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SubjectRe: Linux 2.4.19-pre3
From
Date
>>>>> " " == Gerd Knorr <kraxel@bytesex.org> writes:

>> Here goes -pre3, with the new IDE code. It has been stable
>> enough time in the -ac tree, in my and Alan's opinion.

> Doesn't boot my machine. "Intel machine check architecture
> supported" is the last message printed before it just hangs.

Ditto on my laptop. I've tracked it down to a change in the file
arch/i386/kernel/bluesmoke.c between pre2 and pre3. My guess is that

- Fix off-by-one error in bluesmoke (Dave Jones)

is wrong for some reason. Backing out that change using the appended
patch causes pre3 to boot normally.

Cheers,
Trond

--- linux-2.4.19-up/arch/i386/kernel/bluesmoke.c.orig Tue Mar 12 14:56:56 2002
+++ linux-2.4.19-up/arch/i386/kernel/bluesmoke.c Tue Mar 12 18:07:44 2002
@@ -169,7 +169,7 @@
if(l&(1<<8))
wrmsr(MSR_IA32_MCG_CTL, 0xffffffff, 0xffffffff);
banks = l&0xff;
- for(i=0;i<banks;i++)
+ for(i=1;i<banks;i++)
{
wrmsr(MSR_IA32_MC0_CTL+4*i, 0xffffffff, 0xffffffff);
}
-
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