From: Johannes Stezenbach <js@sig21.net>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] ath9k: DMA failed to stop in 10 ms
Date: Thu, 12 Nov 2009 20:54:37 +0100 [thread overview]
Message-ID: <20091112195437.GA11611@sig21.net> (raw)
In-Reply-To: <43e72e890911121014r13705ac0of8db341749bca528@mail.gmail.com>
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 <mcgrof@gmail.com> wrote:
> > On Thu, Nov 12, 2009 at 10:10 AM, Johannes Stezenbach <js@sig21.net> wrote:
> >> On Thu, Nov 12, 2009 at 04:26:00PM +0100, Johannes Stezenbach wrote:
> >>>
> >>> 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
> >>
> >> Update: It seems that this is only happening when kismet is hopping
> >> channels. ?So it looks like an unclean shutdown of the receive
> >> process and not a real problem -- except that the log flooding is
> >> pretty annoying.
> >
> > Can you try disabling powersave before using monitor mode?
> >
> > sudo iwconfig wlan0 power off
>
> That is, we shoudn't be sleeping during monitor mode. Curious if
> somehow we are getting to that state.
"iwconfig wlan0 power off" doesn't make a difference.
Johannes
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Stezenbach <js@sig21.net>
To: "Luis R. Rodriguez" <mcgrof@gmail.com>
Cc: linux-wireless@vger.kernel.org, ath9k-devel@lists.ath9k.org
Subject: Re: ath9k: DMA failed to stop in 10 ms
Date: Thu, 12 Nov 2009 20:54:37 +0100 [thread overview]
Message-ID: <20091112195437.GA11611@sig21.net> (raw)
In-Reply-To: <43e72e890911121014r13705ac0of8db341749bca528@mail.gmail.com>
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 <mcgrof@gmail.com> wrote:
> > On Thu, Nov 12, 2009 at 10:10 AM, Johannes Stezenbach <js@sig21.net> wrote:
> >> On Thu, Nov 12, 2009 at 04:26:00PM +0100, Johannes Stezenbach wrote:
> >>>
> >>> 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
> >>
> >> Update: It seems that this is only happening when kismet is hopping
> >> channels. So it looks like an unclean shutdown of the receive
> >> process and not a real problem -- except that the log flooding is
> >> pretty annoying.
> >
> > Can you try disabling powersave before using monitor mode?
> >
> > sudo iwconfig wlan0 power off
>
> That is, we shoudn't be sleeping during monitor mode. Curious if
> somehow we are getting to that state.
"iwconfig wlan0 power off" doesn't make a difference.
Johannes
next prev parent reply other threads:[~2009-11-12 19:54 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-12 15:26 [ath9k-devel] ath9k: DMA failed to stop in 10 ms Johannes Stezenbach
2009-11-12 15:26 ` Johannes Stezenbach
2009-11-12 18:10 ` [ath9k-devel] " Johannes Stezenbach
2009-11-12 18:10 ` Johannes Stezenbach
2009-11-12 18:13 ` [ath9k-devel] " Luis R. Rodriguez
2009-11-12 18:13 ` Luis R. Rodriguez
2009-11-12 18:14 ` [ath9k-devel] " Luis R. Rodriguez
2009-11-12 18:14 ` Luis R. Rodriguez
2009-11-12 19:54 ` Johannes Stezenbach [this message]
2009-11-12 19:54 ` Johannes Stezenbach
2009-11-13 16:22 ` [ath9k-devel] " Neil Wilson
2009-11-13 17:35 ` Luis R. Rodriguez
2009-11-14 15:41 ` Neil Wilson
2009-11-14 17:42 ` Luis R. Rodriguez
2009-11-14 17:55 ` Luis R. Rodriguez
2009-11-16 16:39 ` Johannes Stezenbach
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