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Date: Tue, 20 Dec 2005 01:47:52 +0100
From: Carsten Otto <c-otto@gmx.de>
To: Jesse Brandeburg <jesse.brandeburg@gmail.com>
Cc: linux-kernel@vger.kernel.org, NetDEV list <netdev@vger.kernel.org>
Subject: Re: Intel e1000 fails after RAM upgrade
Message-ID: <20051220004752.GA19114@carsten-otto.halifax.rwth-aachen.de>
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	linux-kernel@vger.kernel.org, NetDEV list <netdev@vger.kernel.org>
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On Mon, Dec 19, 2005 at 03:35:57PM -0800, Jesse Brandeburg wrote:
> >   TDH                  <2000>
> >   TDT                  <2000>
> >   next_to_use          <6>
> >   next_to_clean        <0>
> > buffer_info[next_to_clean]
> >   dma                  <13024c002>
> >   time_stamp           <ffffd8c7>
> >   next_to_watch        <0>
> >   jiffies              <ffffe096>
> >   next_to_watch.status <0>
>=20
> are you using 4096 tx descriptors?  what is your MTU configured to?=20
> I'm confused because it appears you have 8192 (0x2000) descriptors but
> the driver only allows 4096

I am not. My MTU is 1500. At the moment the error message is:

  TDH                  <0>
  TDT                  <3>
  next_to_use          <3>
  next_to_clean        <0>
buffer_info[next_to_clean]
  dma                  <128d61202>
  time_stamp           <100026052>
  next_to_watch        <0>
  jiffies              <10002667c>
  next_to_watch.status <0>

I can't reproduce the 2000 value.

PS: The problem does not occur with Knoppix 3.9.

Thanks for the help,
--=20
Carsten Otto
c-otto@gmx.de
www.c-otto.de

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