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Date: Tue, 3 Mar 2009 20:03:52 +0000
From: Sitsofe Wheeler <sitsofe@...oo.com>
To: Bob Copeland <me@...copeland.com>
Cc: Jiri Slaby <jirislaby@...il.com>,
Nick Kossifidis <mickflemm@...il.com>,
Frederic Weisbecker <fweisbec@...il.com>,
linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
ath5k-devel@...ema.h4ckr.net,
"Luis R. Rodriguez" <lrodriguez@...eros.com>
Subject: Re: [TIP] BUG kmalloc-4096: Poison overwritten (ath5k_rx_skb_alloc)
On Mon, Mar 02, 2009 at 11:12:22PM -0500, Bob Copeland wrote:
> On Thu, Feb 26, 2009 at 05:03:39PM +0000, Sitsofe Wheeler wrote:
> >
> > Note that I was able to reproduce it again : )
>
> By the way, here's the theoretical race I was alluding to. ath5k_reset
> happens pretty frequently when scanning, and it's possible that the rx
> tasklet is run on another cpu after interrupts are turned off, but
The machine where this fault happened is a single core non-symmetric
multithreading EeePC 900 with a Celeron M 900 using a voluntary preempt
kernel (so I doubt this is due to tasklets being run on another CPU)...
I am a bit unsure which patches you want me to be testing though...
--
Sitsofe | http://sucs.org/~sits/
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