Re: IBM T42 em0 EEPROM Checksum not valid

On 13 Jul 2004 at 11:32, Eric van Gyzen wrote:

> I'm trying to install 5.2.1-RELEASE on my new IBM ThinkPad T42.  The em(4) 
> driver complains:
> 
>    em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.19> ...
>    em0: The EEPROM Checksum Is Not Valid
>    em0: Unable to initialize the hardware
>    device_probe_and_attach: em0 attach returned 5
> 
> I can configure an IP address on the interface, but (of course) it doesn't 
> actually send/receive traffic.  The link keeps bouncing up and down.  I've 
> seen "em0: watchdog timeout -- resetting" a few times.  pciconf(8) says:
> 
>    em0@pci2:1:0: class=0x020000 card=0x05491014 chip=0x101e8086
>      rev=0x03 hdr=0x00
> 
> Any ideas?  Thanks!

Did you google?  ;)

At boot time, this problem is avoided with the following entry in 
/boot/loader.conf

hw.pci.allow_unsupported_io_range="1"
-- 
Dan Langille : http://www.langille.org/

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