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Re: gcc -3.4.4 and linux-2.4.32

To: Geert Uytterhoeven <geert@linux-m68k.org>
Subject: Re: gcc -3.4.4 and linux-2.4.32
From: "P. Christeas" <p_christ@hol.gr>
Date: Thu, 19 Jan 2006 12:30:57 +0200
Cc: David Daney <ddaney@avtrex.com>, Kishore K <hellokishore@gmail.com>, Linux/MIPS Development <linux-mips@linux-mips.org>
In-reply-to: <Pine.LNX.4.62.0601191100001.21230@pademelon.sonytel.be>
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References: <f07e6e0601160423h5ce1c0d7lcb7e38f8509c4116@mail.gmail.com> <200601190035.19022.p_christ@hol.gr> <Pine.LNX.4.62.0601191100001.21230@pademelon.sonytel.be>
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On Thursday 19 January 2006 12:00 pm, Geert Uytterhoeven wrote:
> On Thu, 19 Jan 2006, P. Christeas wrote:
> > Just to let you know:
> > In a very interesting twist, gcc4.0.2 produces a faulty kernel with the
> > 2.4.31 kernel (as the latter is provided from the hardware's
> > manufacturer). I'm validating gcc and binutils at the moment.
>
> That's why 2 days ago this one went in in 2.4.x:
> | [PATCH] document that gcc 4 is not supported
> |
> | gcc 4 is not supported for compiling kernel 2.4, and I don't see any
> | compelling reason why kernel 2.4 should ever be adapted to gcc 4.

Which comes round to the main reason I'm doing this work (port the platform to 
2.6): if we are not using the *latest* kernel with the *latest* build/user 
tools, then we cannot share our work. Patches to an old kernel/gcc may 
probably get discarded when moving to the next version.

Nevertheless, I think my problem has been the binutils. After switching to 
version 2.16.1, the oops probability (per reset) dropped from 80% to <20% and 
the oops is less random. (that is, there is also one, real, bug)

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