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From: Andrew Morton <akpm@linux-foundation.org>
To: David Vrabel <david.vrabel@csr.com>
Cc: Kernel development list <linux-kernel@vger.kernel.org>,
	e1000-devel@lists.sourceforge.net, jeffrey.t.kirsher@intel.com
Subject: Re: e1000e: 2.6.27-rc1 corrupts EEPROM/NVM
Date: Mon, 18 Aug 2008 22:40:11 -0700	[thread overview]
Message-ID: <20080818224011.6fad74dc.akpm@linux-foundation.org> (raw)
In-Reply-To: <489C2457.5030104@csr.com>

On Fri, 08 Aug 2008 11:47:51 +0100 David Vrabel <david.vrabel@csr.com> wrote:

> 2.6.27-rc1 kernels appear to corrupt the EEPROM/NVM of the 8086:294c
> ethernet device (ICH9 I think).  After hacking the driver to ignore the
> bad CRC and MAC address I could view the EEPROM with ethtool and it was
> all 0xff.
> 
> Testing EEPROM reads and writes with ethtool appeared to work but after
> a reboot of the system the ethernet device (see lspci -v output) was no
> longer present.  Could invalid EEPROM contents with a valid CRC (as
> would be the case after my read/write tests) result in the device
> failing to enumerate on the PCIe bus?

Is this still happening in Linus's current tree?

Was 2.6.26 OK?

Thanks.

  reply	other threads:[~2008-08-19  5:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-08 10:47 e1000e: 2.6.27-rc1 corrupts EEPROM/NVM David Vrabel
2008-08-19  5:40 ` Andrew Morton [this message]
2008-08-19  9:50   ` David Vrabel
2008-08-19 10:02     ` Andrew Morton

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