[LinuxBIOS] Disabled device help

Lu, Yinghai yinghai.lu at amd.com
Fri Nov 3 23:25:21 CET 2006

Your device need 256G pref mem?


-----Original Message-----
From: linuxbios-bounces at linuxbios.org
[mailto:linuxbios-bounces at linuxbios.org] On Behalf Of Myles Watson
Sent: Friday, November 03, 2006 12:42 PM
To: 'ron minnich'
Cc: 'LinuxBIOS'
Subject: Re: [LinuxBIOS] Disabled device help

>>My large device gets disabled somewhere in LinuxBIOS or the kernel.
>>is the encouraging line from LinuxBIOS telling me that the registers
>>indeed set correctly.

>>PCI: 05:01.0 18 <- [8000000000 - bfffffffff] prefmem64 

>>Unfortunately, Linux sees something different and fails to allocate
>>region because it sees it at 00000080-000000bf and that conflicts with
>>other things.

>>Does anyone have a pointer to where I should look for this problem?
>>anyone else had problems with devices larger than 4GB?

>you may be the first lucky person to do this. 

>I assume this is an opteron in 64-bit mode?

That's correct.


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