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RE: 5000/150 problem ...

To: Michael Engel <engel@math.uni-siegen.de>
Subject: RE: 5000/150 problem ...
From: Harald Koerfgen <Harald.Koerfgen@home.ivm.de>
Date: Sat, 29 May 1999 12:44:56 +0200 (MEST)
Cc: linux-mips@fnet.fr
In-reply-to: <199905282331.BAA07210@fourier.numerik.math.uni-siegen.de>
Organization: none
Reply-to: "Harald Koerfgen" <Harald.Koerfgen@home.ivm.de>
Sender: harry@franz.no.dom
Hello,

On 28-May-99 Michael Engel wrote:
> Whats that patch exactly ?

An additional call to rex_clear_cache() in prom_init().

> Hmmm, funny. I can't get my 5000/150 to work correctly with any kernel I
> tried. It always hangs after the "This is a DECstation 5000/1xx"
> message.
> I configured the kernel for R4000, of course (and the -N also isn't the
> problem). Perhaps also a buggy PROM version? Which version do you have
> in your 5000/150 ? The 5000/150 I have seems to hang just before calling
>       jal loadmmu
> or on return from the preceding instruction
>       jal prom_init
> in arch/mips/kernel/head.S as the last instruction in prom_init is 
> definitely executed (I inserted a prom_printf there) and the next one in
> loadmmu (hacked another prom_printf in there) isn't - maybe a stack
> problem ?

Michael, is that with or without r2300_patch?

If your source tree is without that patch, please apply it and tell me
what happens. There is a small difference in stack initialisation between
the two.

---
Regards,
Harald

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