Date: Thu, 15 Mar 2007 20:56:57 +0800 From: "Rong-en Fan" <grafan@gmail.com> To: "Jack Vogel" <jfvogel@gmail.com> Cc: Bill Paul <wpaul@freebsd.org>, jon.otterholm@ide.resurscentrum.se, Gleb Smirnoff <glebius@freebsd.org>, freebsd-stable@freebsd.org, freebsd-current@freebsd.org Subject: Re: Lenovo X60 em workaround Message-ID: <6eb82e0703150556u39ee7769s29fa73cbbbc25811@mail.gmail.com> In-Reply-To: <2a41acea0701221030x52dd8821pd858ae7e6740ce92@mail.gmail.com> References: <2a41acea0701171258k16b4c6ebuf1d4794b89d0749b@mail.gmail.com> <20070120065321.DB61216A405@hub.freebsd.org> <2a41acea0701201435g6f960b40r3cf0552d87ab2bfd@mail.gmail.com> <20070122083506.GW4485@FreeBSD.org> <2a41acea0701221030x52dd8821pd858ae7e6740ce92@mail.gmail.com>
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On 1/23/07, Jack Vogel <jfvogel@gmail.com> wrote:
>
> Hey Gleb,
>
> Acknowledge... I can do better than that, I have a fix for this problem, and
> its not temporary. Here is the code change (not a patch, I'm very busy),
> its in hardware_init, should be obvious how to patch:
>
> /* Make sure we have a good EEPROM before we read from it */
> if (e1000_validate_nvm_checksum(&adapter->hw) < 0) {
> /*
> ** Some PCI-E parts fail the first check due to
> ** the link being in sleep state, call it again,
> ** if it fails a second time its a real issue.
> */
> if (e1000_validate_nvm_checksum(&adapter->hw) < 0) {
> device_printf(dev,
> "The EEPROM Checksum Is Not Valid\n");
> return (EIO);
> }
> }
>
> This is already checked into my code base at Intel, I've just been too
> busy to do anything with it, be my guest if you wish to check it in after
> testing...
I accidentally found this :
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=lenovo&lndocid=MIGR-67166
which patches the eeprom. And it solves by problem.
Regards,
Rong-En Fan
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