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From: Lennert Buytenhek <buytenh@gnu.org>
To: "Feldman, Scott" <scott.feldman@intel.com>
Cc: Jeff Garzik <jgarzik@pobox.com>, linux-kernel@vger.kernel.org
Subject: Re: [2.6.0-mm2] e100 driver hangs after period of moderate receive load
Date: Sat, 10 Jan 2004 10:51:50 -0500	[thread overview]
Message-ID: <20040110155150.GC23063@gnu.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0401091715010.3118-100000@localhost.localdomain>

On Fri, Jan 09, 2004 at 05:17:40PM -0800, Feldman, Scott wrote:

> > > Is NAPI enabled for this driver?? The interrupt behavior seems normal
> > > for NAPI, but certainly the rest of the behavior does not...
> > 
> > Yes, NAPI was indeed enabled.
> > 
> > I 'went back' to 2.6.1-rc1 and that seems fine now.? Any patches you want
> > me to try on top of 2.6.0-mm2?
> 
> Lennert, would you mind trying this patch to verify that problem is fixed?
> 
> The driver was indicating skbs to the stack before h/w was done with the 
> DMA.  Not good.  That's what causes the corruption.  The stack free's the 
> skb, and then h/w writes to it's data area.

AFAICS, didn't help, I still get the slab corruption.  Anything else you
want me to try?  Do you want me to send the klogd output I get now?


--L

  reply	other threads:[~2004-01-10 15:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <C6F5CF431189FA4CBAEC9E7DD5441E01034D50AD@orsmsx402.jf.intel.com>
2004-01-10  1:17 ` [2.6.0-mm2] e100 driver hangs after period of moderate receive load Feldman, Scott
2004-01-10 15:51   ` Lennert Buytenhek [this message]
2004-01-05  0:25 Feldman, Scott
  -- strict thread matches above, loose matches on Subject: below --
2003-12-31 11:02 Lennert Buytenhek
2003-12-31 12:11 ` Jeff Garzik
2003-12-31 12:21   ` Lennert Buytenhek
2003-12-31 12:34     ` Jeff Garzik
2004-01-01  2:21       ` Thomas Molina
2004-01-01 10:27         ` Lennert Buytenhek
2004-01-10 15:49       ` Lennert Buytenhek

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