[LinuxBIOS] LB vs Factory BIOS -- more weirdness
eric at zyxod.com
Mon May 8 17:23:23 CEST 2006
I originally posted two serial captures from a "good" lb boot, and one
where it crashes. I hadn't realized it at the time, but the block of
hex numbers at the top of each is a dump of the northbridge
configuration space. They are identical. Going on the assumption that
if the PCI configurations are the same, then the chip must be configured
correctly, I must assume that the problem lies with the south bridge ...
Or am I way off?
Unfortunately, LB doesn't dump the south bridge to serial -- I'm working
on changing that =)
Richard Smith wrote:
>> suggested that there are chipset registers that are reset by the factory
>> BIOS that LB isn't (re)setting correctly, and that LB works well right
>> after using the factory BIOS because those registers hold their values
>> for a while.
> Do a 'lspci -xxx' diff on the north and southbridges beween factory
> and LB and investigate all the differences.
> Richard A. Smith
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