Re: enable ECC in OS code?

2009-08-27 Thread Erich Dollansky
Hi, On 27 August 2009 am 06:53:36 Steve Watt wrote: In 4a954a35.4030...@icyb.net.ua, a...@icyb.net.ua wrote: Assuming that ECC data lanes are connected between the two on motherboard, and given that BIOS doesn't perform any ECC setup (nor there is any option to control that) - would it be

Re: enable ECC in OS code?

2009-08-27 Thread Joerg Sonnenberger
On Thu, Aug 27, 2009 at 11:30:15AM +0800, Erich Dollansky wrote: how should it be done at OS level at all when the OS is loaded into RAM? Copy the kernel to the video RAM, jump to it, enable ECC, copy back. Joerg ___ freebsd-hackers@freebsd.org

Re: enable ECC in OS code?

2009-08-27 Thread Dag-Erling Smørgrav
Joerg Sonnenberger jo...@britannica.bec.de writes: Erich Dollansky er...@apsara.com.sg writes: how should it be done at OS level at all when the OS is loaded into RAM? Copy the kernel to the video RAM, jump to it, enable ECC, copy back. Not just the kernel - you have to copy all the memory

Re: enable ECC in OS code?

2009-08-27 Thread Steve Watt
In 200908271130.18073.er...@apsara.com.sg, er...@apsara.com.sg wrote: Hi, On 27 August 2009 am 06:53:36 Steve Watt wrote: In 4a954a35.4030...@icyb.net.ua, a...@icyb.net.ua wrote: Assuming that ECC data lanes are connected between the two on motherboard, and given that BIOS doesn't perform any

enable ECC in OS code?

2009-08-26 Thread Andriy Gapon
Here is a question that I am afraid I know an answer for. I have some ECC capable hardware: 1) Athlon II with embedded memory controller that can do ECC 2) DRAM modules with ECC Assuming that ECC data lanes are connected between the two on motherboard, and given that BIOS doesn't perform any ECC

Re: enable ECC in OS code?

2009-08-26 Thread Steve Watt
In 4a954a35.4030...@icyb.net.ua, a...@icyb.net.ua wrote: Here is a question that I am afraid I know an answer for. I have some ECC capable hardware: 1) Athlon II with embedded memory controller that can do ECC 2) DRAM modules with ECC Assuming that ECC data lanes are connected between the two on