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DateWed, 16 Jun 2004 10:06:14 +0100
FromMatthew Denner <>
SubjectRe: 45 minute boot time with 2.6.4/2.6.6-mm5 kernel on 1.7GHz laptop
Mikael Pettersson wrote:
> And here we see a, possibly the, problem.
> The BIOS gives us usable memory up to 0x3f7cffff, but the
> corresponding MTTR stops short at 0x3effffff, which leaves
> the 8MB in [0x3f000000,0x3f7cffff] usable but uncached.
> 
> Any access to that range will be sloooow.
> 
> This is unfortunately not an uncommon BIOS error. You may want to
> check for BIOS updates, or file a bug report with the HW vendor.
> 
> Booting with "mem=1008M" appended to the kernel's options
> should fix the performance issue.

Mikael, thanks for all your help, this fixed the problem for me.  It now 
boots in less than a minute.

Matt
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