rodriguez
2011-02-23 18:12 ` Adrian Chadd
2011-02-23 18:20 ` Adrian Chadd
2011-02-23 18:24 ` Jouni Malinen
2011-02-23 18:40 ` Adrian Chadd
2011-02-23 23:06 ` Jouni Malinen
2011-02-23 20:06 ` Bernhard Schmidt
2011-02-24 9:33 ` Bernhard Schmidt
2011-02-24 18:18 ` Luis R. Rodriguez
2011-02-25 9:37 ` Bernhard Schmidt
2011-02-25 17:12 ` Luis R. Rodriguez [this message]
2011-02-26 9:37 ` Bernhard Schmidt
2011-03-10 0:40 ` Felix Fietkau
2011-03-02 14:51 ` Mohammed Shafi
2011-03-04 11:29 ` Bernhard Schmidt
2011-03-04 15:25 ` Mohammed Shafi
2011-03-04 15:29 ` Mohammed Shafi
2011-03-04 17:16 ` Bernhard Schmidt
2011-03-09 9:58 ` Mohammed Shafi
2011-03-09 10:01 ` Mohammed Shafi
2011-03-05 23:49 ` crocket
2011-03-09 10:22 ` Peter Stuge
2011-02-23 15:34 Bernhard Schmidt
2011-02-23 16:22 ` Peter Stuge
2011-02-23 18:02 ` Luis R. Rodriguez
2011-02-23 19:51 ` Peter Stuge
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