From: "Justin P. Mattock" <justinmattock@gmail.com>
To: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Cc: 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>,
Luis Rodriguez <Luis.Rodriguez@Atheros.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 14:28:52 -0700 [thread overview]
Message-ID: <4D7FDA14.7000904@gmail.com> (raw)
In-Reply-To: <20110315205946.GL11878@tux>
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
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> 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!
which I saw earlier today.. keep in mind I am at the book store so the
internet is constantly connecting/disconnecting
Justin P. Mattock
next prev parent reply other threads:[~2011-03-15 21:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AANLkTikaLb_xan2ePfo9JCZ1w7RZ76wF8NUT2tYr0ZD=@mail.gmail.com>
[not found] ` <alpine.DEB.2.00.1103051847100.8779@chino.kir.corp.google.com>
[not found] ` <4D770178.9070908@gmail.com>
[not found] ` <alpine.DEB.2.00.1103091254540.13353@chino.kir.corp.google.com>
[not found] ` <4D77EEB4.9090404@gmail.com>
2011-03-09 21:54 ` <IRQ> [<ffffffff810c9204>] ? __alloc_pages_nodemask+0x622/0x696 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 [this message]
2011-03-15 22:13 ` Luis R. Rodriguez
2011-03-15 23:56 ` Justin P. Mattock
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