Re: Next round of console patches

Tom Eastep (tom.eastep@compaq.com)
Sat, 29 Aug 1998 15:39:46 -0700

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>Gerd Knorr writes:
>> [ lockup with vesafb + mtrr + Millennium 2MB ]
>>
>> > vesafb: framebuffer at 0xa0800000, mapped to 0xc8800000, size 2048k
>>
>> Ok, size is correct. Base address probably too, otherwise you
>> would'nt see anything...
>>
>> Richard, any idea what is wrong there? vesafb will try to create a
>> mtrr entry for the framebuffer: base=0xa0800000, 2 MB size. This
>> locks the machine (which can be "fixed" by disabling mtrr in .config).
>
>Sorry, I haven't been following this thread. At what point does the
>machine lock up? Is it as soon as the MTRR region is setup, or later
>(such as when you do graphics operations or change video modes)?
>

It appears that the lockup occurs when the video mode is changed during
bootup).

-Tom

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