RE: [suse-sparc] 2.4.X /32bit

rolf@diesing.net
Date: Wed Apr 03 2002 - 01:53:59 PST

  • Next message: Thomas Schmid: "[suse-sparc] Antwort: [suse-sparc] 2.4.X /32bit" 

    From: <rolf@diesing.net>
Date: Wed, 3 Apr 2002 11:53:59 +0200
Message-ID: <BCEMLCNMANGFBIDLIOAJEEFMCBAA.rolf@diesing.net>
Subject: RE: [suse-sparc] 2.4.X /32bit

    Hi Hans,
    if you do a look inside the Machine dependend Include Files in arch/sparc,
    (imho mostly in mm.h) you will see massive Assembly code in different
    Versions written
    for sun4m and sun4c and for serval cpu's and Memory Management Units in all
    Kernel Versions.
    There are big differences in handling Stackpointers, SMP, Caches, Jumps,
    CPU-Bugs and so on.
    Imho, it takes a big part of luck, to get the Code running. May be your ss20
    is one of the
    lucky Boxes, may be your ss4 or LX are not. Imho there are many small Bugs
    in Sparc Code
    including the Bugs from gcc codegeneration an not one easy hunting big Bug.
    I think we need help from the Sun-Guys but they are not interested in fixing
    or supporting
    the obsolete Hardware like sun4c or sun4m.

    Best Regards
    Rolf Diesing 

    --
[EOF]

    > -----Original Message-----
> From: Witvliet, Hans [mailto:Hans.Witvliet@Alcatel.nl]
> Sent: Wednesday, April 03, 2002 11:01 AM
> To: suse-sparc@suse.com
> Subject: [suse-sparc] 2.4.X /32bit
>
>
>
> Hi all,
>
> Here, at work, I got a SS20 on my desktop running 2.4.17 nicely, and is
> currently doing SMP for 11 days without a hitch.
> So I got the impresion that most of the 32-bits trouble were over.
>
> Therefor I decided to upgrade my machines at home (SS4, LX)
> Installation of 7.3 with just some minor problems (did not recognized cd 2
> and cd3, but manual rpm solved that)
> Building of 2.4.17 kernel took long, but finished without any error. BUT,
>
> After silo addaption and reboot it completely fails to boot the
> 2.4 kernel.
> After the silo prompt, it starts for a moment, but performs immediately a
> auto-reboot.
> So nothing is written is any log, can't hit the magic-key and
> can't perform
> a traceback/register-dump from the openboot-prompt.
>
> I noticed that there are some minor hardware differences within the SUN4m
> family (microsparc / hypersparc)
> but never thought it had any impect on the kernel.
>
> So finally my Question:
> ==>  is there anybody with a running 2.4.x kernel on a ss4,ss5 or ss-lx ?
> <==
>
> Hans
>
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