Re: APIC/LAPIC hanging problems on nForce2 system.

[Prakash K. Cheemplavam]

Martin Drab schrieb:
> On Wed, 5 Jan 2005, Prakash K. Cheemplavam wrote:
>
>
> > Martin Drab schrieb:
> > Just to avoid confusion: If your bios does *not contain the fix, the
> > kernel should fix it and above line should appear. (It does here with
> > 2.6.10) So if it doesn't in your case (and your bios does not contain
> > that fix), the detection code probably isn't enough. -> This should be
> > fixed in kernel.
> >
> > When you use a fixed bios though, above line should not appear, and your
> > system should be stable.
>
>
> Is there some other way to get to know whether BIOS contains the fix
> allready?

lspci -xxx

then check

0000:00:00.0 Host bridge: nVidia Corporation nForce2 AGP (different
version?) (rev c1)
00: de 10 e0 01 06 00 b0 00 c1 00 00 06 00 00 80 00
10: 08 00 00 a0 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 7b 14 00 1c
30: 00 00 00 00 40 00 00 00 00 00 00 00 00 00 00 00
40: 02 60 30 00 1b 42 00 1f 02 03 00 00 ff ff ff ff
50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
60: 08 00 01 20 20 00 88 80 10 00 00 00 01 ff 01 9f <----
70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
80: 00 01 00 00 ff ff ff 3f 01 00 00 00 01 80 00 00
90: 14 80 40 a7 14 80 40 a5 00 30 00 00 00 00 00 00
a0: 40 00 00 00 32 fb 10 00 01 00 00 00 00 00 00 00
b0: cc ff 07 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 33 33 03 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: d6 01 47 00 16 30 00 10 00 00 00 00 00 00 00 00
f0: 0f 00 00 08 00 00 00 00 00 00 00 00 00 00 00 00


From fixup.c:
         * Chip  Old value   New value
         * C17   0x1F0FFF01  0x1F01FF01
         * C18D  0x9F0FFF01  0x9F01FF01

If there is old value, it needs to be fixed.

Prakash

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