Re: 2.6.38.3 and 2.6.39-rc4 hangs after "Booting the kernel" onquad Pentium Pro system

From: Alan Cox
Date: Sat Apr 23 2011 - 05:35:15 EST


On Sat, 23 Apr 2011 10:16:18 +1000
Chris Samuel <chris@xxxxxxxxxxx> wrote:

> Syt mae Alan! ;-)

G'day ;)

> Ahh, that's a new one on me, and it reveals that the kernel
> has gone from 2.6.18 detecting:
>
> 256MB LOWMEM available.
>
> to 2.6.39-rc4 detecting:
>
> 16MB LOWMEM available.
>
> That would explain an awful lot..

Could be something has disturbed its memory detect or could be a bug in
the PPro memory quirk.

If you boot with mem= and force the memory size what happens ?

> INT 15h = f000:f859 DOS RAM: 638K (0x9f800) INT 12h: 638K (0x9f800)
> INT 15 88: 0x3c00 (15360K) INT 15 E801: 0x0000 (0K) 0x0000 (0K)

Ah.. do you have a BIOS setting called something like OS/2 compatibility ?

> Hope life is still good in Abertawe!

This part of the world has changed rather a lot. Not sure you'd recognize
half of it.

Alan
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