From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
To: "Justin P. Mattock" <justinmattock@gmail.com>
Cc: Luis Rodriguez <Luis.Rodriguez@Atheros.com>,
Bob Copeland <me@bobcopeland.com>,
Christoph Lameter <cl@linux.com>,
David Rientjes <rientjes@google.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
Nick Piggin <npiggin@kernel.dk>,
Dave Chinner <dchinner@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Pekka Enberg <penberg@cs.helsinki.fi>,
Jiri Slaby <jirislaby@gmail.com>,
Nick Kossifidis <mickflemm@gmail.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Re: <IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696
Date: Tue, 15 Mar 2011 15:13:12 -0700 [thread overview]
Message-ID: <20110315221312.GR11878@tux> (raw)
In-Reply-To: <4D7FDA14.7000904@gmail.com>
On Tue, Mar 15, 2011 at 02:28:52PM -0700, Justin P. Mattock wrote:
> On 03/15/2011 01:59 PM, Luis R. Rodriguez wrote:
> > On Wed, Mar 09, 2011 at 04:05:02PM -0800, Bob Copeland wrote:
> >> On Wed, Mar 09, 2011 at 03:54:24PM -0600, Christoph Lameter wrote:
> >>> [ 7419.322770] wlan0: associated
> >>> [ 7427.161366] ath: Failed to stop TX DMA in 100 msec after killing last frame
> >>> [ 7427.161432] ath: Failed to stop TX DMA!
> >>> [ 7434.492398] ath: Failed to stop TX DMA in 100 msec after killing last frame
> >>> [ 7434.492462] ath: Failed to stop TX DMA!
> >>> [ 7603.339047]
> >>> =============================================================================
> >>> [ 7603.339053] BUG radix_tree_node: Padding overwritten. 0xffff88000008fe00-0xffff88000008fe32
> >>
> >>> Could the ath driver corrupt memory if the TX DMA cannot be stopped?
> >
> > Yes, this is why we have had a series of patches to address this upstream,
> > the latest one was for RX DMA failing to stop but Felix found a fix for that.
> > Apart from that I am not aware of more issues. Can you please try with
> > wireless-testing.git ?
> >
> > Luis
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
> >
> sure..
>
> as for seeing this issue. nothing really now on the current. only
> message I see is:
>
> [ 69.551295] ath: Failed to stop TX DMA in 100 msec after killing last
> frame
> [ 69.551336] ath: Failed to stop TX DMA!
Can you easily reproduce?
Luis
next prev parent reply other threads:[~2011-03-15 22:13 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-05 8:25 <IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696 Justin Mattock
2011-03-06 2:50 ` David Rientjes
2011-03-06 3:20 ` Justin P. Mattock
2011-03-09 4:26 ` Justin P. Mattock
2011-03-09 20:57 ` David Rientjes
2011-03-09 21:18 ` Justin P. Mattock
2011-03-09 21:54 ` Christoph Lameter
2011-03-10 0:05 ` Bob Copeland
2011-03-15 20:59 ` Luis R. Rodriguez
2011-03-15 21:28 ` Justin P. Mattock
2011-03-15 22:13 ` Luis R. Rodriguez [this message]
2011-03-15 23:56 ` Justin P. Mattock
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