Re: [XenPPC] [xenppc-unstable] [ppc] some OF implementations do not take kindly to closing console ihandles.

[Hollis Blanchard <hollisb@xxxxxxxxxx>]

On Thu, 2006-06-08 at 19:02 -0400, Jimi Xenidis wrote:
> On Jun 8, 2006, at 6:30 PM, Hollis Blanchard wrote:
> 
> > On Thu, 2006-06-08 at 22:10 +0000, Xen patchbot-xenppc-unstable wrote:
> >>
> >> [ppc] some OF implementations do not take kindly to closing  
> >> console ihandles.
> >
> > Not closing stdin/stdout has caused real bugs with Linux on pSeries.
> I thought that was a pmac problem, but I see from linux that it is  
> indeed a pSeries problem
> 
> > Not closing stdin/stdout has caused real bugs with Linux on pSeries.
> > After much hair loss, it was discovered that a USB controller was  
> > DMAing
> > over kernel memory in very very early boot, which doesn't sound like a
> > problem I'd like to debug, so I don't like this patch.
> >
> > Can we create a platform blacklist for this logic?
> 
> We don't have a concept of platform yet, so we are just maple and  
> JS2x and this patch is sufficient, and tested.
> prom_init.c suggests that it is safe to always close stdin for these  
> platforms so I'll put the close back in.
> agreed?

Maria, is that ok with you?

-- 
Hollis Blanchard
IBM Linux Technology Center


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