答复: 答复: Cache On and ECC clear
YhLu at tyan.com
Mon Mar 29 23:48:00 CEST 2004
It seems it's all right in mtrr setting. Except 0x201 and 0x203 setting in
earlymtrr.inc should set 0xff for msr.hi intead of 0xf
Before mtrr processing for clearing
after mtrr processing for clearing,
发件人: ebiederman at lnxi.com [mailto:ebiederman at lnxi.com]
发送时间: 2004年3月29日 17:18
抄送: ron minnich; Li-Ta Lo; LinuxBIOS
主题: Re: 答复: Cache On and ECC clear
YhLu <YhLu at tyan.com> writes:
> I verified the exchange the cpufixup after the cache_on...mtrr_check in
> c for S2882.
> Found one interesting thing
> 1. In fallback mode, it does not pause after "Clearing LinuxBIOS memory "
> and "Copying LinuxBIOS to ram".
> 2. In normal node, it does pause after the "Clearing" and "Copying" ( 5s
> What could cause that?
So we are talking about quantities all within the first 1MB of ram...
This sounds like something is goofy with the mtrrs. At least that
is the usual suspect when something is running slowly.
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