Problem serial.c on module

[Tom Rini]

On Fri, Sep 28, 2001 at 11:26:20AM -0700, David A. Gatwood wrote:
> On Friday, September 28, 2001, at 11:05 AM, Tom Rini wrote:
>
> >On Fri, Sep 28, 2001 at 10:41:23AM -0700, David A. Gatwood wrote:
> >>On Friday, September 28, 2001, at 08:15 AM, Tom Rini wrote:
> >>
> >>>On Fri, Sep 28, 2001 at 02:33:01PM +0900, KOBAYASHI R. Taizo wrote:
> >>>
> >>>>I examined this problem and had a question.
> >>>>Dose it need following branch?
> >>>>================L5375==
> >>>>#ifdef CONFIG_ALL_PPC
> >>>>       /* early PowerMacs would machine check */
> >>>>       if (_machine == _MACH_Pmac) {
> >>>>               printk(KERN_INFO "serial.c: nothing to do on
> >>>>PowerMacs.\n");
> >>>>               return 0;
> >>>>       }
> >>>>#endif
> >>>>=======================
> >>>
> >>>Some older machines apparently do.  The current 'workaround' in 2_4 is
> >>>#if defined(CONFIG_ALL_PPC) && !defined(MODULE).
> >>
> >>That's disgusting.  This should be doing the Linux equivalent of setjmp
> >>and trapping the machine check and returning 0.  Hardware probes
> >>shouldn't need hacks like this.  Just my $0.02.
> >
> >Thats what should be happening.  But apparently it still doesn't on a
> >few
> >older machines.   Or it didn't the last time I got an answer out of
> >Olaf at SuSE.
>
> Sounds like a lowmem_vectors problem or similar.  What machine and
> processor?

I think it was a 7x00 with a 601.  But I'm not sure.  Olaf?  Is this a problem
still even?

--
Tom Rini (TR1265)
http://gate.crashing.org/~trini/

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