linux-kernel - Re: ath5k misbehaving affecting other kernel parts unrelated?

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Message-Id: <201004271204.30068.pedrogfrancisco@gmail.com>
Date:	Tue, 27 Apr 2010 12:04:29 +0100
From:	Pedro Francisco <pedrogfrancisco@...il.com>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	me@...copeland.com, Vegard Nossum <vegard.nossum@...il.com>,
	"John W. Linville" <linville@...driver.com>,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
	mickflemm@...il.com
Subject: Re: ath5k misbehaving affecting other kernel parts unrelated?

A Domingo, 25 de Abril de 2010 22:24:04 Pedro Francisco escreveu:
> A Domingo, 25 de Abril de 2010 21:29:45 Jiri Slaby escreveu:
> > On 04/25/2010 09:22 PM, me@...copeland.com wrote:
> > > On Sat, Apr 24, 2010 at 06:28:36PM +0100, Pedro Francisco wrote:
> > >> ======================================================================
> > >> == ===== [ 2658.663424] BUG kmalloc-4096: Poison overwritten
> > >> [ 2658.663483]
> > > 
> > > Ok there are 4 messages here, two of them are definitely 802.11
> > > beacons, which would point the finger squarely at ath5k.  We had
> > > reports of this some time ago but a few things got rewritten around
> > > that time.  I'd guess the rx DMA code is still subtly broken.
> > > 
> > >> 6b 6b kkkkkkkkkkkkkkkk
> > >> [ 2658.664816]   Object 0xed3db0c0:  c4 00 84 00 00 22 43 89 42 69 4e
> > >> 12 ca 6f 6f 6f �...."C.BiN.�ooo
> > >> [ 4689.945547]   Object 0xed3d9080:  c4 00 70 00 00 22 43 89 42 69 fe
> > >> 08 eb 14 14 14 �.p.."C.Bi�.�...
> > > 
> > > Offhand, I'm not sure what pattern these are.
> > 
> > These are CTS frames. So I think ath5k is to blame too :/.
> > 
> > regards,
> 
> Do note that's on a 2.6.32 kernel. I've however a new dmesg/syslog which on
> a 2.6.34-rc5-daily has the same kind of issues. It's 400kB in size..... Do
> you want me to send it to the mailing list?
> 
> Or should I open a bug report on the kernel bugzilla and post them there?
> Or do both?

Now live on... https://bugzilla.kernel.org/show_bug.cgi?id=15861

-- 
Pedro
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